From ef3b816729dbf4b8fd783a6905b5dbd55c47a593 Mon Sep 17 00:00:00 2001 From: Paul Lecuq Date: Sat, 26 Dec 2020 17:31:13 +0100 Subject: [PATCH] updated ci related workflow --- ci-build.sh | 4 + cmd/qrz/qrz.go | 1 + go.mod | 3 +- go.sum | 153 ++ .../inconshreveable/mousetrap/LICENSE | 13 + .../inconshreveable/mousetrap/README.md | 23 + .../inconshreveable/mousetrap/trap_others.go | 15 + .../inconshreveable/mousetrap/trap_windows.go | 98 + .../mousetrap/trap_windows_1.4.go | 46 + vendor/github.com/spf13/cobra/.gitignore | 39 + vendor/github.com/spf13/cobra/.mailmap | 3 + vendor/github.com/spf13/cobra/.travis.yml | 29 + vendor/github.com/spf13/cobra/CHANGELOG.md | 22 + vendor/github.com/spf13/cobra/CONTRIBUTING.md | 50 + vendor/github.com/spf13/cobra/LICENSE.txt | 174 ++ vendor/github.com/spf13/cobra/Makefile | 36 + vendor/github.com/spf13/cobra/README.md | 766 ++++++++ vendor/github.com/spf13/cobra/args.go | 109 ++ .../spf13/cobra/bash_completions.go | 678 +++++++ .../spf13/cobra/bash_completions.md | 91 + vendor/github.com/spf13/cobra/cobra.go | 207 ++ vendor/github.com/spf13/cobra/command.go | 1664 +++++++++++++++++ .../github.com/spf13/cobra/command_notwin.go | 5 + vendor/github.com/spf13/cobra/command_win.go | 26 + .../spf13/cobra/custom_completions.go | 557 ++++++ .../spf13/cobra/fish_completions.go | 207 ++ .../spf13/cobra/fish_completions.md | 4 + vendor/github.com/spf13/cobra/go.mod | 12 + vendor/github.com/spf13/cobra/go.sum | 313 ++++ .../spf13/cobra/powershell_completions.go | 100 + .../spf13/cobra/powershell_completions.md | 16 + .../spf13/cobra/projects_using_cobra.md | 35 + .../spf13/cobra/shell_completions.go | 84 + .../spf13/cobra/shell_completions.md | 434 +++++ .../github.com/spf13/cobra/zsh_completions.go | 240 +++ .../github.com/spf13/cobra/zsh_completions.md | 48 + vendor/github.com/spf13/pflag/.gitignore | 2 + vendor/github.com/spf13/pflag/.travis.yml | 22 + vendor/github.com/spf13/pflag/LICENSE | 28 + vendor/github.com/spf13/pflag/README.md | 296 +++ vendor/github.com/spf13/pflag/bool.go | 94 + vendor/github.com/spf13/pflag/bool_slice.go | 185 ++ vendor/github.com/spf13/pflag/bytes.go | 209 +++ vendor/github.com/spf13/pflag/count.go | 96 + vendor/github.com/spf13/pflag/duration.go | 86 + .../github.com/spf13/pflag/duration_slice.go | 166 ++ vendor/github.com/spf13/pflag/flag.go | 1239 ++++++++++++ vendor/github.com/spf13/pflag/float32.go | 88 + .../github.com/spf13/pflag/float32_slice.go | 174 ++ vendor/github.com/spf13/pflag/float64.go | 84 + .../github.com/spf13/pflag/float64_slice.go | 166 ++ vendor/github.com/spf13/pflag/go.mod | 3 + vendor/github.com/spf13/pflag/go.sum | 0 vendor/github.com/spf13/pflag/golangflag.go | 105 ++ vendor/github.com/spf13/pflag/int.go | 84 + vendor/github.com/spf13/pflag/int16.go | 88 + vendor/github.com/spf13/pflag/int32.go | 88 + vendor/github.com/spf13/pflag/int32_slice.go | 174 ++ vendor/github.com/spf13/pflag/int64.go | 84 + vendor/github.com/spf13/pflag/int64_slice.go | 166 ++ vendor/github.com/spf13/pflag/int8.go | 88 + vendor/github.com/spf13/pflag/int_slice.go | 158 ++ vendor/github.com/spf13/pflag/ip.go | 94 + vendor/github.com/spf13/pflag/ip_slice.go | 186 ++ vendor/github.com/spf13/pflag/ipmask.go | 122 ++ vendor/github.com/spf13/pflag/ipnet.go | 98 + vendor/github.com/spf13/pflag/string.go | 80 + vendor/github.com/spf13/pflag/string_array.go | 129 ++ vendor/github.com/spf13/pflag/string_slice.go | 163 ++ .../github.com/spf13/pflag/string_to_int.go | 149 ++ .../github.com/spf13/pflag/string_to_int64.go | 149 ++ .../spf13/pflag/string_to_string.go | 160 ++ vendor/github.com/spf13/pflag/uint.go | 88 + vendor/github.com/spf13/pflag/uint16.go | 88 + vendor/github.com/spf13/pflag/uint32.go | 88 + vendor/github.com/spf13/pflag/uint64.go | 88 + vendor/github.com/spf13/pflag/uint8.go | 88 + vendor/github.com/spf13/pflag/uint_slice.go | 168 ++ vendor/modules.txt | 9 + 79 files changed, 12224 insertions(+), 1 deletion(-) create mode 100644 vendor/github.com/inconshreveable/mousetrap/LICENSE create mode 100644 vendor/github.com/inconshreveable/mousetrap/README.md create mode 100644 vendor/github.com/inconshreveable/mousetrap/trap_others.go create mode 100644 vendor/github.com/inconshreveable/mousetrap/trap_windows.go create mode 100644 vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go create mode 100644 vendor/github.com/spf13/cobra/.gitignore create mode 100644 vendor/github.com/spf13/cobra/.mailmap create mode 100644 vendor/github.com/spf13/cobra/.travis.yml create mode 100644 vendor/github.com/spf13/cobra/CHANGELOG.md create mode 100644 vendor/github.com/spf13/cobra/CONTRIBUTING.md create mode 100644 vendor/github.com/spf13/cobra/LICENSE.txt create mode 100644 vendor/github.com/spf13/cobra/Makefile create mode 100644 vendor/github.com/spf13/cobra/README.md create mode 100644 vendor/github.com/spf13/cobra/args.go create mode 100644 vendor/github.com/spf13/cobra/bash_completions.go create mode 100644 vendor/github.com/spf13/cobra/bash_completions.md create mode 100644 vendor/github.com/spf13/cobra/cobra.go create mode 100644 vendor/github.com/spf13/cobra/command.go create mode 100644 vendor/github.com/spf13/cobra/command_notwin.go create mode 100644 vendor/github.com/spf13/cobra/command_win.go create mode 100644 vendor/github.com/spf13/cobra/custom_completions.go create mode 100644 vendor/github.com/spf13/cobra/fish_completions.go create mode 100644 vendor/github.com/spf13/cobra/fish_completions.md create mode 100644 vendor/github.com/spf13/cobra/go.mod create mode 100644 vendor/github.com/spf13/cobra/go.sum create mode 100644 vendor/github.com/spf13/cobra/powershell_completions.go create mode 100644 vendor/github.com/spf13/cobra/powershell_completions.md create mode 100644 vendor/github.com/spf13/cobra/projects_using_cobra.md create mode 100644 vendor/github.com/spf13/cobra/shell_completions.go create mode 100644 vendor/github.com/spf13/cobra/shell_completions.md create mode 100644 vendor/github.com/spf13/cobra/zsh_completions.go create mode 100644 vendor/github.com/spf13/cobra/zsh_completions.md create mode 100644 vendor/github.com/spf13/pflag/.gitignore create mode 100644 vendor/github.com/spf13/pflag/.travis.yml create mode 100644 vendor/github.com/spf13/pflag/LICENSE create mode 100644 vendor/github.com/spf13/pflag/README.md create mode 100644 vendor/github.com/spf13/pflag/bool.go create mode 100644 vendor/github.com/spf13/pflag/bool_slice.go create mode 100644 vendor/github.com/spf13/pflag/bytes.go create mode 100644 vendor/github.com/spf13/pflag/count.go create mode 100644 vendor/github.com/spf13/pflag/duration.go create mode 100644 vendor/github.com/spf13/pflag/duration_slice.go create mode 100644 vendor/github.com/spf13/pflag/flag.go create mode 100644 vendor/github.com/spf13/pflag/float32.go create mode 100644 vendor/github.com/spf13/pflag/float32_slice.go create mode 100644 vendor/github.com/spf13/pflag/float64.go create mode 100644 vendor/github.com/spf13/pflag/float64_slice.go create mode 100644 vendor/github.com/spf13/pflag/go.mod create mode 100644 vendor/github.com/spf13/pflag/go.sum create mode 100644 vendor/github.com/spf13/pflag/golangflag.go create mode 100644 vendor/github.com/spf13/pflag/int.go create mode 100644 vendor/github.com/spf13/pflag/int16.go create mode 100644 vendor/github.com/spf13/pflag/int32.go create mode 100644 vendor/github.com/spf13/pflag/int32_slice.go create mode 100644 vendor/github.com/spf13/pflag/int64.go create mode 100644 vendor/github.com/spf13/pflag/int64_slice.go create mode 100644 vendor/github.com/spf13/pflag/int8.go create mode 100644 vendor/github.com/spf13/pflag/int_slice.go create mode 100644 vendor/github.com/spf13/pflag/ip.go create mode 100644 vendor/github.com/spf13/pflag/ip_slice.go create mode 100644 vendor/github.com/spf13/pflag/ipmask.go create mode 100644 vendor/github.com/spf13/pflag/ipnet.go create mode 100644 vendor/github.com/spf13/pflag/string.go create mode 100644 vendor/github.com/spf13/pflag/string_array.go create mode 100644 vendor/github.com/spf13/pflag/string_slice.go create mode 100644 vendor/github.com/spf13/pflag/string_to_int.go create mode 100644 vendor/github.com/spf13/pflag/string_to_int64.go create mode 100644 vendor/github.com/spf13/pflag/string_to_string.go create mode 100644 vendor/github.com/spf13/pflag/uint.go create mode 100644 vendor/github.com/spf13/pflag/uint16.go create mode 100644 vendor/github.com/spf13/pflag/uint32.go create mode 100644 vendor/github.com/spf13/pflag/uint64.go create mode 100644 vendor/github.com/spf13/pflag/uint8.go create mode 100644 vendor/github.com/spf13/pflag/uint_slice.go diff --git a/ci-build.sh b/ci-build.sh index 8bc9774..4fd31d0 100755 --- a/ci-build.sh +++ b/ci-build.sh @@ -50,6 +50,10 @@ build() { clean() { rm -rf $RELEASEDIR + for i in ${PROJECTNAME} "cmd/qrz/packrd" "cmd/qrz/main-packr.go" + do + rm -rf $i + done } case $1 in diff --git a/cmd/qrz/qrz.go b/cmd/qrz/qrz.go index 4ad5efa..0abb7d6 100644 --- a/cmd/qrz/qrz.go +++ b/cmd/qrz/qrz.go @@ -11,6 +11,7 @@ import ( "git.paulbsd.com/paulbsd/qrz/src/qrzws" "github.com/gobuffalo/packr/v2" _ "github.com/lib/pq" + _ "github.com/spf13/cobra" ) var version string diff --git a/go.mod b/go.mod index 9cccdcd..e8f4935 100644 --- a/go.mod +++ b/go.mod @@ -25,7 +25,7 @@ require ( github.com/rogpeppe/go-internal v1.6.2 // indirect github.com/sirupsen/logrus v1.7.0 // indirect github.com/smartystreets/assertions v1.2.0 // indirect - github.com/smartystreets/goconvey v1.6.4 // indirect + github.com/spf13/cobra v1.1.1 github.com/stretchr/testify v1.6.1 // indirect golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect golang.org/x/net v0.0.0-20201224014010-6772e930b67b @@ -33,6 +33,7 @@ require ( golang.org/x/sys v0.0.0-20201223074533-0d417f636930 // indirect golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect golang.org/x/text v0.3.4 // indirect + golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e // indirect golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect google.golang.org/protobuf v1.25.0 // indirect gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect diff --git a/go.sum b/go.sum index 55f01e2..043ce09 100644 --- a/go.sum +++ b/go.sum @@ -1,7 +1,20 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= +cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= +cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= +cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= +cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= +cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= +cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk= +cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= +cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= +dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s= gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:EXuID2Zs0pAQhH8yz+DNjUbjppKQzKFAn28TMYPB6IU= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= @@ -12,15 +25,22 @@ github.com/antchfx/htmlquery v1.2.3/go.mod h1:B0ABL+F5irhhMWg54ymEZinzMSi0Kt3I2i github.com/antchfx/xpath v1.1.6/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk= github.com/antchfx/xpath v1.1.11 h1:WOFtK8TVAjLm3lbgqeP0arlHpvCEeTANeWZ/csPpJkQ= github.com/antchfx/xpath v1.1.11/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs= +github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o= github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= +github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY= +github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= +github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs= +github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= +github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= +github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= @@ -34,11 +54,13 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no= github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= +github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4= github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= +github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk= @@ -53,6 +75,7 @@ github.com/gobuffalo/logger v1.0.3 h1:YaXOTHNPCvkqqA7w05A4v0k2tCdpr+sgFlgINbQ6gq github.com/gobuffalo/logger v1.0.3/go.mod h1:SoeejUwldiS7ZsyCBphOGURmWdwUFXs0J7TCjEhjKxM= github.com/gobuffalo/packd v1.0.0 h1:6ERZvJHfe24rfFmA9OaoKBdC7+c9sydrytMg8SdFGBM= github.com/gobuffalo/packd v1.0.0/go.mod h1:6VTc4htmJRFB7u1m/4LeMTWjFoYrUiBkU9Fdec9hrhI= +github.com/gobuffalo/packr v1.30.1 h1:hu1fuVR3fXEZR7rXNW3h8rqSML8EVAf6KNm0NKO/wKg= github.com/gobuffalo/packr/v2 v2.8.1 h1:tkQpju6i3EtMXJ9uoF5GT6kB+LMTimDWD8Xvbz6zDVA= github.com/gobuffalo/packr/v2 v2.8.1/go.mod h1:c/PLlOuTU+p3SybaJATW3H6lX/iK7xEz5OeMf+NnJpg= github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= @@ -63,6 +86,8 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY= 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h1:TVEnxayobAdVkhQfrfes2IzOB6o+z4roRkPF52 github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ= github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU= github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q= +github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wKdgO/C0= go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= +go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU= +go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8= go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= go.uber.org/zap v1.10.0/go.mod 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h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= @@ -254,20 +338,41 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY= golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= +golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= +golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8= +golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek= +golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY= +golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod 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h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= @@ -373,6 +521,7 @@ gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EV gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU= gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= @@ -395,7 +544,11 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ= gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= xorm.io/builder v0.3.7 h1:2pETdKRK+2QG4mLX4oODHEhn5Z8j1m8sXa7jfu+/SZI= xorm.io/builder v0.3.7/go.mod h1:aUW0S9eb9VCaPohFCH3j7czOx1PMW3i1HrSzbLYGBSE= xorm.io/xorm v1.0.5 h1:LRr5PfOUb4ODPR63YwbowkNDwcolT2LnkwP/TUaMaB0= diff --git a/vendor/github.com/inconshreveable/mousetrap/LICENSE b/vendor/github.com/inconshreveable/mousetrap/LICENSE new file mode 100644 index 0000000..5f0d1fb --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/LICENSE @@ -0,0 +1,13 @@ +Copyright 2014 Alan Shreve + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/vendor/github.com/inconshreveable/mousetrap/README.md b/vendor/github.com/inconshreveable/mousetrap/README.md new file mode 100644 index 0000000..7a950d1 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/README.md @@ -0,0 +1,23 @@ +# mousetrap + +mousetrap is a tiny library that answers a single question. + +On a Windows machine, was the process invoked by someone double clicking on +the executable file while browsing in explorer? + +### Motivation + +Windows developers unfamiliar with command line tools will often "double-click" +the executable for a tool. Because most CLI tools print the help and then exit +when invoked without arguments, this is often very frustrating for those users. + +mousetrap provides a way to detect these invocations so that you can provide +more helpful behavior and instructions on how to run the CLI tool. To see what +this looks like, both from an organizational and a technical perspective, see +https://inconshreveable.com/09-09-2014/sweat-the-small-stuff/ + +### The interface + +The library exposes a single interface: + + func StartedByExplorer() (bool) diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_others.go b/vendor/github.com/inconshreveable/mousetrap/trap_others.go new file mode 100644 index 0000000..9d2d8a4 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_others.go @@ -0,0 +1,15 @@ +// +build !windows + +package mousetrap + +// StartedByExplorer returns true if the program was invoked by the user +// double-clicking on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +// +// On non-Windows platforms, it always returns false. +func StartedByExplorer() bool { + return false +} diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_windows.go b/vendor/github.com/inconshreveable/mousetrap/trap_windows.go new file mode 100644 index 0000000..336142a --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_windows.go @@ -0,0 +1,98 @@ +// +build windows +// +build !go1.4 + +package mousetrap + +import ( + "fmt" + "os" + "syscall" + "unsafe" +) + +const ( + // defined by the Win32 API + th32cs_snapprocess uintptr = 0x2 +) + +var ( + kernel = syscall.MustLoadDLL("kernel32.dll") + CreateToolhelp32Snapshot = kernel.MustFindProc("CreateToolhelp32Snapshot") + Process32First = kernel.MustFindProc("Process32FirstW") + Process32Next = kernel.MustFindProc("Process32NextW") +) + +// ProcessEntry32 structure defined by the Win32 API +type processEntry32 struct { + dwSize uint32 + cntUsage uint32 + th32ProcessID uint32 + th32DefaultHeapID int + th32ModuleID uint32 + cntThreads uint32 + th32ParentProcessID uint32 + pcPriClassBase int32 + dwFlags uint32 + szExeFile [syscall.MAX_PATH]uint16 +} + +func getProcessEntry(pid int) (pe *processEntry32, err error) { + snapshot, _, e1 := CreateToolhelp32Snapshot.Call(th32cs_snapprocess, uintptr(0)) + if snapshot == uintptr(syscall.InvalidHandle) { + err = fmt.Errorf("CreateToolhelp32Snapshot: %v", e1) + return + } + defer syscall.CloseHandle(syscall.Handle(snapshot)) + + var processEntry processEntry32 + processEntry.dwSize = uint32(unsafe.Sizeof(processEntry)) + ok, _, e1 := Process32First.Call(snapshot, uintptr(unsafe.Pointer(&processEntry))) + if ok == 0 { + err = fmt.Errorf("Process32First: %v", e1) + return + } + + for { + if processEntry.th32ProcessID == uint32(pid) { + pe = &processEntry + return + } + + ok, _, e1 = Process32Next.Call(snapshot, uintptr(unsafe.Pointer(&processEntry))) + if ok == 0 { + err = fmt.Errorf("Process32Next: %v", e1) + return + } + } +} + +func getppid() (pid int, err error) { + pe, err := getProcessEntry(os.Getpid()) + if err != nil { + return + } + + pid = int(pe.th32ParentProcessID) + return +} + +// StartedByExplorer returns true if the program was invoked by the user double-clicking +// on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +func StartedByExplorer() bool { + ppid, err := getppid() + if err != nil { + return false + } + + pe, err := getProcessEntry(ppid) + if err != nil { + return false + } + + name := syscall.UTF16ToString(pe.szExeFile[:]) + return name == "explorer.exe" +} diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go new file mode 100644 index 0000000..9a28e57 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go @@ -0,0 +1,46 @@ +// +build windows +// +build go1.4 + +package mousetrap + +import ( + "os" + "syscall" + "unsafe" +) + +func getProcessEntry(pid int) (*syscall.ProcessEntry32, error) { + snapshot, err := syscall.CreateToolhelp32Snapshot(syscall.TH32CS_SNAPPROCESS, 0) + if err != nil { + return nil, err + } + defer syscall.CloseHandle(snapshot) + var procEntry syscall.ProcessEntry32 + procEntry.Size = uint32(unsafe.Sizeof(procEntry)) + if err = syscall.Process32First(snapshot, &procEntry); err != nil { + return nil, err + } + for { + if procEntry.ProcessID == uint32(pid) { + return &procEntry, nil + } + err = syscall.Process32Next(snapshot, &procEntry) + if err != nil { + return nil, err + } + } +} + +// StartedByExplorer returns true if the program was invoked by the user double-clicking +// on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +func StartedByExplorer() bool { + pe, err := getProcessEntry(os.Getppid()) + if err != nil { + return false + } + return "explorer.exe" == syscall.UTF16ToString(pe.ExeFile[:]) +} diff --git a/vendor/github.com/spf13/cobra/.gitignore b/vendor/github.com/spf13/cobra/.gitignore new file mode 100644 index 0000000..c7b459e --- /dev/null +++ b/vendor/github.com/spf13/cobra/.gitignore @@ -0,0 +1,39 @@ +# Compiled Object files, Static and Dynamic libs (Shared Objects) +*.o +*.a +*.so + +# Folders +_obj +_test + +# Architecture specific extensions/prefixes +*.[568vq] +[568vq].out + +*.cgo1.go +*.cgo2.c +_cgo_defun.c +_cgo_gotypes.go +_cgo_export.* + +_testmain.go + +# Vim files https://github.com/github/gitignore/blob/master/Global/Vim.gitignore +# swap +[._]*.s[a-w][a-z] +[._]s[a-w][a-z] +# session +Session.vim +# temporary +.netrwhist +*~ +# auto-generated tag files +tags + +*.exe +cobra.test +bin + +.idea/ +*.iml diff --git a/vendor/github.com/spf13/cobra/.mailmap b/vendor/github.com/spf13/cobra/.mailmap new file mode 100644 index 0000000..94ec530 --- /dev/null +++ b/vendor/github.com/spf13/cobra/.mailmap @@ -0,0 +1,3 @@ +Steve Francia +Bjørn Erik Pedersen +Fabiano Franz diff --git a/vendor/github.com/spf13/cobra/.travis.yml b/vendor/github.com/spf13/cobra/.travis.yml new file mode 100644 index 0000000..a9bd4e5 --- /dev/null +++ b/vendor/github.com/spf13/cobra/.travis.yml @@ -0,0 +1,29 @@ +language: go + +stages: + - diff + - test + - build + +go: + - 1.12.x + - 1.13.x + - tip + +before_install: + - go get -u github.com/kyoh86/richgo + - go get -u github.com/mitchellh/gox + +matrix: + allow_failures: + - go: tip + include: + - stage: diff + go: 1.13.x + script: make fmt + - stage: build + go: 1.13.x + script: make cobra_generator + +script: + - make test diff --git a/vendor/github.com/spf13/cobra/CHANGELOG.md b/vendor/github.com/spf13/cobra/CHANGELOG.md new file mode 100644 index 0000000..742d6d6 --- /dev/null +++ b/vendor/github.com/spf13/cobra/CHANGELOG.md @@ -0,0 +1,22 @@ +# Cobra Changelog + +## Pending +* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` @jpmcb + +## v1.0.0 +Announcing v1.0.0 of Cobra. 🎉 +**Notable Changes** +* Fish completion (including support for Go custom completion) @marckhouzam +* API (urgent): Rename BashCompDirectives to ShellCompDirectives @marckhouzam +* Remove/replace SetOutput on Command - deprecated @jpmcb +* add support for autolabel stale PR @xchapter7x +* Add Labeler Actions @xchapter7x +* Custom completions coded in Go (instead of Bash) @marckhouzam +* Partial Revert of #922 @jharshman +* Add Makefile to project @jharshman +* Correct documentation for InOrStdin @desponda +* Apply formatting to templates @jharshman +* Revert change so help is printed on stdout again @marckhouzam +* Update md2man to v2.0.0 @pdf +* update viper to v1.4.0 @umarcor +* Update cmd/root.go example in README.md @jharshman diff --git a/vendor/github.com/spf13/cobra/CONTRIBUTING.md b/vendor/github.com/spf13/cobra/CONTRIBUTING.md new file mode 100644 index 0000000..6f356e6 --- /dev/null +++ b/vendor/github.com/spf13/cobra/CONTRIBUTING.md @@ -0,0 +1,50 @@ +# Contributing to Cobra + +Thank you so much for contributing to Cobra. We appreciate your time and help. +Here are some guidelines to help you get started. + +## Code of Conduct + +Be kind and respectful to the members of the community. Take time to educate +others who are seeking help. Harassment of any kind will not be tolerated. + +## Questions + +If you have questions regarding Cobra, feel free to ask it in the community +[#cobra Slack channel][cobra-slack] + +## Filing a bug or feature + +1. Before filing an issue, please check the existing issues to see if a + similar one was already opened. If there is one already opened, feel free + to comment on it. +1. If you believe you've found a bug, please provide detailed steps of + reproduction, the version of Cobra and anything else you believe will be + useful to help troubleshoot it (e.g. OS environment, environment variables, + etc...). Also state the current behavior vs. the expected behavior. +1. If you'd like to see a feature or an enhancement please open an issue with + a clear title and description of what the feature is and why it would be + beneficial to the project and its users. + +## Submitting changes + +1. CLA: Upon submitting a Pull Request (PR), contributors will be prompted to + sign a CLA. Please sign the CLA :slightly_smiling_face: +1. Tests: If you are submitting code, please ensure you have adequate tests + for the feature. Tests can be run via `go test ./...` or `make test`. +1. Since this is golang project, ensure the new code is properly formatted to + ensure code consistency. Run `make all`. + +### Quick steps to contribute + +1. Fork the project. +1. Download your fork to your PC (`git clone https://github.com/your_username/cobra && cd cobra`) +1. Create your feature branch (`git checkout -b my-new-feature`) +1. Make changes and run tests (`make test`) +1. Add them to staging (`git add .`) +1. Commit your changes (`git commit -m 'Add some feature'`) +1. Push to the branch (`git push origin my-new-feature`) +1. Create new pull request + + +[cobra-slack]: https://gophers.slack.com/archives/CD3LP1199 diff --git a/vendor/github.com/spf13/cobra/LICENSE.txt b/vendor/github.com/spf13/cobra/LICENSE.txt new file mode 100644 index 0000000..298f0e2 --- /dev/null +++ b/vendor/github.com/spf13/cobra/LICENSE.txt @@ -0,0 +1,174 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. diff --git a/vendor/github.com/spf13/cobra/Makefile b/vendor/github.com/spf13/cobra/Makefile new file mode 100644 index 0000000..e9740d1 --- /dev/null +++ b/vendor/github.com/spf13/cobra/Makefile @@ -0,0 +1,36 @@ +BIN="./bin" +SRC=$(shell find . -name "*.go") + +ifeq (, $(shell which richgo)) +$(warning "could not find richgo in $(PATH), run: go get github.com/kyoh86/richgo") +endif + +.PHONY: fmt vet test cobra_generator install_deps clean + +default: all + +all: fmt vet test cobra_generator + +fmt: + $(info ******************** checking formatting ********************) + @test -z $(shell gofmt -l $(SRC)) || (gofmt -d $(SRC); exit 1) + +test: install_deps vet + $(info ******************** running tests ********************) + richgo test -v ./... + +cobra_generator: install_deps + $(info ******************** building generator ********************) + mkdir -p $(BIN) + make -C cobra all + +install_deps: + $(info ******************** downloading dependencies ********************) + go get -v ./... + +vet: + $(info ******************** vetting ********************) + go vet ./... + +clean: + rm -rf $(BIN) diff --git a/vendor/github.com/spf13/cobra/README.md b/vendor/github.com/spf13/cobra/README.md new file mode 100644 index 0000000..3cf1b25 --- /dev/null +++ b/vendor/github.com/spf13/cobra/README.md @@ -0,0 +1,766 @@ +![cobra logo](https://cloud.githubusercontent.com/assets/173412/10886352/ad566232-814f-11e5-9cd0-aa101788c117.png) + +Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files. + +Cobra is used in many Go projects such as [Kubernetes](http://kubernetes.io/), +[Hugo](https://gohugo.io), and [Github CLI](https://github.com/cli/cli) to +name a few. [This list](./projects_using_cobra.md) contains a more extensive list of projects using Cobra. + +[![Build Status](https://travis-ci.org/spf13/cobra.svg "Travis CI status")](https://travis-ci.org/spf13/cobra) +[![GoDoc](https://godoc.org/github.com/spf13/cobra?status.svg)](https://godoc.org/github.com/spf13/cobra) +[![Go Report Card](https://goreportcard.com/badge/github.com/spf13/cobra)](https://goreportcard.com/report/github.com/spf13/cobra) +[![Slack](https://img.shields.io/badge/Slack-cobra-brightgreen)](https://gophers.slack.com/archives/CD3LP1199) + +# Table of Contents + +- [Overview](#overview) +- [Concepts](#concepts) + * [Commands](#commands) + * [Flags](#flags) +- [Installing](#installing) +- [Getting Started](#getting-started) + * [Using the Cobra Generator](#using-the-cobra-generator) + * [Using the Cobra Library](#using-the-cobra-library) + * [Working with Flags](#working-with-flags) + * [Positional and Custom Arguments](#positional-and-custom-arguments) + * [Example](#example) + * [Help Command](#help-command) + * [Usage Message](#usage-message) + * [PreRun and PostRun Hooks](#prerun-and-postrun-hooks) + * [Suggestions when "unknown command" happens](#suggestions-when-unknown-command-happens) + * [Generating documentation for your command](#generating-documentation-for-your-command) + * [Generating shell completions](#generating-shell-completions) +- [Contributing](CONTRIBUTING.md) +- [License](#license) + +# Overview + +Cobra is a library providing a simple interface to create powerful modern CLI +interfaces similar to git & go tools. + +Cobra is also an application that will generate your application scaffolding to rapidly +develop a Cobra-based application. + +Cobra provides: +* Easy subcommand-based CLIs: `app server`, `app fetch`, etc. +* Fully POSIX-compliant flags (including short & long versions) +* Nested subcommands +* Global, local and cascading flags +* Easy generation of applications & commands with `cobra init appname` & `cobra add cmdname` +* Intelligent suggestions (`app srver`... did you mean `app server`?) +* Automatic help generation for commands and flags +* Automatic help flag recognition of `-h`, `--help`, etc. +* Automatically generated shell autocomplete for your application (bash, zsh, fish, powershell) +* Automatically generated man pages for your application +* Command aliases so you can change things without breaking them +* The flexibility to define your own help, usage, etc. +* Optional tight integration with [viper](http://github.com/spf13/viper) for 12-factor apps + +# Concepts + +Cobra is built on a structure of commands, arguments & flags. + +**Commands** represent actions, **Args** are things and **Flags** are modifiers for those actions. + +The best applications will read like sentences when used. Users will know how +to use the application because they will natively understand how to use it. + +The pattern to follow is +`APPNAME VERB NOUN --ADJECTIVE.` + or +`APPNAME COMMAND ARG --FLAG` + +A few good real world examples may better illustrate this point. + +In the following example, 'server' is a command, and 'port' is a flag: + + hugo server --port=1313 + +In this command we are telling Git to clone the url bare. + + git clone URL --bare + +## Commands + +Command is the central point of the application. Each interaction that +the application supports will be contained in a Command. A command can +have children commands and optionally run an action. + +In the example above, 'server' is the command. + +[More about cobra.Command](https://godoc.org/github.com/spf13/cobra#Command) + +## Flags + +A flag is a way to modify the behavior of a command. Cobra supports +fully POSIX-compliant flags as well as the Go [flag package](https://golang.org/pkg/flag/). +A Cobra command can define flags that persist through to children commands +and flags that are only available to that command. + +In the example above, 'port' is the flag. + +Flag functionality is provided by the [pflag +library](https://github.com/spf13/pflag), a fork of the flag standard library +which maintains the same interface while adding POSIX compliance. + +# Installing +Using Cobra is easy. First, use `go get` to install the latest version +of the library. This command will install the `cobra` generator executable +along with the library and its dependencies: + + go get -u github.com/spf13/cobra + +Next, include Cobra in your application: + +```go +import "github.com/spf13/cobra" +``` + +# Getting Started + +While you are welcome to provide your own organization, typically a Cobra-based +application will follow the following organizational structure: + +``` + ▾ appName/ + ▾ cmd/ + add.go + your.go + commands.go + here.go + main.go +``` + +In a Cobra app, typically the main.go file is very bare. It serves one purpose: initializing Cobra. + +```go +package main + +import ( + "{pathToYourApp}/cmd" +) + +func main() { + cmd.Execute() +} +``` + +## Using the Cobra Generator + +Cobra provides its own program that will create your application and add any +commands you want. It's the easiest way to incorporate Cobra into your application. + +[Here](https://github.com/spf13/cobra/blob/master/cobra/README.md) you can find more information about it. + +## Using the Cobra Library + +To manually implement Cobra you need to create a bare main.go file and a rootCmd file. +You will optionally provide additional commands as you see fit. + +### Create rootCmd + +Cobra doesn't require any special constructors. Simply create your commands. + +Ideally you place this in app/cmd/root.go: + +```go +var rootCmd = &cobra.Command{ + Use: "hugo", + Short: "Hugo is a very fast static site generator", + Long: `A Fast and Flexible Static Site Generator built with + love by spf13 and friends in Go. + Complete documentation is available at http://hugo.spf13.com`, + Run: func(cmd *cobra.Command, args []string) { + // Do Stuff Here + }, +} + +func Execute() { + if err := rootCmd.Execute(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} +``` + +You will additionally define flags and handle configuration in your init() function. + +For example cmd/root.go: + +```go +package cmd + +import ( + "fmt" + "os" + + homedir "github.com/mitchellh/go-homedir" + "github.com/spf13/cobra" + "github.com/spf13/viper" +) + +var ( + // Used for flags. + cfgFile string + userLicense string + + rootCmd = &cobra.Command{ + Use: "cobra", + Short: "A generator for Cobra based Applications", + Long: `Cobra is a CLI library for Go that empowers applications. +This application is a tool to generate the needed files +to quickly create a Cobra application.`, + } +) + +// Execute executes the root command. +func Execute() error { + return rootCmd.Execute() +} + +func init() { + cobra.OnInitialize(initConfig) + + rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)") + rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution") + rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project") + rootCmd.PersistentFlags().Bool("viper", true, "use Viper for configuration") + viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author")) + viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper")) + viper.SetDefault("author", "NAME HERE ") + viper.SetDefault("license", "apache") + + rootCmd.AddCommand(addCmd) + rootCmd.AddCommand(initCmd) +} + +func er(msg interface{}) { + fmt.Println("Error:", msg) + os.Exit(1) +} + +func initConfig() { + if cfgFile != "" { + // Use config file from the flag. + viper.SetConfigFile(cfgFile) + } else { + // Find home directory. + home, err := homedir.Dir() + if err != nil { + er(err) + } + + // Search config in home directory with name ".cobra" (without extension). + viper.AddConfigPath(home) + viper.SetConfigName(".cobra") + } + + viper.AutomaticEnv() + + if err := viper.ReadInConfig(); err == nil { + fmt.Println("Using config file:", viper.ConfigFileUsed()) + } +} +``` + +### Create your main.go + +With the root command you need to have your main function execute it. +Execute should be run on the root for clarity, though it can be called on any command. + +In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra. + +```go +package main + +import ( + "{pathToYourApp}/cmd" +) + +func main() { + cmd.Execute() +} +``` + +### Create additional commands + +Additional commands can be defined and typically are each given their own file +inside of the cmd/ directory. + +If you wanted to create a version command you would create cmd/version.go and +populate it with the following: + +```go +package cmd + +import ( + "fmt" + + "github.com/spf13/cobra" +) + +func init() { + rootCmd.AddCommand(versionCmd) +} + +var versionCmd = &cobra.Command{ + Use: "version", + Short: "Print the version number of Hugo", + Long: `All software has versions. This is Hugo's`, + Run: func(cmd *cobra.Command, args []string) { + fmt.Println("Hugo Static Site Generator v0.9 -- HEAD") + }, +} +``` + +### Returning and handling errors + +If you wish to return an error to the caller of a command, `RunE` can be used. + +```go +package cmd + +import ( + "fmt" + + "github.com/spf13/cobra" +) + +func init() { + rootCmd.AddCommand(tryCmd) +} + +var tryCmd = &cobra.Command{ + Use: "try", + Short: "Try and possibly fail at something", + RunE: func(cmd *cobra.Command, args []string) error { + if err := someFunc(); err != nil { + return err + } + return nil + }, +} +``` + +The error can then be caught at the execute function call. + +## Working with Flags + +Flags provide modifiers to control how the action command operates. + +### Assign flags to a command + +Since the flags are defined and used in different locations, we need to +define a variable outside with the correct scope to assign the flag to +work with. + +```go +var Verbose bool +var Source string +``` + +There are two different approaches to assign a flag. + +### Persistent Flags + +A flag can be 'persistent' meaning that this flag will be available to the +command it's assigned to as well as every command under that command. For +global flags, assign a flag as a persistent flag on the root. + +```go +rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output") +``` + +### Local Flags + +A flag can also be assigned locally which will only apply to that specific command. + +```go +localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from") +``` + +### Local Flag on Parent Commands + +By default Cobra only parses local flags on the target command, any local flags on +parent commands are ignored. By enabling `Command.TraverseChildren` Cobra will +parse local flags on each command before executing the target command. + +```go +command := cobra.Command{ + Use: "print [OPTIONS] [COMMANDS]", + TraverseChildren: true, +} +``` + +### Bind Flags with Config + +You can also bind your flags with [viper](https://github.com/spf13/viper): +```go +var author string + +func init() { + rootCmd.PersistentFlags().StringVar(&author, "author", "YOUR NAME", "Author name for copyright attribution") + viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author")) +} +``` + +In this example the persistent flag `author` is bound with `viper`. +**Note**, that the variable `author` will not be set to the value from config, +when the `--author` flag is not provided by user. + +More in [viper documentation](https://github.com/spf13/viper#working-with-flags). + +### Required flags + +Flags are optional by default. If instead you wish your command to report an error +when a flag has not been set, mark it as required: +```go +rootCmd.Flags().StringVarP(&Region, "region", "r", "", "AWS region (required)") +rootCmd.MarkFlagRequired("region") +``` + +Or, for persistent flags: +```go +rootCmd.PersistentFlags().StringVarP(&Region, "region", "r", "", "AWS region (required)") +rootCmd.MarkPersistentFlagRequired("region") +``` + +## Positional and Custom Arguments + +Validation of positional arguments can be specified using the `Args` field +of `Command`. + +The following validators are built in: + +- `NoArgs` - the command will report an error if there are any positional args. +- `ArbitraryArgs` - the command will accept any args. +- `OnlyValidArgs` - the command will report an error if there are any positional args that are not in the `ValidArgs` field of `Command`. +- `MinimumNArgs(int)` - the command will report an error if there are not at least N positional args. +- `MaximumNArgs(int)` - the command will report an error if there are more than N positional args. +- `ExactArgs(int)` - the command will report an error if there are not exactly N positional args. +- `ExactValidArgs(int)` - the command will report an error if there are not exactly N positional args OR if there are any positional args that are not in the `ValidArgs` field of `Command` +- `RangeArgs(min, max)` - the command will report an error if the number of args is not between the minimum and maximum number of expected args. + +An example of setting the custom validator: + +```go +var cmd = &cobra.Command{ + Short: "hello", + Args: func(cmd *cobra.Command, args []string) error { + if len(args) < 1 { + return errors.New("requires a color argument") + } + if myapp.IsValidColor(args[0]) { + return nil + } + return fmt.Errorf("invalid color specified: %s", args[0]) + }, + Run: func(cmd *cobra.Command, args []string) { + fmt.Println("Hello, World!") + }, +} +``` + +## Example + +In the example below, we have defined three commands. Two are at the top level +and one (cmdTimes) is a child of one of the top commands. In this case the root +is not executable meaning that a subcommand is required. This is accomplished +by not providing a 'Run' for the 'rootCmd'. + +We have only defined one flag for a single command. + +More documentation about flags is available at https://github.com/spf13/pflag + +```go +package main + +import ( + "fmt" + "strings" + + "github.com/spf13/cobra" +) + +func main() { + var echoTimes int + + var cmdPrint = &cobra.Command{ + Use: "print [string to print]", + Short: "Print anything to the screen", + Long: `print is for printing anything back to the screen. +For many years people have printed back to the screen.`, + Args: cobra.MinimumNArgs(1), + Run: func(cmd *cobra.Command, args []string) { + fmt.Println("Print: " + strings.Join(args, " ")) + }, + } + + var cmdEcho = &cobra.Command{ + Use: "echo [string to echo]", + Short: "Echo anything to the screen", + Long: `echo is for echoing anything back. +Echo works a lot like print, except it has a child command.`, + Args: cobra.MinimumNArgs(1), + Run: func(cmd *cobra.Command, args []string) { + fmt.Println("Echo: " + strings.Join(args, " ")) + }, + } + + var cmdTimes = &cobra.Command{ + Use: "times [string to echo]", + Short: "Echo anything to the screen more times", + Long: `echo things multiple times back to the user by providing +a count and a string.`, + Args: cobra.MinimumNArgs(1), + Run: func(cmd *cobra.Command, args []string) { + for i := 0; i < echoTimes; i++ { + fmt.Println("Echo: " + strings.Join(args, " ")) + } + }, + } + + cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input") + + var rootCmd = &cobra.Command{Use: "app"} + rootCmd.AddCommand(cmdPrint, cmdEcho) + cmdEcho.AddCommand(cmdTimes) + rootCmd.Execute() +} +``` + +For a more complete example of a larger application, please checkout [Hugo](http://gohugo.io/). + +## Help Command + +Cobra automatically adds a help command to your application when you have subcommands. +This will be called when a user runs 'app help'. Additionally, help will also +support all other commands as input. Say, for instance, you have a command called +'create' without any additional configuration; Cobra will work when 'app help +create' is called. Every command will automatically have the '--help' flag added. + +### Example + +The following output is automatically generated by Cobra. Nothing beyond the +command and flag definitions are needed. + + $ cobra help + + Cobra is a CLI library for Go that empowers applications. + This application is a tool to generate the needed files + to quickly create a Cobra application. + + Usage: + cobra [command] + + Available Commands: + add Add a command to a Cobra Application + help Help about any command + init Initialize a Cobra Application + + Flags: + -a, --author string author name for copyright attribution (default "YOUR NAME") + --config string config file (default is $HOME/.cobra.yaml) + -h, --help help for cobra + -l, --license string name of license for the project + --viper use Viper for configuration (default true) + + Use "cobra [command] --help" for more information about a command. + + +Help is just a command like any other. There is no special logic or behavior +around it. In fact, you can provide your own if you want. + +### Defining your own help + +You can provide your own Help command or your own template for the default command to use +with following functions: + +```go +cmd.SetHelpCommand(cmd *Command) +cmd.SetHelpFunc(f func(*Command, []string)) +cmd.SetHelpTemplate(s string) +``` + +The latter two will also apply to any children commands. + +## Usage Message + +When the user provides an invalid flag or invalid command, Cobra responds by +showing the user the 'usage'. + +### Example +You may recognize this from the help above. That's because the default help +embeds the usage as part of its output. + + $ cobra --invalid + Error: unknown flag: --invalid + Usage: + cobra [command] + + Available Commands: + add Add a command to a Cobra Application + help Help about any command + init Initialize a Cobra Application + + Flags: + -a, --author string author name for copyright attribution (default "YOUR NAME") + --config string config file (default is $HOME/.cobra.yaml) + -h, --help help for cobra + -l, --license string name of license for the project + --viper use Viper for configuration (default true) + + Use "cobra [command] --help" for more information about a command. + +### Defining your own usage +You can provide your own usage function or template for Cobra to use. +Like help, the function and template are overridable through public methods: + +```go +cmd.SetUsageFunc(f func(*Command) error) +cmd.SetUsageTemplate(s string) +``` + +## Version Flag + +Cobra adds a top-level '--version' flag if the Version field is set on the root command. +Running an application with the '--version' flag will print the version to stdout using +the version template. The template can be customized using the +`cmd.SetVersionTemplate(s string)` function. + +## PreRun and PostRun Hooks + +It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`. The `Persistent*Run` functions will be inherited by children if they do not declare their own. These functions are run in the following order: + +- `PersistentPreRun` +- `PreRun` +- `Run` +- `PostRun` +- `PersistentPostRun` + +An example of two commands which use all of these features is below. When the subcommand is executed, it will run the root command's `PersistentPreRun` but not the root command's `PersistentPostRun`: + +```go +package main + +import ( + "fmt" + + "github.com/spf13/cobra" +) + +func main() { + + var rootCmd = &cobra.Command{ + Use: "root [sub]", + Short: "My root command", + PersistentPreRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside rootCmd PersistentPreRun with args: %v\n", args) + }, + PreRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside rootCmd PreRun with args: %v\n", args) + }, + Run: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside rootCmd Run with args: %v\n", args) + }, + PostRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside rootCmd PostRun with args: %v\n", args) + }, + PersistentPostRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside rootCmd PersistentPostRun with args: %v\n", args) + }, + } + + var subCmd = &cobra.Command{ + Use: "sub [no options!]", + Short: "My subcommand", + PreRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside subCmd PreRun with args: %v\n", args) + }, + Run: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside subCmd Run with args: %v\n", args) + }, + PostRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside subCmd PostRun with args: %v\n", args) + }, + PersistentPostRun: func(cmd *cobra.Command, args []string) { + fmt.Printf("Inside subCmd PersistentPostRun with args: %v\n", args) + }, + } + + rootCmd.AddCommand(subCmd) + + rootCmd.SetArgs([]string{""}) + rootCmd.Execute() + fmt.Println() + rootCmd.SetArgs([]string{"sub", "arg1", "arg2"}) + rootCmd.Execute() +} +``` + +Output: +``` +Inside rootCmd PersistentPreRun with args: [] +Inside rootCmd PreRun with args: [] +Inside rootCmd Run with args: [] +Inside rootCmd PostRun with args: [] +Inside rootCmd PersistentPostRun with args: [] + +Inside rootCmd PersistentPreRun with args: [arg1 arg2] +Inside subCmd PreRun with args: [arg1 arg2] +Inside subCmd Run with args: [arg1 arg2] +Inside subCmd PostRun with args: [arg1 arg2] +Inside subCmd PersistentPostRun with args: [arg1 arg2] +``` + +## Suggestions when "unknown command" happens + +Cobra will print automatic suggestions when "unknown command" errors happen. This allows Cobra to behave similarly to the `git` command when a typo happens. For example: + +``` +$ hugo srever +Error: unknown command "srever" for "hugo" + +Did you mean this? + server + +Run 'hugo --help' for usage. +``` + +Suggestions are automatic based on every subcommand registered and use an implementation of [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion. + +If you need to disable suggestions or tweak the string distance in your command, use: + +```go +command.DisableSuggestions = true +``` + +or + +```go +command.SuggestionsMinimumDistance = 1 +``` + +You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but makes sense in your set of commands and for some which you don't want aliases. Example: + +``` +$ kubectl remove +Error: unknown command "remove" for "kubectl" + +Did you mean this? + delete + +Run 'kubectl help' for usage. +``` + +## Generating documentation for your command + +Cobra can generate documentation based on subcommands, flags, etc. Read more about it in the [docs generation documentation](doc/README.md). + +## Generating shell completions + +Cobra can generate a shell-completion file for the following shells: Bash, Zsh, Fish, Powershell. If you add more information to your commands, these completions can be amazingly powerful and flexible. Read more about it in [Shell Completions](shell_completions.md). + +# License + +Cobra is released under the Apache 2.0 license. See [LICENSE.txt](https://github.com/spf13/cobra/blob/master/LICENSE.txt) diff --git a/vendor/github.com/spf13/cobra/args.go b/vendor/github.com/spf13/cobra/args.go new file mode 100644 index 0000000..70e9b26 --- /dev/null +++ b/vendor/github.com/spf13/cobra/args.go @@ -0,0 +1,109 @@ +package cobra + +import ( + "fmt" + "strings" +) + +type PositionalArgs func(cmd *Command, args []string) error + +// Legacy arg validation has the following behaviour: +// - root commands with no subcommands can take arbitrary arguments +// - root commands with subcommands will do subcommand validity checking +// - subcommands will always accept arbitrary arguments +func legacyArgs(cmd *Command, args []string) error { + // no subcommand, always take args + if !cmd.HasSubCommands() { + return nil + } + + // root command with subcommands, do subcommand checking. + if !cmd.HasParent() && len(args) > 0 { + return fmt.Errorf("unknown command %q for %q%s", args[0], cmd.CommandPath(), cmd.findSuggestions(args[0])) + } + return nil +} + +// NoArgs returns an error if any args are included. +func NoArgs(cmd *Command, args []string) error { + if len(args) > 0 { + return fmt.Errorf("unknown command %q for %q", args[0], cmd.CommandPath()) + } + return nil +} + +// OnlyValidArgs returns an error if any args are not in the list of ValidArgs. +func OnlyValidArgs(cmd *Command, args []string) error { + if len(cmd.ValidArgs) > 0 { + // Remove any description that may be included in ValidArgs. + // A description is following a tab character. + var validArgs []string + for _, v := range cmd.ValidArgs { + validArgs = append(validArgs, strings.Split(v, "\t")[0]) + } + + for _, v := range args { + if !stringInSlice(v, validArgs) { + return fmt.Errorf("invalid argument %q for %q%s", v, cmd.CommandPath(), cmd.findSuggestions(args[0])) + } + } + } + return nil +} + +// ArbitraryArgs never returns an error. +func ArbitraryArgs(cmd *Command, args []string) error { + return nil +} + +// MinimumNArgs returns an error if there is not at least N args. +func MinimumNArgs(n int) PositionalArgs { + return func(cmd *Command, args []string) error { + if len(args) < n { + return fmt.Errorf("requires at least %d arg(s), only received %d", n, len(args)) + } + return nil + } +} + +// MaximumNArgs returns an error if there are more than N args. +func MaximumNArgs(n int) PositionalArgs { + return func(cmd *Command, args []string) error { + if len(args) > n { + return fmt.Errorf("accepts at most %d arg(s), received %d", n, len(args)) + } + return nil + } +} + +// ExactArgs returns an error if there are not exactly n args. +func ExactArgs(n int) PositionalArgs { + return func(cmd *Command, args []string) error { + if len(args) != n { + return fmt.Errorf("accepts %d arg(s), received %d", n, len(args)) + } + return nil + } +} + +// ExactValidArgs returns an error if +// there are not exactly N positional args OR +// there are any positional args that are not in the `ValidArgs` field of `Command` +func ExactValidArgs(n int) PositionalArgs { + return func(cmd *Command, args []string) error { + if err := ExactArgs(n)(cmd, args); err != nil { + return err + } + return OnlyValidArgs(cmd, args) + } +} + +// RangeArgs returns an error if the number of args is not within the expected range. +func RangeArgs(min int, max int) PositionalArgs { + return func(cmd *Command, args []string) error { + if len(args) < min || len(args) > max { + return fmt.Errorf("accepts between %d and %d arg(s), received %d", min, max, len(args)) + } + return nil + } +} diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go new file mode 100644 index 0000000..846636d --- /dev/null +++ b/vendor/github.com/spf13/cobra/bash_completions.go @@ -0,0 +1,678 @@ +package cobra + +import ( + "bytes" + "fmt" + "io" + "os" + "sort" + "strings" + + "github.com/spf13/pflag" +) + +// Annotations for Bash completion. +const ( + BashCompFilenameExt = "cobra_annotation_bash_completion_filename_extensions" + BashCompCustom = "cobra_annotation_bash_completion_custom" + BashCompOneRequiredFlag = "cobra_annotation_bash_completion_one_required_flag" + BashCompSubdirsInDir = "cobra_annotation_bash_completion_subdirs_in_dir" +) + +func writePreamble(buf *bytes.Buffer, name string) { + buf.WriteString(fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name)) + buf.WriteString(fmt.Sprintf(` +__%[1]s_debug() +{ + if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then + echo "$*" >> "${BASH_COMP_DEBUG_FILE}" + fi +} + +# Homebrew on Macs have version 1.3 of bash-completion which doesn't include +# _init_completion. This is a very minimal version of that function. +__%[1]s_init_completion() +{ + COMPREPLY=() + _get_comp_words_by_ref "$@" cur prev words cword +} + +__%[1]s_index_of_word() +{ + local w word=$1 + shift + index=0 + for w in "$@"; do + [[ $w = "$word" ]] && return + index=$((index+1)) + done + index=-1 +} + +__%[1]s_contains_word() +{ + local w word=$1; shift + for w in "$@"; do + [[ $w = "$word" ]] && return + done + return 1 +} + +__%[1]s_handle_go_custom_completion() +{ + __%[1]s_debug "${FUNCNAME[0]}: cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}" + + local shellCompDirectiveError=%[3]d + local shellCompDirectiveNoSpace=%[4]d + local shellCompDirectiveNoFileComp=%[5]d + local shellCompDirectiveFilterFileExt=%[6]d + local shellCompDirectiveFilterDirs=%[7]d + + local out requestComp lastParam lastChar comp directive args + + # Prepare the command to request completions for the program. + # Calling ${words[0]} instead of directly %[1]s allows to handle aliases + args=("${words[@]:1}") + requestComp="${words[0]} %[2]s ${args[*]}" + + lastParam=${words[$((${#words[@]}-1))]} + lastChar=${lastParam:$((${#lastParam}-1)):1} + __%[1]s_debug "${FUNCNAME[0]}: lastParam ${lastParam}, lastChar ${lastChar}" + + if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then + # If the last parameter is complete (there is a space following it) + # We add an extra empty parameter so we can indicate this to the go method. + __%[1]s_debug "${FUNCNAME[0]}: Adding extra empty parameter" + requestComp="${requestComp} \"\"" + fi + + __%[1]s_debug "${FUNCNAME[0]}: calling ${requestComp}" + # Use eval to handle any environment variables and such + out=$(eval "${requestComp}" 2>/dev/null) + + # Extract the directive integer at the very end of the output following a colon (:) + directive=${out##*:} + # Remove the directive + out=${out%%:*} + if [ "${directive}" = "${out}" ]; then + # There is not directive specified + directive=0 + fi + __%[1]s_debug "${FUNCNAME[0]}: the completion directive is: ${directive}" + __%[1]s_debug "${FUNCNAME[0]}: the completions are: ${out[*]}" + + if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then + # Error code. No completion. + __%[1]s_debug "${FUNCNAME[0]}: received error from custom completion go code" + return + else + if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then + if [[ $(type -t compopt) = "builtin" ]]; then + __%[1]s_debug "${FUNCNAME[0]}: activating no space" + compopt -o nospace + fi + fi + if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then + if [[ $(type -t compopt) = "builtin" ]]; then + __%[1]s_debug "${FUNCNAME[0]}: activating no file completion" + compopt +o default + fi + fi + fi + + if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then + # File extension filtering + local fullFilter filter filteringCmd + # Do not use quotes around the $out variable or else newline + # characters will be kept. + for filter in ${out[*]}; do + fullFilter+="$filter|" + done + + filteringCmd="_filedir $fullFilter" + __%[1]s_debug "File filtering command: $filteringCmd" + $filteringCmd + elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then + # File completion for directories only + local subDir + # Use printf to strip any trailing newline + subdir=$(printf "%%s" "${out[0]}") + if [ -n "$subdir" ]; then + __%[1]s_debug "Listing directories in $subdir" + __%[1]s_handle_subdirs_in_dir_flag "$subdir" + else + __%[1]s_debug "Listing directories in ." + _filedir -d + fi + else + while IFS='' read -r comp; do + COMPREPLY+=("$comp") + done < <(compgen -W "${out[*]}" -- "$cur") + fi +} + +__%[1]s_handle_reply() +{ + __%[1]s_debug "${FUNCNAME[0]}" + local comp + case $cur in + -*) + if [[ $(type -t compopt) = "builtin" ]]; then + compopt -o nospace + fi + local allflags + if [ ${#must_have_one_flag[@]} -ne 0 ]; then + allflags=("${must_have_one_flag[@]}") + else + allflags=("${flags[*]} ${two_word_flags[*]}") + fi + while IFS='' read -r comp; do + COMPREPLY+=("$comp") + done < <(compgen -W "${allflags[*]}" -- "$cur") + if [[ $(type -t compopt) = "builtin" ]]; then + [[ "${COMPREPLY[0]}" == *= ]] || compopt +o nospace + fi + + # complete after --flag=abc + if [[ $cur == *=* ]]; then + if [[ $(type -t compopt) = "builtin" ]]; then + compopt +o nospace + fi + + local index flag + flag="${cur%%=*}" + __%[1]s_index_of_word "${flag}" "${flags_with_completion[@]}" + COMPREPLY=() + if [[ ${index} -ge 0 ]]; then + PREFIX="" + cur="${cur#*=}" + ${flags_completion[${index}]} + if [ -n "${ZSH_VERSION}" ]; then + # zsh completion needs --flag= prefix + eval "COMPREPLY=( \"\${COMPREPLY[@]/#/${flag}=}\" )" + fi + fi + fi + return 0; + ;; + esac + + # check if we are handling a flag with special work handling + local index + __%[1]s_index_of_word "${prev}" "${flags_with_completion[@]}" + if [[ ${index} -ge 0 ]]; then + ${flags_completion[${index}]} + return + fi + + # we are parsing a flag and don't have a special handler, no completion + if [[ ${cur} != "${words[cword]}" ]]; then + return + fi + + local completions + completions=("${commands[@]}") + if [[ ${#must_have_one_noun[@]} -ne 0 ]]; then + completions+=("${must_have_one_noun[@]}") + elif [[ -n "${has_completion_function}" ]]; then + # if a go completion function is provided, defer to that function + __%[1]s_handle_go_custom_completion + fi + if [[ ${#must_have_one_flag[@]} -ne 0 ]]; then + completions+=("${must_have_one_flag[@]}") + fi + while IFS='' read -r comp; do + COMPREPLY+=("$comp") + done < <(compgen -W "${completions[*]}" -- "$cur") + + if [[ ${#COMPREPLY[@]} -eq 0 && ${#noun_aliases[@]} -gt 0 && ${#must_have_one_noun[@]} -ne 0 ]]; then + while IFS='' read -r comp; do + COMPREPLY+=("$comp") + done < <(compgen -W "${noun_aliases[*]}" -- "$cur") + fi + + if [[ ${#COMPREPLY[@]} -eq 0 ]]; then + if declare -F __%[1]s_custom_func >/dev/null; then + # try command name qualified custom func + __%[1]s_custom_func + else + # otherwise fall back to unqualified for compatibility + declare -F __custom_func >/dev/null && __custom_func + fi + fi + + # available in bash-completion >= 2, not always present on macOS + if declare -F __ltrim_colon_completions >/dev/null; then + __ltrim_colon_completions "$cur" + fi + + # If there is only 1 completion and it is a flag with an = it will be completed + # but we don't want a space after the = + if [[ "${#COMPREPLY[@]}" -eq "1" ]] && [[ $(type -t compopt) = "builtin" ]] && [[ "${COMPREPLY[0]}" == --*= ]]; then + compopt -o nospace + fi +} + +# The arguments should be in the form "ext1|ext2|extn" +__%[1]s_handle_filename_extension_flag() +{ + local ext="$1" + _filedir "@(${ext})" +} + +__%[1]s_handle_subdirs_in_dir_flag() +{ + local dir="$1" + pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return +} + +__%[1]s_handle_flag() +{ + __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" + + # if a command required a flag, and we found it, unset must_have_one_flag() + local flagname=${words[c]} + local flagvalue + # if the word contained an = + if [[ ${words[c]} == *"="* ]]; then + flagvalue=${flagname#*=} # take in as flagvalue after the = + flagname=${flagname%%=*} # strip everything after the = + flagname="${flagname}=" # but put the = back + fi + __%[1]s_debug "${FUNCNAME[0]}: looking for ${flagname}" + if __%[1]s_contains_word "${flagname}" "${must_have_one_flag[@]}"; then + must_have_one_flag=() + fi + + # if you set a flag which only applies to this command, don't show subcommands + if __%[1]s_contains_word "${flagname}" "${local_nonpersistent_flags[@]}"; then + commands=() + fi + + # keep flag value with flagname as flaghash + # flaghash variable is an associative array which is only supported in bash > 3. + if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then + if [ -n "${flagvalue}" ] ; then + flaghash[${flagname}]=${flagvalue} + elif [ -n "${words[ $((c+1)) ]}" ] ; then + flaghash[${flagname}]=${words[ $((c+1)) ]} + else + flaghash[${flagname}]="true" # pad "true" for bool flag + fi + fi + + # skip the argument to a two word flag + if [[ ${words[c]} != *"="* ]] && __%[1]s_contains_word "${words[c]}" "${two_word_flags[@]}"; then + __%[1]s_debug "${FUNCNAME[0]}: found a flag ${words[c]}, skip the next argument" + c=$((c+1)) + # if we are looking for a flags value, don't show commands + if [[ $c -eq $cword ]]; then + commands=() + fi + fi + + c=$((c+1)) + +} + +__%[1]s_handle_noun() +{ + __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" + + if __%[1]s_contains_word "${words[c]}" "${must_have_one_noun[@]}"; then + must_have_one_noun=() + elif __%[1]s_contains_word "${words[c]}" "${noun_aliases[@]}"; then + must_have_one_noun=() + fi + + nouns+=("${words[c]}") + c=$((c+1)) +} + +__%[1]s_handle_command() +{ + __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" + + local next_command + if [[ -n ${last_command} ]]; then + next_command="_${last_command}_${words[c]//:/__}" + else + if [[ $c -eq 0 ]]; then + next_command="_%[1]s_root_command" + else + next_command="_${words[c]//:/__}" + fi + fi + c=$((c+1)) + __%[1]s_debug "${FUNCNAME[0]}: looking for ${next_command}" + declare -F "$next_command" >/dev/null && $next_command +} + +__%[1]s_handle_word() +{ + if [[ $c -ge $cword ]]; then + __%[1]s_handle_reply + return + fi + __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" + if [[ "${words[c]}" == -* ]]; then + __%[1]s_handle_flag + elif __%[1]s_contains_word "${words[c]}" "${commands[@]}"; then + __%[1]s_handle_command + elif [[ $c -eq 0 ]]; then + __%[1]s_handle_command + elif __%[1]s_contains_word "${words[c]}" "${command_aliases[@]}"; then + # aliashash variable is an associative array which is only supported in bash > 3. + if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then + words[c]=${aliashash[${words[c]}]} + __%[1]s_handle_command + else + __%[1]s_handle_noun + fi + else + __%[1]s_handle_noun + fi + __%[1]s_handle_word +} + +`, name, ShellCompNoDescRequestCmd, + ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp, + ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs)) +} + +func writePostscript(buf *bytes.Buffer, name string) { + name = strings.Replace(name, ":", "__", -1) + buf.WriteString(fmt.Sprintf("__start_%s()\n", name)) + buf.WriteString(fmt.Sprintf(`{ + local cur prev words cword + declare -A flaghash 2>/dev/null || : + declare -A aliashash 2>/dev/null || : + if declare -F _init_completion >/dev/null 2>&1; then + _init_completion -s || return + else + __%[1]s_init_completion -n "=" || return + fi + + local c=0 + local flags=() + local two_word_flags=() + local local_nonpersistent_flags=() + local flags_with_completion=() + local flags_completion=() + local commands=("%[1]s") + local must_have_one_flag=() + local must_have_one_noun=() + local has_completion_function + local last_command + local nouns=() + + __%[1]s_handle_word +} + +`, name)) + buf.WriteString(fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then + complete -o default -F __start_%s %s +else + complete -o default -o nospace -F __start_%s %s +fi + +`, name, name, name, name)) + buf.WriteString("# ex: ts=4 sw=4 et filetype=sh\n") +} + +func writeCommands(buf *bytes.Buffer, cmd *Command) { + buf.WriteString(" commands=()\n") + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() && c != cmd.helpCommand { + continue + } + buf.WriteString(fmt.Sprintf(" commands+=(%q)\n", c.Name())) + writeCmdAliases(buf, c) + } + buf.WriteString("\n") +} + +func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]string, cmd *Command) { + for key, value := range annotations { + switch key { + case BashCompFilenameExt: + buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) + + var ext string + if len(value) > 0 { + ext = fmt.Sprintf("__%s_handle_filename_extension_flag ", cmd.Root().Name()) + strings.Join(value, "|") + } else { + ext = "_filedir" + } + buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", ext)) + case BashCompCustom: + buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) + if len(value) > 0 { + handlers := strings.Join(value, "; ") + buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", handlers)) + } else { + buf.WriteString(" flags_completion+=(:)\n") + } + case BashCompSubdirsInDir: + buf.WriteString(fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) + + var ext string + if len(value) == 1 { + ext = fmt.Sprintf("__%s_handle_subdirs_in_dir_flag ", cmd.Root().Name()) + value[0] + } else { + ext = "_filedir -d" + } + buf.WriteString(fmt.Sprintf(" flags_completion+=(%q)\n", ext)) + } + } +} + +func writeShortFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) { + name := flag.Shorthand + format := " " + if len(flag.NoOptDefVal) == 0 { + format += "two_word_" + } + format += "flags+=(\"-%s\")\n" + buf.WriteString(fmt.Sprintf(format, name)) + writeFlagHandler(buf, "-"+name, flag.Annotations, cmd) +} + +func writeFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) { + name := flag.Name + format := " flags+=(\"--%s" + if len(flag.NoOptDefVal) == 0 { + format += "=" + } + format += "\")\n" + buf.WriteString(fmt.Sprintf(format, name)) + if len(flag.NoOptDefVal) == 0 { + format = " two_word_flags+=(\"--%s\")\n" + buf.WriteString(fmt.Sprintf(format, name)) + } + writeFlagHandler(buf, "--"+name, flag.Annotations, cmd) +} + +func writeLocalNonPersistentFlag(buf *bytes.Buffer, flag *pflag.Flag) { + name := flag.Name + format := " local_nonpersistent_flags+=(\"--%[1]s\")\n" + if len(flag.NoOptDefVal) == 0 { + format += " local_nonpersistent_flags+=(\"--%[1]s=\")\n" + } + buf.WriteString(fmt.Sprintf(format, name)) + if len(flag.Shorthand) > 0 { + buf.WriteString(fmt.Sprintf(" local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand)) + } +} + +// Setup annotations for go completions for registered flags +func prepareCustomAnnotationsForFlags(cmd *Command) { + for flag := range flagCompletionFunctions { + // Make sure the completion script calls the __*_go_custom_completion function for + // every registered flag. We need to do this here (and not when the flag was registered + // for completion) so that we can know the root command name for the prefix + // of ___go_custom_completion + if flag.Annotations == nil { + flag.Annotations = map[string][]string{} + } + flag.Annotations[BashCompCustom] = []string{fmt.Sprintf("__%[1]s_handle_go_custom_completion", cmd.Root().Name())} + } +} + +func writeFlags(buf *bytes.Buffer, cmd *Command) { + prepareCustomAnnotationsForFlags(cmd) + buf.WriteString(` flags=() + two_word_flags=() + local_nonpersistent_flags=() + flags_with_completion=() + flags_completion=() + +`) + localNonPersistentFlags := cmd.LocalNonPersistentFlags() + cmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) { + if nonCompletableFlag(flag) { + return + } + writeFlag(buf, flag, cmd) + if len(flag.Shorthand) > 0 { + writeShortFlag(buf, flag, cmd) + } + // localNonPersistentFlags are used to stop the completion of subcommands when one is set + // if TraverseChildren is true we should allow to complete subcommands + if localNonPersistentFlags.Lookup(flag.Name) != nil && !cmd.Root().TraverseChildren { + writeLocalNonPersistentFlag(buf, flag) + } + }) + cmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) { + if nonCompletableFlag(flag) { + return + } + writeFlag(buf, flag, cmd) + if len(flag.Shorthand) > 0 { + writeShortFlag(buf, flag, cmd) + } + }) + + buf.WriteString("\n") +} + +func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) { + buf.WriteString(" must_have_one_flag=()\n") + flags := cmd.NonInheritedFlags() + flags.VisitAll(func(flag *pflag.Flag) { + if nonCompletableFlag(flag) { + return + } + for key := range flag.Annotations { + switch key { + case BashCompOneRequiredFlag: + format := " must_have_one_flag+=(\"--%s" + if flag.Value.Type() != "bool" { + format += "=" + } + format += "\")\n" + buf.WriteString(fmt.Sprintf(format, flag.Name)) + + if len(flag.Shorthand) > 0 { + buf.WriteString(fmt.Sprintf(" must_have_one_flag+=(\"-%s\")\n", flag.Shorthand)) + } + } + } + }) +} + +func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) { + buf.WriteString(" must_have_one_noun=()\n") + sort.Sort(sort.StringSlice(cmd.ValidArgs)) + for _, value := range cmd.ValidArgs { + // Remove any description that may be included following a tab character. + // Descriptions are not supported by bash completion. + value = strings.Split(value, "\t")[0] + buf.WriteString(fmt.Sprintf(" must_have_one_noun+=(%q)\n", value)) + } + if cmd.ValidArgsFunction != nil { + buf.WriteString(" has_completion_function=1\n") + } +} + +func writeCmdAliases(buf *bytes.Buffer, cmd *Command) { + if len(cmd.Aliases) == 0 { + return + } + + sort.Sort(sort.StringSlice(cmd.Aliases)) + + buf.WriteString(fmt.Sprint(` if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n")) + for _, value := range cmd.Aliases { + buf.WriteString(fmt.Sprintf(" command_aliases+=(%q)\n", value)) + buf.WriteString(fmt.Sprintf(" aliashash[%q]=%q\n", value, cmd.Name())) + } + buf.WriteString(` fi`) + buf.WriteString("\n") +} +func writeArgAliases(buf *bytes.Buffer, cmd *Command) { + buf.WriteString(" noun_aliases=()\n") + sort.Sort(sort.StringSlice(cmd.ArgAliases)) + for _, value := range cmd.ArgAliases { + buf.WriteString(fmt.Sprintf(" noun_aliases+=(%q)\n", value)) + } +} + +func gen(buf *bytes.Buffer, cmd *Command) { + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() && c != cmd.helpCommand { + continue + } + gen(buf, c) + } + commandName := cmd.CommandPath() + commandName = strings.Replace(commandName, " ", "_", -1) + commandName = strings.Replace(commandName, ":", "__", -1) + + if cmd.Root() == cmd { + buf.WriteString(fmt.Sprintf("_%s_root_command()\n{\n", commandName)) + } else { + buf.WriteString(fmt.Sprintf("_%s()\n{\n", commandName)) + } + + buf.WriteString(fmt.Sprintf(" last_command=%q\n", commandName)) + buf.WriteString("\n") + buf.WriteString(" command_aliases=()\n") + buf.WriteString("\n") + + writeCommands(buf, cmd) + writeFlags(buf, cmd) + writeRequiredFlag(buf, cmd) + writeRequiredNouns(buf, cmd) + writeArgAliases(buf, cmd) + buf.WriteString("}\n\n") +} + +// GenBashCompletion generates bash completion file and writes to the passed writer. +func (c *Command) GenBashCompletion(w io.Writer) error { + buf := new(bytes.Buffer) + writePreamble(buf, c.Name()) + if len(c.BashCompletionFunction) > 0 { + buf.WriteString(c.BashCompletionFunction + "\n") + } + gen(buf, c) + writePostscript(buf, c.Name()) + + _, err := buf.WriteTo(w) + return err +} + +func nonCompletableFlag(flag *pflag.Flag) bool { + return flag.Hidden || len(flag.Deprecated) > 0 +} + +// GenBashCompletionFile generates bash completion file. +func (c *Command) GenBashCompletionFile(filename string) error { + outFile, err := os.Create(filename) + if err != nil { + return err + } + defer outFile.Close() + + return c.GenBashCompletion(outFile) +} diff --git a/vendor/github.com/spf13/cobra/bash_completions.md b/vendor/github.com/spf13/cobra/bash_completions.md new file mode 100644 index 0000000..a82d5bb --- /dev/null +++ b/vendor/github.com/spf13/cobra/bash_completions.md @@ -0,0 +1,91 @@ +# Generating Bash Completions For Your cobra.Command + +Please refer to [Shell Completions](shell_completions.md) for details. + +## Bash legacy dynamic completions + +For backwards-compatibility, Cobra still supports its legacy dynamic completion solution (described below). Unlike the `ValidArgsFunction` solution, the legacy solution will only work for Bash shell-completion and not for other shells. This legacy solution can be used along-side `ValidArgsFunction` and `RegisterFlagCompletionFunc()`, as long as both solutions are not used for the same command. This provides a path to gradually migrate from the legacy solution to the new solution. + +The legacy solution allows you to inject bash functions into the bash completion script. Those bash functions are responsible for providing the completion choices for your own completions. + +Some code that works in kubernetes: + +```bash +const ( + bash_completion_func = `__kubectl_parse_get() +{ + local kubectl_output out + if kubectl_output=$(kubectl get --no-headers "$1" 2>/dev/null); then + out=($(echo "${kubectl_output}" | awk '{print $1}')) + COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) ) + fi +} + +__kubectl_get_resource() +{ + if [[ ${#nouns[@]} -eq 0 ]]; then + return 1 + fi + __kubectl_parse_get ${nouns[${#nouns[@]} -1]} + if [[ $? -eq 0 ]]; then + return 0 + fi +} + +__kubectl_custom_func() { + case ${last_command} in + kubectl_get | kubectl_describe | kubectl_delete | kubectl_stop) + __kubectl_get_resource + return + ;; + *) + ;; + esac +} +`) +``` + +And then I set that in my command definition: + +```go +cmds := &cobra.Command{ + Use: "kubectl", + Short: "kubectl controls the Kubernetes cluster manager", + Long: `kubectl controls the Kubernetes cluster manager. + +Find more information at https://github.com/GoogleCloudPlatform/kubernetes.`, + Run: runHelp, + BashCompletionFunction: bash_completion_func, +} +``` + +The `BashCompletionFunction` option is really only valid/useful on the root command. Doing the above will cause `__kubectl_custom_func()` (`___custom_func()`) to be called when the built in processor was unable to find a solution. In the case of kubernetes a valid command might look something like `kubectl get pod [mypod]`. If you type `kubectl get pod [tab][tab]` the `__kubectl_customc_func()` will run because the cobra.Command only understood "kubectl" and "get." `__kubectl_custom_func()` will see that the cobra.Command is "kubectl_get" and will thus call another helper `__kubectl_get_resource()`. `__kubectl_get_resource` will look at the 'nouns' collected. In our example the only noun will be `pod`. So it will call `__kubectl_parse_get pod`. `__kubectl_parse_get` will actually call out to kubernetes and get any pods. It will then set `COMPREPLY` to valid pods! + +Similarly, for flags: + +```go + annotation := make(map[string][]string) + annotation[cobra.BashCompCustom] = []string{"__kubectl_get_namespaces"} + + flag := &pflag.Flag{ + Name: "namespace", + Usage: usage, + Annotations: annotation, + } + cmd.Flags().AddFlag(flag) +``` + +In addition add the `__kubectl_get_namespaces` implementation in the `BashCompletionFunction` +value, e.g.: + +```bash +__kubectl_get_namespaces() +{ + local template + template="{{ range .items }}{{ .metadata.name }} {{ end }}" + local kubectl_out + if kubectl_out=$(kubectl get -o template --template="${template}" namespace 2>/dev/null); then + COMPREPLY=( $( compgen -W "${kubectl_out}[*]" -- "$cur" ) ) + fi +} +``` diff --git a/vendor/github.com/spf13/cobra/cobra.go b/vendor/github.com/spf13/cobra/cobra.go new file mode 100644 index 0000000..d01becc --- /dev/null +++ b/vendor/github.com/spf13/cobra/cobra.go @@ -0,0 +1,207 @@ +// Copyright © 2013 Steve Francia . +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Commands similar to git, go tools and other modern CLI tools +// inspired by go, go-Commander, gh and subcommand + +package cobra + +import ( + "fmt" + "io" + "reflect" + "strconv" + "strings" + "text/template" + "time" + "unicode" +) + +var templateFuncs = template.FuncMap{ + "trim": strings.TrimSpace, + "trimRightSpace": trimRightSpace, + "trimTrailingWhitespaces": trimRightSpace, + "appendIfNotPresent": appendIfNotPresent, + "rpad": rpad, + "gt": Gt, + "eq": Eq, +} + +var initializers []func() + +// EnablePrefixMatching allows to set automatic prefix matching. Automatic prefix matching can be a dangerous thing +// to automatically enable in CLI tools. +// Set this to true to enable it. +var EnablePrefixMatching = false + +// EnableCommandSorting controls sorting of the slice of commands, which is turned on by default. +// To disable sorting, set it to false. +var EnableCommandSorting = true + +// MousetrapHelpText enables an information splash screen on Windows +// if the CLI is started from explorer.exe. +// To disable the mousetrap, just set this variable to blank string (""). +// Works only on Microsoft Windows. +var MousetrapHelpText = `This is a command line tool. + +You need to open cmd.exe and run it from there. +` + +// MousetrapDisplayDuration controls how long the MousetrapHelpText message is displayed on Windows +// if the CLI is started from explorer.exe. Set to 0 to wait for the return key to be pressed. +// To disable the mousetrap, just set MousetrapHelpText to blank string (""). +// Works only on Microsoft Windows. +var MousetrapDisplayDuration = 5 * time.Second + +// AddTemplateFunc adds a template function that's available to Usage and Help +// template generation. +func AddTemplateFunc(name string, tmplFunc interface{}) { + templateFuncs[name] = tmplFunc +} + +// AddTemplateFuncs adds multiple template functions that are available to Usage and +// Help template generation. +func AddTemplateFuncs(tmplFuncs template.FuncMap) { + for k, v := range tmplFuncs { + templateFuncs[k] = v + } +} + +// OnInitialize sets the passed functions to be run when each command's +// Execute method is called. +func OnInitialize(y ...func()) { + initializers = append(initializers, y...) +} + +// FIXME Gt is unused by cobra and should be removed in a version 2. It exists only for compatibility with users of cobra. + +// Gt takes two types and checks whether the first type is greater than the second. In case of types Arrays, Chans, +// Maps and Slices, Gt will compare their lengths. Ints are compared directly while strings are first parsed as +// ints and then compared. +func Gt(a interface{}, b interface{}) bool { + var left, right int64 + av := reflect.ValueOf(a) + + switch av.Kind() { + case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice: + left = int64(av.Len()) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + left = av.Int() + case reflect.String: + left, _ = strconv.ParseInt(av.String(), 10, 64) + } + + bv := reflect.ValueOf(b) + + switch bv.Kind() { + case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice: + right = int64(bv.Len()) + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + right = bv.Int() + case reflect.String: + right, _ = strconv.ParseInt(bv.String(), 10, 64) + } + + return left > right +} + +// FIXME Eq is unused by cobra and should be removed in a version 2. It exists only for compatibility with users of cobra. + +// Eq takes two types and checks whether they are equal. Supported types are int and string. Unsupported types will panic. +func Eq(a interface{}, b interface{}) bool { + av := reflect.ValueOf(a) + bv := reflect.ValueOf(b) + + switch av.Kind() { + case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice: + panic("Eq called on unsupported type") + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return av.Int() == bv.Int() + case reflect.String: + return av.String() == bv.String() + } + return false +} + +func trimRightSpace(s string) string { + return strings.TrimRightFunc(s, unicode.IsSpace) +} + +// FIXME appendIfNotPresent is unused by cobra and should be removed in a version 2. It exists only for compatibility with users of cobra. + +// appendIfNotPresent will append stringToAppend to the end of s, but only if it's not yet present in s. +func appendIfNotPresent(s, stringToAppend string) string { + if strings.Contains(s, stringToAppend) { + return s + } + return s + " " + stringToAppend +} + +// rpad adds padding to the right of a string. +func rpad(s string, padding int) string { + template := fmt.Sprintf("%%-%ds", padding) + return fmt.Sprintf(template, s) +} + +// tmpl executes the given template text on data, writing the result to w. +func tmpl(w io.Writer, text string, data interface{}) error { + t := template.New("top") + t.Funcs(templateFuncs) + template.Must(t.Parse(text)) + return t.Execute(w, data) +} + +// ld compares two strings and returns the levenshtein distance between them. +func ld(s, t string, ignoreCase bool) int { + if ignoreCase { + s = strings.ToLower(s) + t = strings.ToLower(t) + } + d := make([][]int, len(s)+1) + for i := range d { + d[i] = make([]int, len(t)+1) + } + for i := range d { + d[i][0] = i + } + for j := range d[0] { + d[0][j] = j + } + for j := 1; j <= len(t); j++ { + for i := 1; i <= len(s); i++ { + if s[i-1] == t[j-1] { + d[i][j] = d[i-1][j-1] + } else { + min := d[i-1][j] + if d[i][j-1] < min { + min = d[i][j-1] + } + if d[i-1][j-1] < min { + min = d[i-1][j-1] + } + d[i][j] = min + 1 + } + } + + } + return d[len(s)][len(t)] +} + +func stringInSlice(a string, list []string) bool { + for _, b := range list { + if b == a { + return true + } + } + return false +} diff --git a/vendor/github.com/spf13/cobra/command.go b/vendor/github.com/spf13/cobra/command.go new file mode 100644 index 0000000..77b399e --- /dev/null +++ b/vendor/github.com/spf13/cobra/command.go @@ -0,0 +1,1664 @@ +// Copyright © 2013 Steve Francia . +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package cobra is a commander providing a simple interface to create powerful modern CLI interfaces. +// In addition to providing an interface, Cobra simultaneously provides a controller to organize your application code. +package cobra + +import ( + "bytes" + "context" + "fmt" + "io" + "os" + "path/filepath" + "sort" + "strings" + + flag "github.com/spf13/pflag" +) + +// FParseErrWhitelist configures Flag parse errors to be ignored +type FParseErrWhitelist flag.ParseErrorsWhitelist + +// Command is just that, a command for your application. +// E.g. 'go run ...' - 'run' is the command. Cobra requires +// you to define the usage and description as part of your command +// definition to ensure usability. +type Command struct { + // Use is the one-line usage message. + // Recommended syntax is as follow: + // [ ] identifies an optional argument. Arguments that are not enclosed in brackets are required. + // ... indicates that you can specify multiple values for the previous argument. + // | indicates mutually exclusive information. You can use the argument to the left of the separator or the + // argument to the right of the separator. You cannot use both arguments in a single use of the command. + // { } delimits a set of mutually exclusive arguments when one of the arguments is required. If the arguments are + // optional, they are enclosed in brackets ([ ]). + // Example: add [-F file | -D dir]... [-f format] profile + Use string + + // Aliases is an array of aliases that can be used instead of the first word in Use. + Aliases []string + + // SuggestFor is an array of command names for which this command will be suggested - + // similar to aliases but only suggests. + SuggestFor []string + + // Short is the short description shown in the 'help' output. + Short string + + // Long is the long message shown in the 'help ' output. + Long string + + // Example is examples of how to use the command. + Example string + + // ValidArgs is list of all valid non-flag arguments that are accepted in bash completions + ValidArgs []string + // ValidArgsFunction is an optional function that provides valid non-flag arguments for bash completion. + // It is a dynamic version of using ValidArgs. + // Only one of ValidArgs and ValidArgsFunction can be used for a command. + ValidArgsFunction func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) + + // Expected arguments + Args PositionalArgs + + // ArgAliases is List of aliases for ValidArgs. + // These are not suggested to the user in the bash completion, + // but accepted if entered manually. + ArgAliases []string + + // BashCompletionFunction is custom functions used by the bash autocompletion generator. + BashCompletionFunction string + + // Deprecated defines, if this command is deprecated and should print this string when used. + Deprecated string + + // Hidden defines, if this command is hidden and should NOT show up in the list of available commands. + Hidden bool + + // Annotations are key/value pairs that can be used by applications to identify or + // group commands. + Annotations map[string]string + + // Version defines the version for this command. If this value is non-empty and the command does not + // define a "version" flag, a "version" boolean flag will be added to the command and, if specified, + // will print content of the "Version" variable. A shorthand "v" flag will also be added if the + // command does not define one. + Version string + + // The *Run functions are executed in the following order: + // * PersistentPreRun() + // * PreRun() + // * Run() + // * PostRun() + // * PersistentPostRun() + // All functions get the same args, the arguments after the command name. + // + // PersistentPreRun: children of this command will inherit and execute. + PersistentPreRun func(cmd *Command, args []string) + // PersistentPreRunE: PersistentPreRun but returns an error. + PersistentPreRunE func(cmd *Command, args []string) error + // PreRun: children of this command will not inherit. + PreRun func(cmd *Command, args []string) + // PreRunE: PreRun but returns an error. + PreRunE func(cmd *Command, args []string) error + // Run: Typically the actual work function. Most commands will only implement this. + Run func(cmd *Command, args []string) + // RunE: Run but returns an error. + RunE func(cmd *Command, args []string) error + // PostRun: run after the Run command. + PostRun func(cmd *Command, args []string) + // PostRunE: PostRun but returns an error. + PostRunE func(cmd *Command, args []string) error + // PersistentPostRun: children of this command will inherit and execute after PostRun. + PersistentPostRun func(cmd *Command, args []string) + // PersistentPostRunE: PersistentPostRun but returns an error. + PersistentPostRunE func(cmd *Command, args []string) error + + // SilenceErrors is an option to quiet errors down stream. + SilenceErrors bool + + // SilenceUsage is an option to silence usage when an error occurs. + SilenceUsage bool + + // DisableFlagParsing disables the flag parsing. + // If this is true all flags will be passed to the command as arguments. + DisableFlagParsing bool + + // DisableAutoGenTag defines, if gen tag ("Auto generated by spf13/cobra...") + // will be printed by generating docs for this command. + DisableAutoGenTag bool + + // DisableFlagsInUseLine will disable the addition of [flags] to the usage + // line of a command when printing help or generating docs + DisableFlagsInUseLine bool + + // DisableSuggestions disables the suggestions based on Levenshtein distance + // that go along with 'unknown command' messages. + DisableSuggestions bool + // SuggestionsMinimumDistance defines minimum levenshtein distance to display suggestions. + // Must be > 0. + SuggestionsMinimumDistance int + + // TraverseChildren parses flags on all parents before executing child command. + TraverseChildren bool + + // FParseErrWhitelist flag parse errors to be ignored + FParseErrWhitelist FParseErrWhitelist + + ctx context.Context + + // commands is the list of commands supported by this program. + commands []*Command + // parent is a parent command for this command. + parent *Command + // Max lengths of commands' string lengths for use in padding. + commandsMaxUseLen int + commandsMaxCommandPathLen int + commandsMaxNameLen int + // commandsAreSorted defines, if command slice are sorted or not. + commandsAreSorted bool + // commandCalledAs is the name or alias value used to call this command. + commandCalledAs struct { + name string + called bool + } + + // args is actual args parsed from flags. + args []string + // flagErrorBuf contains all error messages from pflag. + flagErrorBuf *bytes.Buffer + // flags is full set of flags. + flags *flag.FlagSet + // pflags contains persistent flags. + pflags *flag.FlagSet + // lflags contains local flags. + lflags *flag.FlagSet + // iflags contains inherited flags. + iflags *flag.FlagSet + // parentsPflags is all persistent flags of cmd's parents. + parentsPflags *flag.FlagSet + // globNormFunc is the global normalization function + // that we can use on every pflag set and children commands + globNormFunc func(f *flag.FlagSet, name string) flag.NormalizedName + + // usageFunc is usage func defined by user. + usageFunc func(*Command) error + // usageTemplate is usage template defined by user. + usageTemplate string + // flagErrorFunc is func defined by user and it's called when the parsing of + // flags returns an error. + flagErrorFunc func(*Command, error) error + // helpTemplate is help template defined by user. + helpTemplate string + // helpFunc is help func defined by user. + helpFunc func(*Command, []string) + // helpCommand is command with usage 'help'. If it's not defined by user, + // cobra uses default help command. + helpCommand *Command + // versionTemplate is the version template defined by user. + versionTemplate string + + // inReader is a reader defined by the user that replaces stdin + inReader io.Reader + // outWriter is a writer defined by the user that replaces stdout + outWriter io.Writer + // errWriter is a writer defined by the user that replaces stderr + errWriter io.Writer +} + +// Context returns underlying command context. If command wasn't +// executed with ExecuteContext Context returns Background context. +func (c *Command) Context() context.Context { + return c.ctx +} + +// SetArgs sets arguments for the command. It is set to os.Args[1:] by default, if desired, can be overridden +// particularly useful when testing. +func (c *Command) SetArgs(a []string) { + c.args = a +} + +// SetOutput sets the destination for usage and error messages. +// If output is nil, os.Stderr is used. +// Deprecated: Use SetOut and/or SetErr instead +func (c *Command) SetOutput(output io.Writer) { + c.outWriter = output + c.errWriter = output +} + +// SetOut sets the destination for usage messages. +// If newOut is nil, os.Stdout is used. +func (c *Command) SetOut(newOut io.Writer) { + c.outWriter = newOut +} + +// SetErr sets the destination for error messages. +// If newErr is nil, os.Stderr is used. +func (c *Command) SetErr(newErr io.Writer) { + c.errWriter = newErr +} + +// SetIn sets the source for input data +// If newIn is nil, os.Stdin is used. +func (c *Command) SetIn(newIn io.Reader) { + c.inReader = newIn +} + +// SetUsageFunc sets usage function. Usage can be defined by application. +func (c *Command) SetUsageFunc(f func(*Command) error) { + c.usageFunc = f +} + +// SetUsageTemplate sets usage template. Can be defined by Application. +func (c *Command) SetUsageTemplate(s string) { + c.usageTemplate = s +} + +// SetFlagErrorFunc sets a function to generate an error when flag parsing +// fails. +func (c *Command) SetFlagErrorFunc(f func(*Command, error) error) { + c.flagErrorFunc = f +} + +// SetHelpFunc sets help function. Can be defined by Application. +func (c *Command) SetHelpFunc(f func(*Command, []string)) { + c.helpFunc = f +} + +// SetHelpCommand sets help command. +func (c *Command) SetHelpCommand(cmd *Command) { + c.helpCommand = cmd +} + +// SetHelpTemplate sets help template to be used. Application can use it to set custom template. +func (c *Command) SetHelpTemplate(s string) { + c.helpTemplate = s +} + +// SetVersionTemplate sets version template to be used. Application can use it to set custom template. +func (c *Command) SetVersionTemplate(s string) { + c.versionTemplate = s +} + +// SetGlobalNormalizationFunc sets a normalization function to all flag sets and also to child commands. +// The user should not have a cyclic dependency on commands. +func (c *Command) SetGlobalNormalizationFunc(n func(f *flag.FlagSet, name string) flag.NormalizedName) { + c.Flags().SetNormalizeFunc(n) + c.PersistentFlags().SetNormalizeFunc(n) + c.globNormFunc = n + + for _, command := range c.commands { + command.SetGlobalNormalizationFunc(n) + } +} + +// OutOrStdout returns output to stdout. +func (c *Command) OutOrStdout() io.Writer { + return c.getOut(os.Stdout) +} + +// OutOrStderr returns output to stderr +func (c *Command) OutOrStderr() io.Writer { + return c.getOut(os.Stderr) +} + +// ErrOrStderr returns output to stderr +func (c *Command) ErrOrStderr() io.Writer { + return c.getErr(os.Stderr) +} + +// InOrStdin returns input to stdin +func (c *Command) InOrStdin() io.Reader { + return c.getIn(os.Stdin) +} + +func (c *Command) getOut(def io.Writer) io.Writer { + if c.outWriter != nil { + return c.outWriter + } + if c.HasParent() { + return c.parent.getOut(def) + } + return def +} + +func (c *Command) getErr(def io.Writer) io.Writer { + if c.errWriter != nil { + return c.errWriter + } + if c.HasParent() { + return c.parent.getErr(def) + } + return def +} + +func (c *Command) getIn(def io.Reader) io.Reader { + if c.inReader != nil { + return c.inReader + } + if c.HasParent() { + return c.parent.getIn(def) + } + return def +} + +// UsageFunc returns either the function set by SetUsageFunc for this command +// or a parent, or it returns a default usage function. +func (c *Command) UsageFunc() (f func(*Command) error) { + if c.usageFunc != nil { + return c.usageFunc + } + if c.HasParent() { + return c.Parent().UsageFunc() + } + return func(c *Command) error { + c.mergePersistentFlags() + err := tmpl(c.OutOrStderr(), c.UsageTemplate(), c) + if err != nil { + c.PrintErrln(err) + } + return err + } +} + +// Usage puts out the usage for the command. +// Used when a user provides invalid input. +// Can be defined by user by overriding UsageFunc. +func (c *Command) Usage() error { + return c.UsageFunc()(c) +} + +// HelpFunc returns either the function set by SetHelpFunc for this command +// or a parent, or it returns a function with default help behavior. +func (c *Command) HelpFunc() func(*Command, []string) { + if c.helpFunc != nil { + return c.helpFunc + } + if c.HasParent() { + return c.Parent().HelpFunc() + } + return func(c *Command, a []string) { + c.mergePersistentFlags() + // The help should be sent to stdout + // See https://github.com/spf13/cobra/issues/1002 + err := tmpl(c.OutOrStdout(), c.HelpTemplate(), c) + if err != nil { + c.PrintErrln(err) + } + } +} + +// Help puts out the help for the command. +// Used when a user calls help [command]. +// Can be defined by user by overriding HelpFunc. +func (c *Command) Help() error { + c.HelpFunc()(c, []string{}) + return nil +} + +// UsageString returns usage string. +func (c *Command) UsageString() string { + // Storing normal writers + tmpOutput := c.outWriter + tmpErr := c.errWriter + + bb := new(bytes.Buffer) + c.outWriter = bb + c.errWriter = bb + + c.Usage() + + // Setting things back to normal + c.outWriter = tmpOutput + c.errWriter = tmpErr + + return bb.String() +} + +// FlagErrorFunc returns either the function set by SetFlagErrorFunc for this +// command or a parent, or it returns a function which returns the original +// error. +func (c *Command) FlagErrorFunc() (f func(*Command, error) error) { + if c.flagErrorFunc != nil { + return c.flagErrorFunc + } + + if c.HasParent() { + return c.parent.FlagErrorFunc() + } + return func(c *Command, err error) error { + return err + } +} + +var minUsagePadding = 25 + +// UsagePadding return padding for the usage. +func (c *Command) UsagePadding() int { + if c.parent == nil || minUsagePadding > c.parent.commandsMaxUseLen { + return minUsagePadding + } + return c.parent.commandsMaxUseLen +} + +var minCommandPathPadding = 11 + +// CommandPathPadding return padding for the command path. +func (c *Command) CommandPathPadding() int { + if c.parent == nil || minCommandPathPadding > c.parent.commandsMaxCommandPathLen { + return minCommandPathPadding + } + return c.parent.commandsMaxCommandPathLen +} + +var minNamePadding = 11 + +// NamePadding returns padding for the name. +func (c *Command) NamePadding() int { + if c.parent == nil || minNamePadding > c.parent.commandsMaxNameLen { + return minNamePadding + } + return c.parent.commandsMaxNameLen +} + +// UsageTemplate returns usage template for the command. +func (c *Command) UsageTemplate() string { + if c.usageTemplate != "" { + return c.usageTemplate + } + + if c.HasParent() { + return c.parent.UsageTemplate() + } + return `Usage:{{if .Runnable}} + {{.UseLine}}{{end}}{{if .HasAvailableSubCommands}} + {{.CommandPath}} [command]{{end}}{{if gt (len .Aliases) 0}} + +Aliases: + {{.NameAndAliases}}{{end}}{{if .HasExample}} + +Examples: +{{.Example}}{{end}}{{if .HasAvailableSubCommands}} + +Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}} + {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}} + +Flags: +{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}} + +Global Flags: +{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasHelpSubCommands}} + +Additional help topics:{{range .Commands}}{{if .IsAdditionalHelpTopicCommand}} + {{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableSubCommands}} + +Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}} +` +} + +// HelpTemplate return help template for the command. +func (c *Command) HelpTemplate() string { + if c.helpTemplate != "" { + return c.helpTemplate + } + + if c.HasParent() { + return c.parent.HelpTemplate() + } + return `{{with (or .Long .Short)}}{{. | trimTrailingWhitespaces}} + +{{end}}{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}` +} + +// VersionTemplate return version template for the command. +func (c *Command) VersionTemplate() string { + if c.versionTemplate != "" { + return c.versionTemplate + } + + if c.HasParent() { + return c.parent.VersionTemplate() + } + return `{{with .Name}}{{printf "%s " .}}{{end}}{{printf "version %s" .Version}} +` +} + +func hasNoOptDefVal(name string, fs *flag.FlagSet) bool { + flag := fs.Lookup(name) + if flag == nil { + return false + } + return flag.NoOptDefVal != "" +} + +func shortHasNoOptDefVal(name string, fs *flag.FlagSet) bool { + if len(name) == 0 { + return false + } + + flag := fs.ShorthandLookup(name[:1]) + if flag == nil { + return false + } + return flag.NoOptDefVal != "" +} + +func stripFlags(args []string, c *Command) []string { + if len(args) == 0 { + return args + } + c.mergePersistentFlags() + + commands := []string{} + flags := c.Flags() + +Loop: + for len(args) > 0 { + s := args[0] + args = args[1:] + switch { + case s == "--": + // "--" terminates the flags + break Loop + case strings.HasPrefix(s, "--") && !strings.Contains(s, "=") && !hasNoOptDefVal(s[2:], flags): + // If '--flag arg' then + // delete arg from args. + fallthrough // (do the same as below) + case strings.HasPrefix(s, "-") && !strings.Contains(s, "=") && len(s) == 2 && !shortHasNoOptDefVal(s[1:], flags): + // If '-f arg' then + // delete 'arg' from args or break the loop if len(args) <= 1. + if len(args) <= 1 { + break Loop + } else { + args = args[1:] + continue + } + case s != "" && !strings.HasPrefix(s, "-"): + commands = append(commands, s) + } + } + + return commands +} + +// argsMinusFirstX removes only the first x from args. Otherwise, commands that look like +// openshift admin policy add-role-to-user admin my-user, lose the admin argument (arg[4]). +func argsMinusFirstX(args []string, x string) []string { + for i, y := range args { + if x == y { + ret := []string{} + ret = append(ret, args[:i]...) + ret = append(ret, args[i+1:]...) + return ret + } + } + return args +} + +func isFlagArg(arg string) bool { + return ((len(arg) >= 3 && arg[1] == '-') || + (len(arg) >= 2 && arg[0] == '-' && arg[1] != '-')) +} + +// Find the target command given the args and command tree +// Meant to be run on the highest node. Only searches down. +func (c *Command) Find(args []string) (*Command, []string, error) { + var innerfind func(*Command, []string) (*Command, []string) + + innerfind = func(c *Command, innerArgs []string) (*Command, []string) { + argsWOflags := stripFlags(innerArgs, c) + if len(argsWOflags) == 0 { + return c, innerArgs + } + nextSubCmd := argsWOflags[0] + + cmd := c.findNext(nextSubCmd) + if cmd != nil { + return innerfind(cmd, argsMinusFirstX(innerArgs, nextSubCmd)) + } + return c, innerArgs + } + + commandFound, a := innerfind(c, args) + if commandFound.Args == nil { + return commandFound, a, legacyArgs(commandFound, stripFlags(a, commandFound)) + } + return commandFound, a, nil +} + +func (c *Command) findSuggestions(arg string) string { + if c.DisableSuggestions { + return "" + } + if c.SuggestionsMinimumDistance <= 0 { + c.SuggestionsMinimumDistance = 2 + } + suggestionsString := "" + if suggestions := c.SuggestionsFor(arg); len(suggestions) > 0 { + suggestionsString += "\n\nDid you mean this?\n" + for _, s := range suggestions { + suggestionsString += fmt.Sprintf("\t%v\n", s) + } + } + return suggestionsString +} + +func (c *Command) findNext(next string) *Command { + matches := make([]*Command, 0) + for _, cmd := range c.commands { + if cmd.Name() == next || cmd.HasAlias(next) { + cmd.commandCalledAs.name = next + return cmd + } + if EnablePrefixMatching && cmd.hasNameOrAliasPrefix(next) { + matches = append(matches, cmd) + } + } + + if len(matches) == 1 { + return matches[0] + } + + return nil +} + +// Traverse the command tree to find the command, and parse args for +// each parent. +func (c *Command) Traverse(args []string) (*Command, []string, error) { + flags := []string{} + inFlag := false + + for i, arg := range args { + switch { + // A long flag with a space separated value + case strings.HasPrefix(arg, "--") && !strings.Contains(arg, "="): + // TODO: this isn't quite right, we should really check ahead for 'true' or 'false' + inFlag = !hasNoOptDefVal(arg[2:], c.Flags()) + flags = append(flags, arg) + continue + // A short flag with a space separated value + case strings.HasPrefix(arg, "-") && !strings.Contains(arg, "=") && len(arg) == 2 && !shortHasNoOptDefVal(arg[1:], c.Flags()): + inFlag = true + flags = append(flags, arg) + continue + // The value for a flag + case inFlag: + inFlag = false + flags = append(flags, arg) + continue + // A flag without a value, or with an `=` separated value + case isFlagArg(arg): + flags = append(flags, arg) + continue + } + + cmd := c.findNext(arg) + if cmd == nil { + return c, args, nil + } + + if err := c.ParseFlags(flags); err != nil { + return nil, args, err + } + return cmd.Traverse(args[i+1:]) + } + return c, args, nil +} + +// SuggestionsFor provides suggestions for the typedName. +func (c *Command) SuggestionsFor(typedName string) []string { + suggestions := []string{} + for _, cmd := range c.commands { + if cmd.IsAvailableCommand() { + levenshteinDistance := ld(typedName, cmd.Name(), true) + suggestByLevenshtein := levenshteinDistance <= c.SuggestionsMinimumDistance + suggestByPrefix := strings.HasPrefix(strings.ToLower(cmd.Name()), strings.ToLower(typedName)) + if suggestByLevenshtein || suggestByPrefix { + suggestions = append(suggestions, cmd.Name()) + } + for _, explicitSuggestion := range cmd.SuggestFor { + if strings.EqualFold(typedName, explicitSuggestion) { + suggestions = append(suggestions, cmd.Name()) + } + } + } + } + return suggestions +} + +// VisitParents visits all parents of the command and invokes fn on each parent. +func (c *Command) VisitParents(fn func(*Command)) { + if c.HasParent() { + fn(c.Parent()) + c.Parent().VisitParents(fn) + } +} + +// Root finds root command. +func (c *Command) Root() *Command { + if c.HasParent() { + return c.Parent().Root() + } + return c +} + +// ArgsLenAtDash will return the length of c.Flags().Args at the moment +// when a -- was found during args parsing. +func (c *Command) ArgsLenAtDash() int { + return c.Flags().ArgsLenAtDash() +} + +func (c *Command) execute(a []string) (err error) { + if c == nil { + return fmt.Errorf("Called Execute() on a nil Command") + } + + if len(c.Deprecated) > 0 { + c.Printf("Command %q is deprecated, %s\n", c.Name(), c.Deprecated) + } + + // initialize help and version flag at the last point possible to allow for user + // overriding + c.InitDefaultHelpFlag() + c.InitDefaultVersionFlag() + + err = c.ParseFlags(a) + if err != nil { + return c.FlagErrorFunc()(c, err) + } + + // If help is called, regardless of other flags, return we want help. + // Also say we need help if the command isn't runnable. + helpVal, err := c.Flags().GetBool("help") + if err != nil { + // should be impossible to get here as we always declare a help + // flag in InitDefaultHelpFlag() + c.Println("\"help\" flag declared as non-bool. Please correct your code") + return err + } + + if helpVal { + return flag.ErrHelp + } + + // for back-compat, only add version flag behavior if version is defined + if c.Version != "" { + versionVal, err := c.Flags().GetBool("version") + if err != nil { + c.Println("\"version\" flag declared as non-bool. Please correct your code") + return err + } + if versionVal { + err := tmpl(c.OutOrStdout(), c.VersionTemplate(), c) + if err != nil { + c.Println(err) + } + return err + } + } + + if !c.Runnable() { + return flag.ErrHelp + } + + c.preRun() + + argWoFlags := c.Flags().Args() + if c.DisableFlagParsing { + argWoFlags = a + } + + if err := c.ValidateArgs(argWoFlags); err != nil { + return err + } + + for p := c; p != nil; p = p.Parent() { + if p.PersistentPreRunE != nil { + if err := p.PersistentPreRunE(c, argWoFlags); err != nil { + return err + } + break + } else if p.PersistentPreRun != nil { + p.PersistentPreRun(c, argWoFlags) + break + } + } + if c.PreRunE != nil { + if err := c.PreRunE(c, argWoFlags); err != nil { + return err + } + } else if c.PreRun != nil { + c.PreRun(c, argWoFlags) + } + + if err := c.validateRequiredFlags(); err != nil { + return err + } + if c.RunE != nil { + if err := c.RunE(c, argWoFlags); err != nil { + return err + } + } else { + c.Run(c, argWoFlags) + } + if c.PostRunE != nil { + if err := c.PostRunE(c, argWoFlags); err != nil { + return err + } + } else if c.PostRun != nil { + c.PostRun(c, argWoFlags) + } + for p := c; p != nil; p = p.Parent() { + if p.PersistentPostRunE != nil { + if err := p.PersistentPostRunE(c, argWoFlags); err != nil { + return err + } + break + } else if p.PersistentPostRun != nil { + p.PersistentPostRun(c, argWoFlags) + break + } + } + + return nil +} + +func (c *Command) preRun() { + for _, x := range initializers { + x() + } +} + +// ExecuteContext is the same as Execute(), but sets the ctx on the command. +// Retrieve ctx by calling cmd.Context() inside your *Run lifecycle functions. +func (c *Command) ExecuteContext(ctx context.Context) error { + c.ctx = ctx + return c.Execute() +} + +// Execute uses the args (os.Args[1:] by default) +// and run through the command tree finding appropriate matches +// for commands and then corresponding flags. +func (c *Command) Execute() error { + _, err := c.ExecuteC() + return err +} + +// ExecuteC executes the command. +func (c *Command) ExecuteC() (cmd *Command, err error) { + if c.ctx == nil { + c.ctx = context.Background() + } + + // Regardless of what command execute is called on, run on Root only + if c.HasParent() { + return c.Root().ExecuteC() + } + + // windows hook + if preExecHookFn != nil { + preExecHookFn(c) + } + + // initialize help as the last point possible to allow for user + // overriding + c.InitDefaultHelpCmd() + + args := c.args + + // Workaround FAIL with "go test -v" or "cobra.test -test.v", see #155 + if c.args == nil && filepath.Base(os.Args[0]) != "cobra.test" { + args = os.Args[1:] + } + + // initialize the hidden command to be used for bash completion + c.initCompleteCmd(args) + + var flags []string + if c.TraverseChildren { + cmd, flags, err = c.Traverse(args) + } else { + cmd, flags, err = c.Find(args) + } + if err != nil { + // If found parse to a subcommand and then failed, talk about the subcommand + if cmd != nil { + c = cmd + } + if !c.SilenceErrors { + c.PrintErrln("Error:", err.Error()) + c.PrintErrf("Run '%v --help' for usage.\n", c.CommandPath()) + } + return c, err + } + + cmd.commandCalledAs.called = true + if cmd.commandCalledAs.name == "" { + cmd.commandCalledAs.name = cmd.Name() + } + + // We have to pass global context to children command + // if context is present on the parent command. + if cmd.ctx == nil { + cmd.ctx = c.ctx + } + + err = cmd.execute(flags) + if err != nil { + // Always show help if requested, even if SilenceErrors is in + // effect + if err == flag.ErrHelp { + cmd.HelpFunc()(cmd, args) + return cmd, nil + } + + // If root command has SilentErrors flagged, + // all subcommands should respect it + if !cmd.SilenceErrors && !c.SilenceErrors { + c.PrintErrln("Error:", err.Error()) + } + + // If root command has SilentUsage flagged, + // all subcommands should respect it + if !cmd.SilenceUsage && !c.SilenceUsage { + c.Println(cmd.UsageString()) + } + } + return cmd, err +} + +func (c *Command) ValidateArgs(args []string) error { + if c.Args == nil { + return nil + } + return c.Args(c, args) +} + +func (c *Command) validateRequiredFlags() error { + if c.DisableFlagParsing { + return nil + } + + flags := c.Flags() + missingFlagNames := []string{} + flags.VisitAll(func(pflag *flag.Flag) { + requiredAnnotation, found := pflag.Annotations[BashCompOneRequiredFlag] + if !found { + return + } + if (requiredAnnotation[0] == "true") && !pflag.Changed { + missingFlagNames = append(missingFlagNames, pflag.Name) + } + }) + + if len(missingFlagNames) > 0 { + return fmt.Errorf(`required flag(s) "%s" not set`, strings.Join(missingFlagNames, `", "`)) + } + return nil +} + +// InitDefaultHelpFlag adds default help flag to c. +// It is called automatically by executing the c or by calling help and usage. +// If c already has help flag, it will do nothing. +func (c *Command) InitDefaultHelpFlag() { + c.mergePersistentFlags() + if c.Flags().Lookup("help") == nil { + usage := "help for " + if c.Name() == "" { + usage += "this command" + } else { + usage += c.Name() + } + c.Flags().BoolP("help", "h", false, usage) + } +} + +// InitDefaultVersionFlag adds default version flag to c. +// It is called automatically by executing the c. +// If c already has a version flag, it will do nothing. +// If c.Version is empty, it will do nothing. +func (c *Command) InitDefaultVersionFlag() { + if c.Version == "" { + return + } + + c.mergePersistentFlags() + if c.Flags().Lookup("version") == nil { + usage := "version for " + if c.Name() == "" { + usage += "this command" + } else { + usage += c.Name() + } + if c.Flags().ShorthandLookup("v") == nil { + c.Flags().BoolP("version", "v", false, usage) + } else { + c.Flags().Bool("version", false, usage) + } + } +} + +// InitDefaultHelpCmd adds default help command to c. +// It is called automatically by executing the c or by calling help and usage. +// If c already has help command or c has no subcommands, it will do nothing. +func (c *Command) InitDefaultHelpCmd() { + if !c.HasSubCommands() { + return + } + + if c.helpCommand == nil { + c.helpCommand = &Command{ + Use: "help [command]", + Short: "Help about any command", + Long: `Help provides help for any command in the application. +Simply type ` + c.Name() + ` help [path to command] for full details.`, + ValidArgsFunction: func(c *Command, args []string, toComplete string) ([]string, ShellCompDirective) { + var completions []string + cmd, _, e := c.Root().Find(args) + if e != nil { + return nil, ShellCompDirectiveNoFileComp + } + if cmd == nil { + // Root help command. + cmd = c.Root() + } + for _, subCmd := range cmd.Commands() { + if subCmd.IsAvailableCommand() || subCmd == cmd.helpCommand { + if strings.HasPrefix(subCmd.Name(), toComplete) { + completions = append(completions, fmt.Sprintf("%s\t%s", subCmd.Name(), subCmd.Short)) + } + } + } + return completions, ShellCompDirectiveNoFileComp + }, + Run: func(c *Command, args []string) { + cmd, _, e := c.Root().Find(args) + if cmd == nil || e != nil { + c.Printf("Unknown help topic %#q\n", args) + c.Root().Usage() + } else { + cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown + cmd.Help() + } + }, + } + } + c.RemoveCommand(c.helpCommand) + c.AddCommand(c.helpCommand) +} + +// ResetCommands delete parent, subcommand and help command from c. +func (c *Command) ResetCommands() { + c.parent = nil + c.commands = nil + c.helpCommand = nil + c.parentsPflags = nil +} + +// Sorts commands by their names. +type commandSorterByName []*Command + +func (c commandSorterByName) Len() int { return len(c) } +func (c commandSorterByName) Swap(i, j int) { c[i], c[j] = c[j], c[i] } +func (c commandSorterByName) Less(i, j int) bool { return c[i].Name() < c[j].Name() } + +// Commands returns a sorted slice of child commands. +func (c *Command) Commands() []*Command { + // do not sort commands if it already sorted or sorting was disabled + if EnableCommandSorting && !c.commandsAreSorted { + sort.Sort(commandSorterByName(c.commands)) + c.commandsAreSorted = true + } + return c.commands +} + +// AddCommand adds one or more commands to this parent command. +func (c *Command) AddCommand(cmds ...*Command) { + for i, x := range cmds { + if cmds[i] == c { + panic("Command can't be a child of itself") + } + cmds[i].parent = c + // update max lengths + usageLen := len(x.Use) + if usageLen > c.commandsMaxUseLen { + c.commandsMaxUseLen = usageLen + } + commandPathLen := len(x.CommandPath()) + if commandPathLen > c.commandsMaxCommandPathLen { + c.commandsMaxCommandPathLen = commandPathLen + } + nameLen := len(x.Name()) + if nameLen > c.commandsMaxNameLen { + c.commandsMaxNameLen = nameLen + } + // If global normalization function exists, update all children + if c.globNormFunc != nil { + x.SetGlobalNormalizationFunc(c.globNormFunc) + } + c.commands = append(c.commands, x) + c.commandsAreSorted = false + } +} + +// RemoveCommand removes one or more commands from a parent command. +func (c *Command) RemoveCommand(cmds ...*Command) { + commands := []*Command{} +main: + for _, command := range c.commands { + for _, cmd := range cmds { + if command == cmd { + command.parent = nil + continue main + } + } + commands = append(commands, command) + } + c.commands = commands + // recompute all lengths + c.commandsMaxUseLen = 0 + c.commandsMaxCommandPathLen = 0 + c.commandsMaxNameLen = 0 + for _, command := range c.commands { + usageLen := len(command.Use) + if usageLen > c.commandsMaxUseLen { + c.commandsMaxUseLen = usageLen + } + commandPathLen := len(command.CommandPath()) + if commandPathLen > c.commandsMaxCommandPathLen { + c.commandsMaxCommandPathLen = commandPathLen + } + nameLen := len(command.Name()) + if nameLen > c.commandsMaxNameLen { + c.commandsMaxNameLen = nameLen + } + } +} + +// Print is a convenience method to Print to the defined output, fallback to Stderr if not set. +func (c *Command) Print(i ...interface{}) { + fmt.Fprint(c.OutOrStderr(), i...) +} + +// Println is a convenience method to Println to the defined output, fallback to Stderr if not set. +func (c *Command) Println(i ...interface{}) { + c.Print(fmt.Sprintln(i...)) +} + +// Printf is a convenience method to Printf to the defined output, fallback to Stderr if not set. +func (c *Command) Printf(format string, i ...interface{}) { + c.Print(fmt.Sprintf(format, i...)) +} + +// PrintErr is a convenience method to Print to the defined Err output, fallback to Stderr if not set. +func (c *Command) PrintErr(i ...interface{}) { + fmt.Fprint(c.ErrOrStderr(), i...) +} + +// PrintErrln is a convenience method to Println to the defined Err output, fallback to Stderr if not set. +func (c *Command) PrintErrln(i ...interface{}) { + c.PrintErr(fmt.Sprintln(i...)) +} + +// PrintErrf is a convenience method to Printf to the defined Err output, fallback to Stderr if not set. +func (c *Command) PrintErrf(format string, i ...interface{}) { + c.PrintErr(fmt.Sprintf(format, i...)) +} + +// CommandPath returns the full path to this command. +func (c *Command) CommandPath() string { + if c.HasParent() { + return c.Parent().CommandPath() + " " + c.Name() + } + return c.Name() +} + +// UseLine puts out the full usage for a given command (including parents). +func (c *Command) UseLine() string { + var useline string + if c.HasParent() { + useline = c.parent.CommandPath() + " " + c.Use + } else { + useline = c.Use + } + if c.DisableFlagsInUseLine { + return useline + } + if c.HasAvailableFlags() && !strings.Contains(useline, "[flags]") { + useline += " [flags]" + } + return useline +} + +// DebugFlags used to determine which flags have been assigned to which commands +// and which persist. +func (c *Command) DebugFlags() { + c.Println("DebugFlags called on", c.Name()) + var debugflags func(*Command) + + debugflags = func(x *Command) { + if x.HasFlags() || x.HasPersistentFlags() { + c.Println(x.Name()) + } + if x.HasFlags() { + x.flags.VisitAll(func(f *flag.Flag) { + if x.HasPersistentFlags() && x.persistentFlag(f.Name) != nil { + c.Println(" -"+f.Shorthand+",", "--"+f.Name, "["+f.DefValue+"]", "", f.Value, " [LP]") + } else { + c.Println(" -"+f.Shorthand+",", "--"+f.Name, "["+f.DefValue+"]", "", f.Value, " [L]") + } + }) + } + if x.HasPersistentFlags() { + x.pflags.VisitAll(func(f *flag.Flag) { + if x.HasFlags() { + if x.flags.Lookup(f.Name) == nil { + c.Println(" -"+f.Shorthand+",", "--"+f.Name, "["+f.DefValue+"]", "", f.Value, " [P]") + } + } else { + c.Println(" -"+f.Shorthand+",", "--"+f.Name, "["+f.DefValue+"]", "", f.Value, " [P]") + } + }) + } + c.Println(x.flagErrorBuf) + if x.HasSubCommands() { + for _, y := range x.commands { + debugflags(y) + } + } + } + + debugflags(c) +} + +// Name returns the command's name: the first word in the use line. +func (c *Command) Name() string { + name := c.Use + i := strings.Index(name, " ") + if i >= 0 { + name = name[:i] + } + return name +} + +// HasAlias determines if a given string is an alias of the command. +func (c *Command) HasAlias(s string) bool { + for _, a := range c.Aliases { + if a == s { + return true + } + } + return false +} + +// CalledAs returns the command name or alias that was used to invoke +// this command or an empty string if the command has not been called. +func (c *Command) CalledAs() string { + if c.commandCalledAs.called { + return c.commandCalledAs.name + } + return "" +} + +// hasNameOrAliasPrefix returns true if the Name or any of aliases start +// with prefix +func (c *Command) hasNameOrAliasPrefix(prefix string) bool { + if strings.HasPrefix(c.Name(), prefix) { + c.commandCalledAs.name = c.Name() + return true + } + for _, alias := range c.Aliases { + if strings.HasPrefix(alias, prefix) { + c.commandCalledAs.name = alias + return true + } + } + return false +} + +// NameAndAliases returns a list of the command name and all aliases +func (c *Command) NameAndAliases() string { + return strings.Join(append([]string{c.Name()}, c.Aliases...), ", ") +} + +// HasExample determines if the command has example. +func (c *Command) HasExample() bool { + return len(c.Example) > 0 +} + +// Runnable determines if the command is itself runnable. +func (c *Command) Runnable() bool { + return c.Run != nil || c.RunE != nil +} + +// HasSubCommands determines if the command has children commands. +func (c *Command) HasSubCommands() bool { + return len(c.commands) > 0 +} + +// IsAvailableCommand determines if a command is available as a non-help command +// (this includes all non deprecated/hidden commands). +func (c *Command) IsAvailableCommand() bool { + if len(c.Deprecated) != 0 || c.Hidden { + return false + } + + if c.HasParent() && c.Parent().helpCommand == c { + return false + } + + if c.Runnable() || c.HasAvailableSubCommands() { + return true + } + + return false +} + +// IsAdditionalHelpTopicCommand determines if a command is an additional +// help topic command; additional help topic command is determined by the +// fact that it is NOT runnable/hidden/deprecated, and has no sub commands that +// are runnable/hidden/deprecated. +// Concrete example: https://github.com/spf13/cobra/issues/393#issuecomment-282741924. +func (c *Command) IsAdditionalHelpTopicCommand() bool { + // if a command is runnable, deprecated, or hidden it is not a 'help' command + if c.Runnable() || len(c.Deprecated) != 0 || c.Hidden { + return false + } + + // if any non-help sub commands are found, the command is not a 'help' command + for _, sub := range c.commands { + if !sub.IsAdditionalHelpTopicCommand() { + return false + } + } + + // the command either has no sub commands, or no non-help sub commands + return true +} + +// HasHelpSubCommands determines if a command has any available 'help' sub commands +// that need to be shown in the usage/help default template under 'additional help +// topics'. +func (c *Command) HasHelpSubCommands() bool { + // return true on the first found available 'help' sub command + for _, sub := range c.commands { + if sub.IsAdditionalHelpTopicCommand() { + return true + } + } + + // the command either has no sub commands, or no available 'help' sub commands + return false +} + +// HasAvailableSubCommands determines if a command has available sub commands that +// need to be shown in the usage/help default template under 'available commands'. +func (c *Command) HasAvailableSubCommands() bool { + // return true on the first found available (non deprecated/help/hidden) + // sub command + for _, sub := range c.commands { + if sub.IsAvailableCommand() { + return true + } + } + + // the command either has no sub commands, or no available (non deprecated/help/hidden) + // sub commands + return false +} + +// HasParent determines if the command is a child command. +func (c *Command) HasParent() bool { + return c.parent != nil +} + +// GlobalNormalizationFunc returns the global normalization function or nil if it doesn't exist. +func (c *Command) GlobalNormalizationFunc() func(f *flag.FlagSet, name string) flag.NormalizedName { + return c.globNormFunc +} + +// Flags returns the complete FlagSet that applies +// to this command (local and persistent declared here and by all parents). +func (c *Command) Flags() *flag.FlagSet { + if c.flags == nil { + c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + if c.flagErrorBuf == nil { + c.flagErrorBuf = new(bytes.Buffer) + } + c.flags.SetOutput(c.flagErrorBuf) + } + + return c.flags +} + +// LocalNonPersistentFlags are flags specific to this command which will NOT persist to subcommands. +func (c *Command) LocalNonPersistentFlags() *flag.FlagSet { + persistentFlags := c.PersistentFlags() + + out := flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.LocalFlags().VisitAll(func(f *flag.Flag) { + if persistentFlags.Lookup(f.Name) == nil { + out.AddFlag(f) + } + }) + return out +} + +// LocalFlags returns the local FlagSet specifically set in the current command. +func (c *Command) LocalFlags() *flag.FlagSet { + c.mergePersistentFlags() + + if c.lflags == nil { + c.lflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + if c.flagErrorBuf == nil { + c.flagErrorBuf = new(bytes.Buffer) + } + c.lflags.SetOutput(c.flagErrorBuf) + } + c.lflags.SortFlags = c.Flags().SortFlags + if c.globNormFunc != nil { + c.lflags.SetNormalizeFunc(c.globNormFunc) + } + + addToLocal := func(f *flag.Flag) { + if c.lflags.Lookup(f.Name) == nil && c.parentsPflags.Lookup(f.Name) == nil { + c.lflags.AddFlag(f) + } + } + c.Flags().VisitAll(addToLocal) + c.PersistentFlags().VisitAll(addToLocal) + return c.lflags +} + +// InheritedFlags returns all flags which were inherited from parent commands. +func (c *Command) InheritedFlags() *flag.FlagSet { + c.mergePersistentFlags() + + if c.iflags == nil { + c.iflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + if c.flagErrorBuf == nil { + c.flagErrorBuf = new(bytes.Buffer) + } + c.iflags.SetOutput(c.flagErrorBuf) + } + + local := c.LocalFlags() + if c.globNormFunc != nil { + c.iflags.SetNormalizeFunc(c.globNormFunc) + } + + c.parentsPflags.VisitAll(func(f *flag.Flag) { + if c.iflags.Lookup(f.Name) == nil && local.Lookup(f.Name) == nil { + c.iflags.AddFlag(f) + } + }) + return c.iflags +} + +// NonInheritedFlags returns all flags which were not inherited from parent commands. +func (c *Command) NonInheritedFlags() *flag.FlagSet { + return c.LocalFlags() +} + +// PersistentFlags returns the persistent FlagSet specifically set in the current command. +func (c *Command) PersistentFlags() *flag.FlagSet { + if c.pflags == nil { + c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + if c.flagErrorBuf == nil { + c.flagErrorBuf = new(bytes.Buffer) + } + c.pflags.SetOutput(c.flagErrorBuf) + } + return c.pflags +} + +// ResetFlags deletes all flags from command. +func (c *Command) ResetFlags() { + c.flagErrorBuf = new(bytes.Buffer) + c.flagErrorBuf.Reset() + c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.flags.SetOutput(c.flagErrorBuf) + c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.pflags.SetOutput(c.flagErrorBuf) + + c.lflags = nil + c.iflags = nil + c.parentsPflags = nil +} + +// HasFlags checks if the command contains any flags (local plus persistent from the entire structure). +func (c *Command) HasFlags() bool { + return c.Flags().HasFlags() +} + +// HasPersistentFlags checks if the command contains persistent flags. +func (c *Command) HasPersistentFlags() bool { + return c.PersistentFlags().HasFlags() +} + +// HasLocalFlags checks if the command has flags specifically declared locally. +func (c *Command) HasLocalFlags() bool { + return c.LocalFlags().HasFlags() +} + +// HasInheritedFlags checks if the command has flags inherited from its parent command. +func (c *Command) HasInheritedFlags() bool { + return c.InheritedFlags().HasFlags() +} + +// HasAvailableFlags checks if the command contains any flags (local plus persistent from the entire +// structure) which are not hidden or deprecated. +func (c *Command) HasAvailableFlags() bool { + return c.Flags().HasAvailableFlags() +} + +// HasAvailablePersistentFlags checks if the command contains persistent flags which are not hidden or deprecated. +func (c *Command) HasAvailablePersistentFlags() bool { + return c.PersistentFlags().HasAvailableFlags() +} + +// HasAvailableLocalFlags checks if the command has flags specifically declared locally which are not hidden +// or deprecated. +func (c *Command) HasAvailableLocalFlags() bool { + return c.LocalFlags().HasAvailableFlags() +} + +// HasAvailableInheritedFlags checks if the command has flags inherited from its parent command which are +// not hidden or deprecated. +func (c *Command) HasAvailableInheritedFlags() bool { + return c.InheritedFlags().HasAvailableFlags() +} + +// Flag climbs up the command tree looking for matching flag. +func (c *Command) Flag(name string) (flag *flag.Flag) { + flag = c.Flags().Lookup(name) + + if flag == nil { + flag = c.persistentFlag(name) + } + + return +} + +// Recursively find matching persistent flag. +func (c *Command) persistentFlag(name string) (flag *flag.Flag) { + if c.HasPersistentFlags() { + flag = c.PersistentFlags().Lookup(name) + } + + if flag == nil { + c.updateParentsPflags() + flag = c.parentsPflags.Lookup(name) + } + return +} + +// ParseFlags parses persistent flag tree and local flags. +func (c *Command) ParseFlags(args []string) error { + if c.DisableFlagParsing { + return nil + } + + if c.flagErrorBuf == nil { + c.flagErrorBuf = new(bytes.Buffer) + } + beforeErrorBufLen := c.flagErrorBuf.Len() + c.mergePersistentFlags() + + // do it here after merging all flags and just before parse + c.Flags().ParseErrorsWhitelist = flag.ParseErrorsWhitelist(c.FParseErrWhitelist) + + err := c.Flags().Parse(args) + // Print warnings if they occurred (e.g. deprecated flag messages). + if c.flagErrorBuf.Len()-beforeErrorBufLen > 0 && err == nil { + c.Print(c.flagErrorBuf.String()) + } + + return err +} + +// Parent returns a commands parent command. +func (c *Command) Parent() *Command { + return c.parent +} + +// mergePersistentFlags merges c.PersistentFlags() to c.Flags() +// and adds missing persistent flags of all parents. +func (c *Command) mergePersistentFlags() { + c.updateParentsPflags() + c.Flags().AddFlagSet(c.PersistentFlags()) + c.Flags().AddFlagSet(c.parentsPflags) +} + +// updateParentsPflags updates c.parentsPflags by adding +// new persistent flags of all parents. +// If c.parentsPflags == nil, it makes new. +func (c *Command) updateParentsPflags() { + if c.parentsPflags == nil { + c.parentsPflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.parentsPflags.SetOutput(c.flagErrorBuf) + c.parentsPflags.SortFlags = false + } + + if c.globNormFunc != nil { + c.parentsPflags.SetNormalizeFunc(c.globNormFunc) + } + + c.Root().PersistentFlags().AddFlagSet(flag.CommandLine) + + c.VisitParents(func(parent *Command) { + c.parentsPflags.AddFlagSet(parent.PersistentFlags()) + }) +} diff --git a/vendor/github.com/spf13/cobra/command_notwin.go b/vendor/github.com/spf13/cobra/command_notwin.go new file mode 100644 index 0000000..6159c1c --- /dev/null +++ b/vendor/github.com/spf13/cobra/command_notwin.go @@ -0,0 +1,5 @@ +// +build !windows + +package cobra + +var preExecHookFn func(*Command) diff --git a/vendor/github.com/spf13/cobra/command_win.go b/vendor/github.com/spf13/cobra/command_win.go new file mode 100644 index 0000000..8768b17 --- /dev/null +++ b/vendor/github.com/spf13/cobra/command_win.go @@ -0,0 +1,26 @@ +// +build windows + +package cobra + +import ( + "fmt" + "os" + "time" + + "github.com/inconshreveable/mousetrap" +) + +var preExecHookFn = preExecHook + +func preExecHook(c *Command) { + if MousetrapHelpText != "" && mousetrap.StartedByExplorer() { + c.Print(MousetrapHelpText) + if MousetrapDisplayDuration > 0 { + time.Sleep(MousetrapDisplayDuration) + } else { + c.Println("Press return to continue...") + fmt.Scanln() + } + os.Exit(1) + } +} diff --git a/vendor/github.com/spf13/cobra/custom_completions.go b/vendor/github.com/spf13/cobra/custom_completions.go new file mode 100644 index 0000000..f9e88e0 --- /dev/null +++ b/vendor/github.com/spf13/cobra/custom_completions.go @@ -0,0 +1,557 @@ +package cobra + +import ( + "fmt" + "os" + "strings" + + "github.com/spf13/pflag" +) + +const ( + // ShellCompRequestCmd is the name of the hidden command that is used to request + // completion results from the program. It is used by the shell completion scripts. + ShellCompRequestCmd = "__complete" + // ShellCompNoDescRequestCmd is the name of the hidden command that is used to request + // completion results without their description. It is used by the shell completion scripts. + ShellCompNoDescRequestCmd = "__completeNoDesc" +) + +// Global map of flag completion functions. +var flagCompletionFunctions = map[*pflag.Flag]func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective){} + +// ShellCompDirective is a bit map representing the different behaviors the shell +// can be instructed to have once completions have been provided. +type ShellCompDirective int + +const ( + // ShellCompDirectiveError indicates an error occurred and completions should be ignored. + ShellCompDirectiveError ShellCompDirective = 1 << iota + + // ShellCompDirectiveNoSpace indicates that the shell should not add a space + // after the completion even if there is a single completion provided. + ShellCompDirectiveNoSpace + + // ShellCompDirectiveNoFileComp indicates that the shell should not provide + // file completion even when no completion is provided. + // This currently does not work for zsh or bash < 4 + ShellCompDirectiveNoFileComp + + // ShellCompDirectiveFilterFileExt indicates that the provided completions + // should be used as file extension filters. + // For flags, using Command.MarkFlagFilename() and Command.MarkPersistentFlagFilename() + // is a shortcut to using this directive explicitly. The BashCompFilenameExt + // annotation can also be used to obtain the same behavior for flags. + ShellCompDirectiveFilterFileExt + + // ShellCompDirectiveFilterDirs indicates that only directory names should + // be provided in file completion. To request directory names within another + // directory, the returned completions should specify the directory within + // which to search. The BashCompSubdirsInDir annotation can be used to + // obtain the same behavior but only for flags. + ShellCompDirectiveFilterDirs + + // =========================================================================== + + // All directives using iota should be above this one. + // For internal use. + shellCompDirectiveMaxValue + + // ShellCompDirectiveDefault indicates to let the shell perform its default + // behavior after completions have been provided. + // This one must be last to avoid messing up the iota count. + ShellCompDirectiveDefault ShellCompDirective = 0 +) + +// RegisterFlagCompletionFunc should be called to register a function to provide completion for a flag. +func (c *Command) RegisterFlagCompletionFunc(flagName string, f func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective)) error { + flag := c.Flag(flagName) + if flag == nil { + return fmt.Errorf("RegisterFlagCompletionFunc: flag '%s' does not exist", flagName) + } + if _, exists := flagCompletionFunctions[flag]; exists { + return fmt.Errorf("RegisterFlagCompletionFunc: flag '%s' already registered", flagName) + } + flagCompletionFunctions[flag] = f + return nil +} + +// Returns a string listing the different directive enabled in the specified parameter +func (d ShellCompDirective) string() string { + var directives []string + if d&ShellCompDirectiveError != 0 { + directives = append(directives, "ShellCompDirectiveError") + } + if d&ShellCompDirectiveNoSpace != 0 { + directives = append(directives, "ShellCompDirectiveNoSpace") + } + if d&ShellCompDirectiveNoFileComp != 0 { + directives = append(directives, "ShellCompDirectiveNoFileComp") + } + if d&ShellCompDirectiveFilterFileExt != 0 { + directives = append(directives, "ShellCompDirectiveFilterFileExt") + } + if d&ShellCompDirectiveFilterDirs != 0 { + directives = append(directives, "ShellCompDirectiveFilterDirs") + } + if len(directives) == 0 { + directives = append(directives, "ShellCompDirectiveDefault") + } + + if d >= shellCompDirectiveMaxValue { + return fmt.Sprintf("ERROR: unexpected ShellCompDirective value: %d", d) + } + return strings.Join(directives, ", ") +} + +// Adds a special hidden command that can be used to request custom completions. +func (c *Command) initCompleteCmd(args []string) { + completeCmd := &Command{ + Use: fmt.Sprintf("%s [command-line]", ShellCompRequestCmd), + Aliases: []string{ShellCompNoDescRequestCmd}, + DisableFlagsInUseLine: true, + Hidden: true, + DisableFlagParsing: true, + Args: MinimumNArgs(1), + Short: "Request shell completion choices for the specified command-line", + Long: fmt.Sprintf("%[2]s is a special command that is used by the shell completion logic\n%[1]s", + "to request completion choices for the specified command-line.", ShellCompRequestCmd), + Run: func(cmd *Command, args []string) { + finalCmd, completions, directive, err := cmd.getCompletions(args) + if err != nil { + CompErrorln(err.Error()) + // Keep going for multiple reasons: + // 1- There could be some valid completions even though there was an error + // 2- Even without completions, we need to print the directive + } + + noDescriptions := (cmd.CalledAs() == ShellCompNoDescRequestCmd) + for _, comp := range completions { + if noDescriptions { + // Remove any description that may be included following a tab character. + comp = strings.Split(comp, "\t")[0] + } + + // Make sure we only write the first line to the output. + // This is needed if a description contains a linebreak. + // Otherwise the shell scripts will interpret the other lines as new flags + // and could therefore provide a wrong completion. + comp = strings.Split(comp, "\n")[0] + + // Finally trim the completion. This is especially important to get rid + // of a trailing tab when there are no description following it. + // For example, a sub-command without a description should not be completed + // with a tab at the end (or else zsh will show a -- following it + // although there is no description). + comp = strings.TrimSpace(comp) + + // Print each possible completion to stdout for the completion script to consume. + fmt.Fprintln(finalCmd.OutOrStdout(), comp) + } + + if directive >= shellCompDirectiveMaxValue { + directive = ShellCompDirectiveDefault + } + + // As the last printout, print the completion directive for the completion script to parse. + // The directive integer must be that last character following a single colon (:). + // The completion script expects : + fmt.Fprintf(finalCmd.OutOrStdout(), ":%d\n", directive) + + // Print some helpful info to stderr for the user to understand. + // Output from stderr must be ignored by the completion script. + fmt.Fprintf(finalCmd.ErrOrStderr(), "Completion ended with directive: %s\n", directive.string()) + }, + } + c.AddCommand(completeCmd) + subCmd, _, err := c.Find(args) + if err != nil || subCmd.Name() != ShellCompRequestCmd { + // Only create this special command if it is actually being called. + // This reduces possible side-effects of creating such a command; + // for example, having this command would cause problems to a + // cobra program that only consists of the root command, since this + // command would cause the root command to suddenly have a subcommand. + c.RemoveCommand(completeCmd) + } +} + +func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDirective, error) { + // The last argument, which is not completely typed by the user, + // should not be part of the list of arguments + toComplete := args[len(args)-1] + trimmedArgs := args[:len(args)-1] + + var finalCmd *Command + var finalArgs []string + var err error + // Find the real command for which completion must be performed + // check if we need to traverse here to parse local flags on parent commands + if c.Root().TraverseChildren { + finalCmd, finalArgs, err = c.Root().Traverse(trimmedArgs) + } else { + finalCmd, finalArgs, err = c.Root().Find(trimmedArgs) + } + if err != nil { + // Unable to find the real command. E.g., someInvalidCmd + return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Unable to find a command for arguments: %v", trimmedArgs) + } + + // Check if we are doing flag value completion before parsing the flags. + // This is important because if we are completing a flag value, we need to also + // remove the flag name argument from the list of finalArgs or else the parsing + // could fail due to an invalid value (incomplete) for the flag. + flag, finalArgs, toComplete, err := checkIfFlagCompletion(finalCmd, finalArgs, toComplete) + if err != nil { + // Error while attempting to parse flags + return finalCmd, []string{}, ShellCompDirectiveDefault, err + } + + // Parse the flags early so we can check if required flags are set + if err = finalCmd.ParseFlags(finalArgs); err != nil { + return finalCmd, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Error while parsing flags from args %v: %s", finalArgs, err.Error()) + } + + if flag != nil { + // Check if we are completing a flag value subject to annotations + if validExts, present := flag.Annotations[BashCompFilenameExt]; present { + if len(validExts) != 0 { + // File completion filtered by extensions + return finalCmd, validExts, ShellCompDirectiveFilterFileExt, nil + } + + // The annotation requests simple file completion. There is no reason to do + // that since it is the default behavior anyway. Let's ignore this annotation + // in case the program also registered a completion function for this flag. + // Even though it is a mistake on the program's side, let's be nice when we can. + } + + if subDir, present := flag.Annotations[BashCompSubdirsInDir]; present { + if len(subDir) == 1 { + // Directory completion from within a directory + return finalCmd, subDir, ShellCompDirectiveFilterDirs, nil + } + // Directory completion + return finalCmd, []string{}, ShellCompDirectiveFilterDirs, nil + } + } + + // When doing completion of a flag name, as soon as an argument starts with + // a '-' we know it is a flag. We cannot use isFlagArg() here as it requires + // the flag name to be complete + if flag == nil && len(toComplete) > 0 && toComplete[0] == '-' && !strings.Contains(toComplete, "=") { + var completions []string + + // First check for required flags + completions = completeRequireFlags(finalCmd, toComplete) + + // If we have not found any required flags, only then can we show regular flags + if len(completions) == 0 { + doCompleteFlags := func(flag *pflag.Flag) { + if !flag.Changed || + strings.Contains(flag.Value.Type(), "Slice") || + strings.Contains(flag.Value.Type(), "Array") { + // If the flag is not already present, or if it can be specified multiple times (Array or Slice) + // we suggest it as a completion + completions = append(completions, getFlagNameCompletions(flag, toComplete)...) + } + } + + // We cannot use finalCmd.Flags() because we may not have called ParsedFlags() for commands + // that have set DisableFlagParsing; it is ParseFlags() that merges the inherited and + // non-inherited flags. + finalCmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) { + doCompleteFlags(flag) + }) + finalCmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) { + doCompleteFlags(flag) + }) + } + + directive := ShellCompDirectiveNoFileComp + if len(completions) == 1 && strings.HasSuffix(completions[0], "=") { + // If there is a single completion, the shell usually adds a space + // after the completion. We don't want that if the flag ends with an = + directive = ShellCompDirectiveNoSpace + } + return finalCmd, completions, directive, nil + } + + // We only remove the flags from the arguments if DisableFlagParsing is not set. + // This is important for commands which have requested to do their own flag completion. + if !finalCmd.DisableFlagParsing { + finalArgs = finalCmd.Flags().Args() + } + + var completions []string + directive := ShellCompDirectiveDefault + if flag == nil { + foundLocalNonPersistentFlag := false + // If TraverseChildren is true on the root command we don't check for + // local flags because we can use a local flag on a parent command + if !finalCmd.Root().TraverseChildren { + // Check if there are any local, non-persistent flags on the command-line + localNonPersistentFlags := finalCmd.LocalNonPersistentFlags() + finalCmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) { + if localNonPersistentFlags.Lookup(flag.Name) != nil && flag.Changed { + foundLocalNonPersistentFlag = true + } + }) + } + + // Complete subcommand names, including the help command + if len(finalArgs) == 0 && !foundLocalNonPersistentFlag { + // We only complete sub-commands if: + // - there are no arguments on the command-line and + // - there are no local, non-peristent flag on the command-line or TraverseChildren is true + for _, subCmd := range finalCmd.Commands() { + if subCmd.IsAvailableCommand() || subCmd == finalCmd.helpCommand { + if strings.HasPrefix(subCmd.Name(), toComplete) { + completions = append(completions, fmt.Sprintf("%s\t%s", subCmd.Name(), subCmd.Short)) + } + directive = ShellCompDirectiveNoFileComp + } + } + } + + // Complete required flags even without the '-' prefix + completions = append(completions, completeRequireFlags(finalCmd, toComplete)...) + + // Always complete ValidArgs, even if we are completing a subcommand name. + // This is for commands that have both subcommands and ValidArgs. + if len(finalCmd.ValidArgs) > 0 { + if len(finalArgs) == 0 { + // ValidArgs are only for the first argument + for _, validArg := range finalCmd.ValidArgs { + if strings.HasPrefix(validArg, toComplete) { + completions = append(completions, validArg) + } + } + directive = ShellCompDirectiveNoFileComp + + // If no completions were found within commands or ValidArgs, + // see if there are any ArgAliases that should be completed. + if len(completions) == 0 { + for _, argAlias := range finalCmd.ArgAliases { + if strings.HasPrefix(argAlias, toComplete) { + completions = append(completions, argAlias) + } + } + } + } + + // If there are ValidArgs specified (even if they don't match), we stop completion. + // Only one of ValidArgs or ValidArgsFunction can be used for a single command. + return finalCmd, completions, directive, nil + } + + // Let the logic continue so as to add any ValidArgsFunction completions, + // even if we already found sub-commands. + // This is for commands that have subcommands but also specify a ValidArgsFunction. + } + + // Find the completion function for the flag or command + var completionFn func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) + if flag != nil { + completionFn = flagCompletionFunctions[flag] + } else { + completionFn = finalCmd.ValidArgsFunction + } + if completionFn != nil { + // Go custom completion defined for this flag or command. + // Call the registered completion function to get the completions. + var comps []string + comps, directive = completionFn(finalCmd, finalArgs, toComplete) + completions = append(completions, comps...) + } + + return finalCmd, completions, directive, nil +} + +func getFlagNameCompletions(flag *pflag.Flag, toComplete string) []string { + if nonCompletableFlag(flag) { + return []string{} + } + + var completions []string + flagName := "--" + flag.Name + if strings.HasPrefix(flagName, toComplete) { + // Flag without the = + completions = append(completions, fmt.Sprintf("%s\t%s", flagName, flag.Usage)) + + // Why suggest both long forms: --flag and --flag= ? + // This forces the user to *always* have to type either an = or a space after the flag name. + // Let's be nice and avoid making users have to do that. + // Since boolean flags and shortname flags don't show the = form, let's go that route and never show it. + // The = form will still work, we just won't suggest it. + // This also makes the list of suggested flags shorter as we avoid all the = forms. + // + // if len(flag.NoOptDefVal) == 0 { + // // Flag requires a value, so it can be suffixed with = + // flagName += "=" + // completions = append(completions, fmt.Sprintf("%s\t%s", flagName, flag.Usage)) + // } + } + + flagName = "-" + flag.Shorthand + if len(flag.Shorthand) > 0 && strings.HasPrefix(flagName, toComplete) { + completions = append(completions, fmt.Sprintf("%s\t%s", flagName, flag.Usage)) + } + + return completions +} + +func completeRequireFlags(finalCmd *Command, toComplete string) []string { + var completions []string + + doCompleteRequiredFlags := func(flag *pflag.Flag) { + if _, present := flag.Annotations[BashCompOneRequiredFlag]; present { + if !flag.Changed { + // If the flag is not already present, we suggest it as a completion + completions = append(completions, getFlagNameCompletions(flag, toComplete)...) + } + } + } + + // We cannot use finalCmd.Flags() because we may not have called ParsedFlags() for commands + // that have set DisableFlagParsing; it is ParseFlags() that merges the inherited and + // non-inherited flags. + finalCmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) { + doCompleteRequiredFlags(flag) + }) + finalCmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) { + doCompleteRequiredFlags(flag) + }) + + return completions +} + +func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*pflag.Flag, []string, string, error) { + if finalCmd.DisableFlagParsing { + // We only do flag completion if we are allowed to parse flags + // This is important for commands which have requested to do their own flag completion. + return nil, args, lastArg, nil + } + + var flagName string + trimmedArgs := args + flagWithEqual := false + + // When doing completion of a flag name, as soon as an argument starts with + // a '-' we know it is a flag. We cannot use isFlagArg() here as that function + // requires the flag name to be complete + if len(lastArg) > 0 && lastArg[0] == '-' { + if index := strings.Index(lastArg, "="); index >= 0 { + // Flag with an = + flagName = strings.TrimLeft(lastArg[:index], "-") + lastArg = lastArg[index+1:] + flagWithEqual = true + } else { + // Normal flag completion + return nil, args, lastArg, nil + } + } + + if len(flagName) == 0 { + if len(args) > 0 { + prevArg := args[len(args)-1] + if isFlagArg(prevArg) { + // Only consider the case where the flag does not contain an =. + // If the flag contains an = it means it has already been fully processed, + // so we don't need to deal with it here. + if index := strings.Index(prevArg, "="); index < 0 { + flagName = strings.TrimLeft(prevArg, "-") + + // Remove the uncompleted flag or else there could be an error created + // for an invalid value for that flag + trimmedArgs = args[:len(args)-1] + } + } + } + } + + if len(flagName) == 0 { + // Not doing flag completion + return nil, trimmedArgs, lastArg, nil + } + + flag := findFlag(finalCmd, flagName) + if flag == nil { + // Flag not supported by this command, nothing to complete + err := fmt.Errorf("Subcommand '%s' does not support flag '%s'", finalCmd.Name(), flagName) + return nil, nil, "", err + } + + if !flagWithEqual { + if len(flag.NoOptDefVal) != 0 { + // We had assumed dealing with a two-word flag but the flag is a boolean flag. + // In that case, there is no value following it, so we are not really doing flag completion. + // Reset everything to do noun completion. + trimmedArgs = args + flag = nil + } + } + + return flag, trimmedArgs, lastArg, nil +} + +func findFlag(cmd *Command, name string) *pflag.Flag { + flagSet := cmd.Flags() + if len(name) == 1 { + // First convert the short flag into a long flag + // as the cmd.Flag() search only accepts long flags + if short := flagSet.ShorthandLookup(name); short != nil { + name = short.Name + } else { + set := cmd.InheritedFlags() + if short = set.ShorthandLookup(name); short != nil { + name = short.Name + } else { + return nil + } + } + } + return cmd.Flag(name) +} + +// CompDebug prints the specified string to the same file as where the +// completion script prints its logs. +// Note that completion printouts should never be on stdout as they would +// be wrongly interpreted as actual completion choices by the completion script. +func CompDebug(msg string, printToStdErr bool) { + msg = fmt.Sprintf("[Debug] %s", msg) + + // Such logs are only printed when the user has set the environment + // variable BASH_COMP_DEBUG_FILE to the path of some file to be used. + if path := os.Getenv("BASH_COMP_DEBUG_FILE"); path != "" { + f, err := os.OpenFile(path, + os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644) + if err == nil { + defer f.Close() + f.WriteString(msg) + } + } + + if printToStdErr { + // Must print to stderr for this not to be read by the completion script. + fmt.Fprintf(os.Stderr, msg) + } +} + +// CompDebugln prints the specified string with a newline at the end +// to the same file as where the completion script prints its logs. +// Such logs are only printed when the user has set the environment +// variable BASH_COMP_DEBUG_FILE to the path of some file to be used. +func CompDebugln(msg string, printToStdErr bool) { + CompDebug(fmt.Sprintf("%s\n", msg), printToStdErr) +} + +// CompError prints the specified completion message to stderr. +func CompError(msg string) { + msg = fmt.Sprintf("[Error] %s", msg) + CompDebug(msg, true) +} + +// CompErrorln prints the specified completion message to stderr with a newline at the end. +func CompErrorln(msg string) { + CompError(fmt.Sprintf("%s\n", msg)) +} diff --git a/vendor/github.com/spf13/cobra/fish_completions.go b/vendor/github.com/spf13/cobra/fish_completions.go new file mode 100644 index 0000000..eaae9bc --- /dev/null +++ b/vendor/github.com/spf13/cobra/fish_completions.go @@ -0,0 +1,207 @@ +package cobra + +import ( + "bytes" + "fmt" + "io" + "os" + "strings" +) + +func genFishComp(buf *bytes.Buffer, name string, includeDesc bool) { + // Variables should not contain a '-' or ':' character + nameForVar := name + nameForVar = strings.Replace(nameForVar, "-", "_", -1) + nameForVar = strings.Replace(nameForVar, ":", "_", -1) + + compCmd := ShellCompRequestCmd + if !includeDesc { + compCmd = ShellCompNoDescRequestCmd + } + buf.WriteString(fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name)) + buf.WriteString(fmt.Sprintf(` +function __%[1]s_debug + set file "$BASH_COMP_DEBUG_FILE" + if test -n "$file" + echo "$argv" >> $file + end +end + +function __%[1]s_perform_completion + __%[1]s_debug "Starting __%[1]s_perform_completion with: $argv" + + set args (string split -- " " "$argv") + set lastArg "$args[-1]" + + __%[1]s_debug "args: $args" + __%[1]s_debug "last arg: $lastArg" + + set emptyArg "" + if test -z "$lastArg" + __%[1]s_debug "Setting emptyArg" + set emptyArg \"\" + end + __%[1]s_debug "emptyArg: $emptyArg" + + if not type -q "$args[1]" + # This can happen when "complete --do-complete %[2]s" is called when running this script. + __%[1]s_debug "Cannot find $args[1]. No completions." + return + end + + set requestComp "$args[1] %[3]s $args[2..-1] $emptyArg" + __%[1]s_debug "Calling $requestComp" + + set results (eval $requestComp 2> /dev/null) + set comps $results[1..-2] + set directiveLine $results[-1] + + # For Fish, when completing a flag with an = (e.g., -n=) + # completions must be prefixed with the flag + set flagPrefix (string match -r -- '-.*=' "$lastArg") + + __%[1]s_debug "Comps: $comps" + __%[1]s_debug "DirectiveLine: $directiveLine" + __%[1]s_debug "flagPrefix: $flagPrefix" + + for comp in $comps + printf "%%s%%s\n" "$flagPrefix" "$comp" + end + + printf "%%s\n" "$directiveLine" +end + +# This function does three things: +# 1- Obtain the completions and store them in the global __%[1]s_comp_results +# 2- Set the __%[1]s_comp_do_file_comp flag if file completion should be performed +# and unset it otherwise +# 3- Return true if the completion results are not empty +function __%[1]s_prepare_completions + # Start fresh + set --erase __%[1]s_comp_do_file_comp + set --erase __%[1]s_comp_results + + # Check if the command-line is already provided. This is useful for testing. + if not set --query __%[1]s_comp_commandLine + # Use the -c flag to allow for completion in the middle of the line + set __%[1]s_comp_commandLine (commandline -c) + end + __%[1]s_debug "commandLine is: $__%[1]s_comp_commandLine" + + set results (__%[1]s_perform_completion "$__%[1]s_comp_commandLine") + set --erase __%[1]s_comp_commandLine + __%[1]s_debug "Completion results: $results" + + if test -z "$results" + __%[1]s_debug "No completion, probably due to a failure" + # Might as well do file completion, in case it helps + set --global __%[1]s_comp_do_file_comp 1 + return 1 + end + + set directive (string sub --start 2 $results[-1]) + set --global __%[1]s_comp_results $results[1..-2] + + __%[1]s_debug "Completions are: $__%[1]s_comp_results" + __%[1]s_debug "Directive is: $directive" + + set shellCompDirectiveError %[4]d + set shellCompDirectiveNoSpace %[5]d + set shellCompDirectiveNoFileComp %[6]d + set shellCompDirectiveFilterFileExt %[7]d + set shellCompDirectiveFilterDirs %[8]d + + if test -z "$directive" + set directive 0 + end + + set compErr (math (math --scale 0 $directive / $shellCompDirectiveError) %% 2) + if test $compErr -eq 1 + __%[1]s_debug "Received error directive: aborting." + # Might as well do file completion, in case it helps + set --global __%[1]s_comp_do_file_comp 1 + return 1 + end + + set filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) %% 2) + set dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) %% 2) + if test $filefilter -eq 1; or test $dirfilter -eq 1 + __%[1]s_debug "File extension filtering or directory filtering not supported" + # Do full file completion instead + set --global __%[1]s_comp_do_file_comp 1 + return 1 + end + + set nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) %% 2) + set nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) %% 2) + + __%[1]s_debug "nospace: $nospace, nofiles: $nofiles" + + # Important not to quote the variable for count to work + set numComps (count $__%[1]s_comp_results) + __%[1]s_debug "numComps: $numComps" + + if test $numComps -eq 1; and test $nospace -ne 0 + # To support the "nospace" directive we trick the shell + # by outputting an extra, longer completion. + __%[1]s_debug "Adding second completion to perform nospace directive" + set --append __%[1]s_comp_results $__%[1]s_comp_results[1]. + end + + if test $numComps -eq 0; and test $nofiles -eq 0 + __%[1]s_debug "Requesting file completion" + set --global __%[1]s_comp_do_file_comp 1 + end + + # If we don't want file completion, we must return true even if there + # are no completions found. This is because fish will perform the last + # completion command, even if its condition is false, if no other + # completion command was triggered + return (not set --query __%[1]s_comp_do_file_comp) +end + +# Since Fish completions are only loaded once the user triggers them, we trigger them ourselves +# so we can properly delete any completions provided by another script. +# The space after the the program name is essential to trigger completion for the program +# and not completion of the program name itself. +complete --do-complete "%[2]s " > /dev/null 2>&1 +# Using '> /dev/null 2>&1' since '&>' is not supported in older versions of fish. + +# Remove any pre-existing completions for the program since we will be handling all of them. +complete -c %[2]s -e + +# The order in which the below two lines are defined is very important so that __%[1]s_prepare_completions +# is called first. It is __%[1]s_prepare_completions that sets up the __%[1]s_comp_do_file_comp variable. +# +# This completion will be run second as complete commands are added FILO. +# It triggers file completion choices when __%[1]s_comp_do_file_comp is set. +complete -c %[2]s -n 'set --query __%[1]s_comp_do_file_comp' + +# This completion will be run first as complete commands are added FILO. +# The call to __%[1]s_prepare_completions will setup both __%[1]s_comp_results and __%[1]s_comp_do_file_comp. +# It provides the program's completion choices. +complete -c %[2]s -n '__%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results' + +`, nameForVar, name, compCmd, + ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp, + ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs)) +} + +// GenFishCompletion generates fish completion file and writes to the passed writer. +func (c *Command) GenFishCompletion(w io.Writer, includeDesc bool) error { + buf := new(bytes.Buffer) + genFishComp(buf, c.Name(), includeDesc) + _, err := buf.WriteTo(w) + return err +} + +// GenFishCompletionFile generates fish completion file. +func (c *Command) GenFishCompletionFile(filename string, includeDesc bool) error { + outFile, err := os.Create(filename) + if err != nil { + return err + } + defer outFile.Close() + + return c.GenFishCompletion(outFile, includeDesc) +} diff --git a/vendor/github.com/spf13/cobra/fish_completions.md b/vendor/github.com/spf13/cobra/fish_completions.md new file mode 100644 index 0000000..19b2ed1 --- /dev/null +++ b/vendor/github.com/spf13/cobra/fish_completions.md @@ -0,0 +1,4 @@ +## Generating Fish Completions For Your cobra.Command + +Please refer to [Shell Completions](shell_completions.md) for details. + diff --git a/vendor/github.com/spf13/cobra/go.mod b/vendor/github.com/spf13/cobra/go.mod new file mode 100644 index 0000000..57e3244 --- /dev/null +++ b/vendor/github.com/spf13/cobra/go.mod @@ -0,0 +1,12 @@ +module github.com/spf13/cobra + +go 1.12 + +require ( + github.com/cpuguy83/go-md2man/v2 v2.0.0 + github.com/inconshreveable/mousetrap v1.0.0 + github.com/mitchellh/go-homedir v1.1.0 + github.com/spf13/pflag v1.0.5 + github.com/spf13/viper v1.7.0 + gopkg.in/yaml.v2 v2.2.8 +) diff --git a/vendor/github.com/spf13/cobra/go.sum b/vendor/github.com/spf13/cobra/go.sum new file mode 100644 index 0000000..0aae738 --- /dev/null +++ b/vendor/github.com/spf13/cobra/go.sum @@ -0,0 +1,313 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= +cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= +cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= +cloud.google.com/go v0.46.3/go.mod 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h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= diff --git a/vendor/github.com/spf13/cobra/powershell_completions.go b/vendor/github.com/spf13/cobra/powershell_completions.go new file mode 100644 index 0000000..756c61b --- /dev/null +++ b/vendor/github.com/spf13/cobra/powershell_completions.go @@ -0,0 +1,100 @@ +// PowerShell completions are based on the amazing work from clap: +// https://github.com/clap-rs/clap/blob/3294d18efe5f264d12c9035f404c7d189d4824e1/src/completions/powershell.rs +// +// The generated scripts require PowerShell v5.0+ (which comes Windows 10, but +// can be downloaded separately for windows 7 or 8.1). + +package cobra + +import ( + "bytes" + "fmt" + "io" + "os" + "strings" + + "github.com/spf13/pflag" +) + +var powerShellCompletionTemplate = `using namespace System.Management.Automation +using namespace System.Management.Automation.Language +Register-ArgumentCompleter -Native -CommandName '%s' -ScriptBlock { + param($wordToComplete, $commandAst, $cursorPosition) + $commandElements = $commandAst.CommandElements + $command = @( + '%s' + for ($i = 1; $i -lt $commandElements.Count; $i++) { + $element = $commandElements[$i] + if ($element -isnot [StringConstantExpressionAst] -or + $element.StringConstantType -ne [StringConstantType]::BareWord -or + $element.Value.StartsWith('-')) { + break + } + $element.Value + } + ) -join ';' + $completions = @(switch ($command) {%s + }) + $completions.Where{ $_.CompletionText -like "$wordToComplete*" } | + Sort-Object -Property ListItemText +}` + +func generatePowerShellSubcommandCases(out io.Writer, cmd *Command, previousCommandName string) { + var cmdName string + if previousCommandName == "" { + cmdName = cmd.Name() + } else { + cmdName = fmt.Sprintf("%s;%s", previousCommandName, cmd.Name()) + } + + fmt.Fprintf(out, "\n '%s' {", cmdName) + + cmd.Flags().VisitAll(func(flag *pflag.Flag) { + if nonCompletableFlag(flag) { + return + } + usage := escapeStringForPowerShell(flag.Usage) + if len(flag.Shorthand) > 0 { + fmt.Fprintf(out, "\n [CompletionResult]::new('-%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Shorthand, flag.Shorthand, usage) + } + fmt.Fprintf(out, "\n [CompletionResult]::new('--%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Name, flag.Name, usage) + }) + + for _, subCmd := range cmd.Commands() { + usage := escapeStringForPowerShell(subCmd.Short) + fmt.Fprintf(out, "\n [CompletionResult]::new('%s', '%s', [CompletionResultType]::ParameterValue, '%s')", subCmd.Name(), subCmd.Name(), usage) + } + + fmt.Fprint(out, "\n break\n }") + + for _, subCmd := range cmd.Commands() { + generatePowerShellSubcommandCases(out, subCmd, cmdName) + } +} + +func escapeStringForPowerShell(s string) string { + return strings.Replace(s, "'", "''", -1) +} + +// GenPowerShellCompletion generates PowerShell completion file and writes to the passed writer. +func (c *Command) GenPowerShellCompletion(w io.Writer) error { + buf := new(bytes.Buffer) + + var subCommandCases bytes.Buffer + generatePowerShellSubcommandCases(&subCommandCases, c, "") + fmt.Fprintf(buf, powerShellCompletionTemplate, c.Name(), c.Name(), subCommandCases.String()) + + _, err := buf.WriteTo(w) + return err +} + +// GenPowerShellCompletionFile generates PowerShell completion file. +func (c *Command) GenPowerShellCompletionFile(filename string) error { + outFile, err := os.Create(filename) + if err != nil { + return err + } + defer outFile.Close() + + return c.GenPowerShellCompletion(outFile) +} diff --git a/vendor/github.com/spf13/cobra/powershell_completions.md b/vendor/github.com/spf13/cobra/powershell_completions.md new file mode 100644 index 0000000..55f154a --- /dev/null +++ b/vendor/github.com/spf13/cobra/powershell_completions.md @@ -0,0 +1,16 @@ +# Generating PowerShell Completions For Your Own cobra.Command + +Cobra can generate PowerShell completion scripts. Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles. + +*Note*: PowerShell completions have not (yet?) been aligned to Cobra's generic shell completion support. This implies the PowerShell completions are not as rich as for other shells (see [What's not yet supported](#whats-not-yet-supported)), and may behave slightly differently. They are still very useful for PowerShell users. + +# What's supported + +- Completion for subcommands using their `.Short` description +- Completion for non-hidden flags using their `.Name` and `.Shorthand` + +# What's not yet supported + +- Command aliases +- Required, filename or custom flags (they will work like normal flags) +- Custom completion scripts diff --git a/vendor/github.com/spf13/cobra/projects_using_cobra.md b/vendor/github.com/spf13/cobra/projects_using_cobra.md new file mode 100644 index 0000000..31c2720 --- /dev/null +++ b/vendor/github.com/spf13/cobra/projects_using_cobra.md @@ -0,0 +1,35 @@ +## Projects using Cobra + +- [Arduino CLI](https://github.com/arduino/arduino-cli) +- [Bleve](http://www.blevesearch.com/) +- [CockroachDB](http://www.cockroachlabs.com/) +- [Cosmos SDK](https://github.com/cosmos/cosmos-sdk) +- [Delve](https://github.com/derekparker/delve) +- [Docker (distribution)](https://github.com/docker/distribution) +- [Etcd](https://etcd.io/) +- [Gardener](https://github.com/gardener/gardenctl) +- [Giant Swarm's gsctl](https://github.com/giantswarm/gsctl) +- [Git Bump](https://github.com/erdaltsksn/git-bump) +- [Github CLI](https://github.com/cli/cli) +- [GitHub Labeler](https://github.com/erdaltsksn/gh-label) +- [Golangci-lint](https://golangci-lint.run) +- [GopherJS](http://www.gopherjs.org/) +- [Helm](https://helm.sh) +- [Hugo](https://gohugo.io) +- [Istio](https://istio.io) +- [Kool](https://github.com/kool-dev/kool) +- [Kubernetes](http://kubernetes.io/) +- [Linkerd](https://linkerd.io/) +- [Mattermost-server](https://github.com/mattermost/mattermost-server) +- [Metal Stack CLI](https://github.com/metal-stack/metalctl) +- [Moby (former Docker)](https://github.com/moby/moby) +- [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack) +- [OpenShift](https://www.openshift.com/) +- [Pouch](https://github.com/alibaba/pouch) +- [ProjectAtomic (enterprise)](http://www.projectatomic.io/) +- [Prototool](https://github.com/uber/prototool) +- [Random](https://github.com/erdaltsksn/random) +- [Rclone](https://rclone.org/) +- [Skaffold](https://skaffold.dev/) +- [Tendermint](https://github.com/tendermint/tendermint) +- [Werf](https://werf.io/) diff --git a/vendor/github.com/spf13/cobra/shell_completions.go b/vendor/github.com/spf13/cobra/shell_completions.go new file mode 100644 index 0000000..d99bf91 --- /dev/null +++ b/vendor/github.com/spf13/cobra/shell_completions.go @@ -0,0 +1,84 @@ +package cobra + +import ( + "github.com/spf13/pflag" +) + +// MarkFlagRequired instructs the various shell completion implementations to +// prioritize the named flag when performing completion, +// and causes your command to report an error if invoked without the flag. +func (c *Command) MarkFlagRequired(name string) error { + return MarkFlagRequired(c.Flags(), name) +} + +// MarkPersistentFlagRequired instructs the various shell completion implementations to +// prioritize the named persistent flag when performing completion, +// and causes your command to report an error if invoked without the flag. +func (c *Command) MarkPersistentFlagRequired(name string) error { + return MarkFlagRequired(c.PersistentFlags(), name) +} + +// MarkFlagRequired instructs the various shell completion implementations to +// prioritize the named flag when performing completion, +// and causes your command to report an error if invoked without the flag. +func MarkFlagRequired(flags *pflag.FlagSet, name string) error { + return flags.SetAnnotation(name, BashCompOneRequiredFlag, []string{"true"}) +} + +// MarkFlagFilename instructs the various shell completion implementations to +// limit completions for the named flag to the specified file extensions. +func (c *Command) MarkFlagFilename(name string, extensions ...string) error { + return MarkFlagFilename(c.Flags(), name, extensions...) +} + +// MarkFlagCustom adds the BashCompCustom annotation to the named flag, if it exists. +// The bash completion script will call the bash function f for the flag. +// +// This will only work for bash completion. +// It is recommended to instead use c.RegisterFlagCompletionFunc(...) which allows +// to register a Go function which will work across all shells. +func (c *Command) MarkFlagCustom(name string, f string) error { + return MarkFlagCustom(c.Flags(), name, f) +} + +// MarkPersistentFlagFilename instructs the various shell completion +// implementations to limit completions for the named persistent flag to the +// specified file extensions. +func (c *Command) MarkPersistentFlagFilename(name string, extensions ...string) error { + return MarkFlagFilename(c.PersistentFlags(), name, extensions...) +} + +// MarkFlagFilename instructs the various shell completion implementations to +// limit completions for the named flag to the specified file extensions. +func MarkFlagFilename(flags *pflag.FlagSet, name string, extensions ...string) error { + return flags.SetAnnotation(name, BashCompFilenameExt, extensions) +} + +// MarkFlagCustom adds the BashCompCustom annotation to the named flag, if it exists. +// The bash completion script will call the bash function f for the flag. +// +// This will only work for bash completion. +// It is recommended to instead use c.RegisterFlagCompletionFunc(...) which allows +// to register a Go function which will work across all shells. +func MarkFlagCustom(flags *pflag.FlagSet, name string, f string) error { + return flags.SetAnnotation(name, BashCompCustom, []string{f}) +} + +// MarkFlagDirname instructs the various shell completion implementations to +// limit completions for the named flag to directory names. +func (c *Command) MarkFlagDirname(name string) error { + return MarkFlagDirname(c.Flags(), name) +} + +// MarkPersistentFlagDirname instructs the various shell completion +// implementations to limit completions for the named persistent flag to +// directory names. +func (c *Command) MarkPersistentFlagDirname(name string) error { + return MarkFlagDirname(c.PersistentFlags(), name) +} + +// MarkFlagDirname instructs the various shell completion implementations to +// limit completions for the named flag to directory names. +func MarkFlagDirname(flags *pflag.FlagSet, name string) error { + return flags.SetAnnotation(name, BashCompSubdirsInDir, []string{}) +} diff --git a/vendor/github.com/spf13/cobra/shell_completions.md b/vendor/github.com/spf13/cobra/shell_completions.md new file mode 100644 index 0000000..d8416ab --- /dev/null +++ b/vendor/github.com/spf13/cobra/shell_completions.md @@ -0,0 +1,434 @@ +# Generating shell completions + +Cobra can generate shell completions for multiple shells. +The currently supported shells are: +- Bash +- Zsh +- Fish +- PowerShell + +If you are using the generator you can create a completion command by running + +```bash +cobra add completion +``` +and then modifying the generated `cmd/completion.go` file to look something like this +(writing the shell script to stdout allows the most flexible use): + +```go +var completionCmd = &cobra.Command{ + Use: "completion [bash|zsh|fish|powershell]", + Short: "Generate completion script", + Long: `To load completions: + +Bash: + +$ source <(yourprogram completion bash) + +# To load completions for each session, execute once: +Linux: + $ yourprogram completion bash > /etc/bash_completion.d/yourprogram +MacOS: + $ yourprogram completion bash > /usr/local/etc/bash_completion.d/yourprogram + +Zsh: + +# If shell completion is not already enabled in your environment you will need +# to enable it. You can execute the following once: + +$ echo "autoload -U compinit; compinit" >> ~/.zshrc + +# To load completions for each session, execute once: +$ yourprogram completion zsh > "${fpath[1]}/_yourprogram" + +# You will need to start a new shell for this setup to take effect. + +Fish: + +$ yourprogram completion fish | source + +# To load completions for each session, execute once: +$ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish +`, + DisableFlagsInUseLine: true, + ValidArgs: []string{"bash", "zsh", "fish", "powershell"}, + Args: cobra.ExactValidArgs(1), + Run: func(cmd *cobra.Command, args []string) { + switch args[0] { + case "bash": + cmd.Root().GenBashCompletion(os.Stdout) + case "zsh": + cmd.Root().GenZshCompletion(os.Stdout) + case "fish": + cmd.Root().GenFishCompletion(os.Stdout, true) + case "powershell": + cmd.Root().GenPowerShellCompletion(os.Stdout) + } + }, +} +``` + +**Note:** The cobra generator may include messages printed to stdout for example if the config file is loaded, this will break the auto complete script so must be removed. + +# Customizing completions + +The generated completion scripts will automatically handle completing commands and flags. However, you can make your completions much more powerful by providing information to complete your program's nouns and flag values. + +## Completion of nouns + +### Static completion of nouns + +Cobra allows you to provide a pre-defined list of completion choices for your nouns using the `ValidArgs` field. +For example, if you want `kubectl get [tab][tab]` to show a list of valid "nouns" you have to set them. +Some simplified code from `kubectl get` looks like: + +```go +validArgs []string = { "pod", "node", "service", "replicationcontroller" } + +cmd := &cobra.Command{ + Use: "get [(-o|--output=)json|yaml|template|...] (RESOURCE [NAME] | RESOURCE/NAME ...)", + Short: "Display one or many resources", + Long: get_long, + Example: get_example, + Run: func(cmd *cobra.Command, args []string) { + err := RunGet(f, out, cmd, args) + util.CheckErr(err) + }, + ValidArgs: validArgs, +} +``` + +Notice we put the `ValidArgs` field on the `get` sub-command. Doing so will give results like: + +```bash +$ kubectl get [tab][tab] +node pod replicationcontroller service +``` + +#### Aliases for nouns + +If your nouns have aliases, you can define them alongside `ValidArgs` using `ArgAliases`: + +```go +argAliases []string = { "pods", "nodes", "services", "svc", "replicationcontrollers", "rc" } + +cmd := &cobra.Command{ + ... + ValidArgs: validArgs, + ArgAliases: argAliases +} +``` + +The aliases are not shown to the user on tab completion, but they are accepted as valid nouns by +the completion algorithm if entered manually, e.g. in: + +```bash +$ kubectl get rc [tab][tab] +backend frontend database +``` + +Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of +replication controllers following `rc`. + +### Dynamic completion of nouns + +In some cases it is not possible to provide a list of completions in advance. Instead, the list of completions must be determined at execution-time. In a similar fashion as for static completions, you can use the `ValidArgsFunction` field to provide a Go function that Cobra will execute when it needs the list of completion choices for the nouns of a command. Note that either `ValidArgs` or `ValidArgsFunction` can be used for a single cobra command, but not both. +Simplified code from `helm status` looks like: + +```go +cmd := &cobra.Command{ + Use: "status RELEASE_NAME", + Short: "Display the status of the named release", + Long: status_long, + RunE: func(cmd *cobra.Command, args []string) { + RunGet(args[0]) + }, + ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + if len(args) != 0 { + return nil, cobra.ShellCompDirectiveNoFileComp + } + return getReleasesFromCluster(toComplete), cobra.ShellCompDirectiveNoFileComp + }, +} +``` +Where `getReleasesFromCluster()` is a Go function that obtains the list of current Helm releases running on the Kubernetes cluster. +Notice we put the `ValidArgsFunction` on the `status` sub-command. Let's assume the Helm releases on the cluster are: `harbor`, `notary`, `rook` and `thanos` then this dynamic completion will give results like: + +```bash +$ helm status [tab][tab] +harbor notary rook thanos +``` +You may have noticed the use of `cobra.ShellCompDirective`. These directives are bit fields allowing to control some shell completion behaviors for your particular completion. You can combine them with the bit-or operator such as `cobra.ShellCompDirectiveNoSpace | cobra.ShellCompDirectiveNoFileComp` +```go +// Indicates that the shell will perform its default behavior after completions +// have been provided (this implies none of the other directives). +ShellCompDirectiveDefault + +// Indicates an error occurred and completions should be ignored. +ShellCompDirectiveError + +// Indicates that the shell should not add a space after the completion, +// even if there is a single completion provided. +ShellCompDirectiveNoSpace + +// Indicates that the shell should not provide file completion even when +// no completion is provided. +ShellCompDirectiveNoFileComp + +// Indicates that the returned completions should be used as file extension filters. +// For example, to complete only files of the form *.json or *.yaml: +// return []string{"yaml", "json"}, ShellCompDirectiveFilterFileExt +// For flags, using MarkFlagFilename() and MarkPersistentFlagFilename() +// is a shortcut to using this directive explicitly. +// +ShellCompDirectiveFilterFileExt + +// Indicates that only directory names should be provided in file completion. +// For example: +// return nil, ShellCompDirectiveFilterDirs +// For flags, using MarkFlagDirname() is a shortcut to using this directive explicitly. +// +// To request directory names within another directory, the returned completions +// should specify a single directory name within which to search. For example, +// to complete directories within "themes/": +// return []string{"themes"}, ShellCompDirectiveFilterDirs +// +ShellCompDirectiveFilterDirs +``` + +***Note***: When using the `ValidArgsFunction`, Cobra will call your registered function after having parsed all flags and arguments provided in the command-line. You therefore don't need to do this parsing yourself. For example, when a user calls `helm status --namespace my-rook-ns [tab][tab]`, Cobra will call your registered `ValidArgsFunction` after having parsed the `--namespace` flag, as it would have done when calling the `RunE` function. + +#### Debugging + +Cobra achieves dynamic completion through the use of a hidden command called by the completion script. To debug your Go completion code, you can call this hidden command directly: +```bash +$ helm __complete status har +harbor +:4 +Completion ended with directive: ShellCompDirectiveNoFileComp # This is on stderr +``` +***Important:*** If the noun to complete is empty (when the user has not yet typed any letters of that noun), you must pass an empty parameter to the `__complete` command: +```bash +$ helm __complete status "" +harbor +notary +rook +thanos +:4 +Completion ended with directive: ShellCompDirectiveNoFileComp # This is on stderr +``` +Calling the `__complete` command directly allows you to run the Go debugger to troubleshoot your code. You can also add printouts to your code; Cobra provides the following functions to use for printouts in Go completion code: +```go +// Prints to the completion script debug file (if BASH_COMP_DEBUG_FILE +// is set to a file path) and optionally prints to stderr. +cobra.CompDebug(msg string, printToStdErr bool) { +cobra.CompDebugln(msg string, printToStdErr bool) + +// Prints to the completion script debug file (if BASH_COMP_DEBUG_FILE +// is set to a file path) and to stderr. +cobra.CompError(msg string) +cobra.CompErrorln(msg string) +``` +***Important:*** You should **not** leave traces that print directly to stdout in your completion code as they will be interpreted as completion choices by the completion script. Instead, use the cobra-provided debugging traces functions mentioned above. + +## Completions for flags + +### Mark flags as required + +Most of the time completions will only show sub-commands. But if a flag is required to make a sub-command work, you probably want it to show up when the user types [tab][tab]. You can mark a flag as 'Required' like so: + +```go +cmd.MarkFlagRequired("pod") +cmd.MarkFlagRequired("container") +``` + +and you'll get something like + +```bash +$ kubectl exec [tab][tab] +-c --container= -p --pod= +``` + +### Specify dynamic flag completion + +As for nouns, Cobra provides a way of defining dynamic completion of flags. To provide a Go function that Cobra will execute when it needs the list of completion choices for a flag, you must register the function using the `command.RegisterFlagCompletionFunc()` function. + +```go +flagName := "output" +cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return []string{"json", "table", "yaml"}, cobra.ShellCompDirectiveDefault +}) +``` +Notice that calling `RegisterFlagCompletionFunc()` is done through the `command` with which the flag is associated. In our example this dynamic completion will give results like so: + +```bash +$ helm status --output [tab][tab] +json table yaml +``` + +#### Debugging + +You can also easily debug your Go completion code for flags: +```bash +$ helm __complete status --output "" +json +table +yaml +:4 +Completion ended with directive: ShellCompDirectiveNoFileComp # This is on stderr +``` +***Important:*** You should **not** leave traces that print to stdout in your completion code as they will be interpreted as completion choices by the completion script. Instead, use the cobra-provided debugging traces functions mentioned further above. + +### Specify valid filename extensions for flags that take a filename + +To limit completions of flag values to file names with certain extensions you can either use the different `MarkFlagFilename()` functions or a combination of `RegisterFlagCompletionFunc()` and `ShellCompDirectiveFilterFileExt`, like so: +```go +flagName := "output" +cmd.MarkFlagFilename(flagName, "yaml", "json") +``` +or +```go +flagName := "output" +cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return []string{"yaml", "json"}, ShellCompDirectiveFilterFileExt}) +``` + +### Limit flag completions to directory names + +To limit completions of flag values to directory names you can either use the `MarkFlagDirname()` functions or a combination of `RegisterFlagCompletionFunc()` and `ShellCompDirectiveFilterDirs`, like so: +```go +flagName := "output" +cmd.MarkFlagDirname(flagName) +``` +or +```go +flagName := "output" +cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return nil, cobra.ShellCompDirectiveFilterDirs +}) +``` +To limit completions of flag values to directory names *within another directory* you can use a combination of `RegisterFlagCompletionFunc()` and `ShellCompDirectiveFilterDirs` like so: +```go +flagName := "output" +cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return []string{"themes"}, cobra.ShellCompDirectiveFilterDirs +}) +``` +### Descriptions for completions + +Both `zsh` and `fish` allow for descriptions to annotate completion choices. For commands and flags, Cobra will provide the descriptions automatically, based on usage information. For example, using zsh: +``` +$ helm s[tab] +search -- search for a keyword in charts +show -- show information of a chart +status -- displays the status of the named release +``` +while using fish: +``` +$ helm s[tab] +search (search for a keyword in charts) show (show information of a chart) status (displays the status of the named release) +``` + +Cobra allows you to add annotations to your own completions. Simply add the annotation text after each completion, following a `\t` separator. This technique applies to completions returned by `ValidArgs`, `ValidArgsFunction` and `RegisterFlagCompletionFunc()`. For example: +```go +ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return []string{"harbor\tAn image registry", "thanos\tLong-term metrics"}, cobra.ShellCompDirectiveNoFileComp +}} +``` +or +```go +ValidArgs: []string{"bash\tCompletions for bash", "zsh\tCompletions for zsh"} +``` +## Bash completions + +### Dependencies + +The bash completion script generated by Cobra requires the `bash_completion` package. You should update the help text of your completion command to show how to install the `bash_completion` package ([Kubectl docs](https://kubernetes.io/docs/tasks/tools/install-kubectl/#enabling-shell-autocompletion)) + +### Aliases + +You can also configure `bash` aliases for your program and they will also support completions. + +```bash +alias aliasname=origcommand +complete -o default -F __start_origcommand aliasname + +# and now when you run `aliasname` completion will make +# suggestions as it did for `origcommand`. + +$ aliasname +completion firstcommand secondcommand +``` +### Bash legacy dynamic completions + +For backwards-compatibility, Cobra still supports its bash legacy dynamic completion solution. +Please refer to [Bash Completions](bash_completions.md) for details. + +## Zsh completions + +Cobra supports native Zsh completion generated from the root `cobra.Command`. +The generated completion script should be put somewhere in your `$fpath` and be named +`_`. You will need to start a new shell for the completions to become available. + +Zsh supports descriptions for completions. Cobra will provide the description automatically, +based on usage information. Cobra provides a way to completely disable such descriptions by +using `GenZshCompletionNoDesc()` or `GenZshCompletionFileNoDesc()`. You can choose to make +this a configurable option to your users. +``` +# With descriptions +$ helm s[tab] +search -- search for a keyword in charts +show -- show information of a chart +status -- displays the status of the named release + +# Without descriptions +$ helm s[tab] +search show status +``` +*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`. + +### Limitations + +* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `zsh` (including the use of the `BashCompCustom` flag annotation). + * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`). +* The function `MarkFlagCustom()` is not supported and will be ignored for `zsh`. + * You should instead use `RegisterFlagCompletionFunc()`. + +### Zsh completions standardization + +Cobra 1.1 standardized its zsh completion support to align it with its other shell completions. Although the API was kept backwards-compatible, some small changes in behavior were introduced. +Please refer to [Zsh Completions](zsh_completions.md) for details. + +## Fish completions + +Cobra supports native Fish completions generated from the root `cobra.Command`. You can use the `command.GenFishCompletion()` or `command.GenFishCompletionFile()` functions. You must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra will provide the description automatically based on usage information. You can choose to make this option configurable by your users. +``` +# With descriptions +$ helm s[tab] +search (search for a keyword in charts) show (show information of a chart) status (displays the status of the named release) + +# Without descriptions +$ helm s[tab] +search show status +``` +*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`. + +### Limitations + +* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation). + * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`). +* The function `MarkFlagCustom()` is not supported and will be ignored for `fish`. + * You should instead use `RegisterFlagCompletionFunc()`. +* The following flag completion annotations are not supported and will be ignored for `fish`: + * `BashCompFilenameExt` (filtering by file extension) + * `BashCompSubdirsInDir` (filtering by directory) +* The functions corresponding to the above annotations are consequently not supported and will be ignored for `fish`: + * `MarkFlagFilename()` and `MarkPersistentFlagFilename()` (filtering by file extension) + * `MarkFlagDirname()` and `MarkPersistentFlagDirname()` (filtering by directory) +* Similarly, the following completion directives are not supported and will be ignored for `fish`: + * `ShellCompDirectiveFilterFileExt` (filtering by file extension) + * `ShellCompDirectiveFilterDirs` (filtering by directory) + +## PowerShell completions + +Please refer to [PowerShell Completions](powershell_completions.md) for details. diff --git a/vendor/github.com/spf13/cobra/zsh_completions.go b/vendor/github.com/spf13/cobra/zsh_completions.go new file mode 100644 index 0000000..92a7039 --- /dev/null +++ b/vendor/github.com/spf13/cobra/zsh_completions.go @@ -0,0 +1,240 @@ +package cobra + +import ( + "bytes" + "fmt" + "io" + "os" +) + +// GenZshCompletionFile generates zsh completion file including descriptions. +func (c *Command) GenZshCompletionFile(filename string) error { + return c.genZshCompletionFile(filename, true) +} + +// GenZshCompletion generates zsh completion file including descriptions +// and writes it to the passed writer. +func (c *Command) GenZshCompletion(w io.Writer) error { + return c.genZshCompletion(w, true) +} + +// GenZshCompletionFileNoDesc generates zsh completion file without descriptions. +func (c *Command) GenZshCompletionFileNoDesc(filename string) error { + return c.genZshCompletionFile(filename, false) +} + +// GenZshCompletionNoDesc generates zsh completion file without descriptions +// and writes it to the passed writer. +func (c *Command) GenZshCompletionNoDesc(w io.Writer) error { + return c.genZshCompletion(w, false) +} + +// MarkZshCompPositionalArgumentFile only worked for zsh and its behavior was +// not consistent with Bash completion. It has therefore been disabled. +// Instead, when no other completion is specified, file completion is done by +// default for every argument. One can disable file completion on a per-argument +// basis by using ValidArgsFunction and ShellCompDirectiveNoFileComp. +// To achieve file extension filtering, one can use ValidArgsFunction and +// ShellCompDirectiveFilterFileExt. +// +// Deprecated +func (c *Command) MarkZshCompPositionalArgumentFile(argPosition int, patterns ...string) error { + return nil +} + +// MarkZshCompPositionalArgumentWords only worked for zsh. It has therefore +// been disabled. +// To achieve the same behavior across all shells, one can use +// ValidArgs (for the first argument only) or ValidArgsFunction for +// any argument (can include the first one also). +// +// Deprecated +func (c *Command) MarkZshCompPositionalArgumentWords(argPosition int, words ...string) error { + return nil +} + +func (c *Command) genZshCompletionFile(filename string, includeDesc bool) error { + outFile, err := os.Create(filename) + if err != nil { + return err + } + defer outFile.Close() + + return c.genZshCompletion(outFile, includeDesc) +} + +func (c *Command) genZshCompletion(w io.Writer, includeDesc bool) error { + buf := new(bytes.Buffer) + genZshComp(buf, c.Name(), includeDesc) + _, err := buf.WriteTo(w) + return err +} + +func genZshComp(buf *bytes.Buffer, name string, includeDesc bool) { + compCmd := ShellCompRequestCmd + if !includeDesc { + compCmd = ShellCompNoDescRequestCmd + } + buf.WriteString(fmt.Sprintf(`#compdef _%[1]s %[1]s + +# zsh completion for %-36[1]s -*- shell-script -*- + +__%[1]s_debug() +{ + local file="$BASH_COMP_DEBUG_FILE" + if [[ -n ${file} ]]; then + echo "$*" >> "${file}" + fi +} + +_%[1]s() +{ + local shellCompDirectiveError=%[3]d + local shellCompDirectiveNoSpace=%[4]d + local shellCompDirectiveNoFileComp=%[5]d + local shellCompDirectiveFilterFileExt=%[6]d + local shellCompDirectiveFilterDirs=%[7]d + + local lastParam lastChar flagPrefix requestComp out directive compCount comp lastComp + local -a completions + + __%[1]s_debug "\n========= starting completion logic ==========" + __%[1]s_debug "CURRENT: ${CURRENT}, words[*]: ${words[*]}" + + # The user could have moved the cursor backwards on the command-line. + # We need to trigger completion from the $CURRENT location, so we need + # to truncate the command-line ($words) up to the $CURRENT location. + # (We cannot use $CURSOR as its value does not work when a command is an alias.) + words=("${=words[1,CURRENT]}") + __%[1]s_debug "Truncated words[*]: ${words[*]}," + + lastParam=${words[-1]} + lastChar=${lastParam[-1]} + __%[1]s_debug "lastParam: ${lastParam}, lastChar: ${lastChar}" + + # For zsh, when completing a flag with an = (e.g., %[1]s -n=) + # completions must be prefixed with the flag + setopt local_options BASH_REMATCH + if [[ "${lastParam}" =~ '-.*=' ]]; then + # We are dealing with a flag with an = + flagPrefix="-P ${BASH_REMATCH}" + fi + + # Prepare the command to obtain completions + requestComp="${words[1]} %[2]s ${words[2,-1]}" + if [ "${lastChar}" = "" ]; then + # If the last parameter is complete (there is a space following it) + # We add an extra empty parameter so we can indicate this to the go completion code. + __%[1]s_debug "Adding extra empty parameter" + requestComp="${requestComp} \"\"" + fi + + __%[1]s_debug "About to call: eval ${requestComp}" + + # Use eval to handle any environment variables and such + out=$(eval ${requestComp} 2>/dev/null) + __%[1]s_debug "completion output: ${out}" + + # Extract the directive integer following a : from the last line + local lastLine + while IFS='\n' read -r line; do + lastLine=${line} + done < <(printf "%%s\n" "${out[@]}") + __%[1]s_debug "last line: ${lastLine}" + + if [ "${lastLine[1]}" = : ]; then + directive=${lastLine[2,-1]} + # Remove the directive including the : and the newline + local suffix + (( suffix=${#lastLine}+2)) + out=${out[1,-$suffix]} + else + # There is no directive specified. Leave $out as is. + __%[1]s_debug "No directive found. Setting do default" + directive=0 + fi + + __%[1]s_debug "directive: ${directive}" + __%[1]s_debug "completions: ${out}" + __%[1]s_debug "flagPrefix: ${flagPrefix}" + + if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then + __%[1]s_debug "Completion received error. Ignoring completions." + return + fi + + compCount=0 + while IFS='\n' read -r comp; do + if [ -n "$comp" ]; then + # If requested, completions are returned with a description. + # The description is preceded by a TAB character. + # For zsh's _describe, we need to use a : instead of a TAB. + # We first need to escape any : as part of the completion itself. + comp=${comp//:/\\:} + + local tab=$(printf '\t') + comp=${comp//$tab/:} + + ((compCount++)) + __%[1]s_debug "Adding completion: ${comp}" + completions+=${comp} + lastComp=$comp + fi + done < <(printf "%%s\n" "${out[@]}") + + if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then + # File extension filtering + local filteringCmd + filteringCmd='_files' + for filter in ${completions[@]}; do + if [ ${filter[1]} != '*' ]; then + # zsh requires a glob pattern to do file filtering + filter="\*.$filter" + fi + filteringCmd+=" -g $filter" + done + filteringCmd+=" ${flagPrefix}" + + __%[1]s_debug "File filtering command: $filteringCmd" + _arguments '*:filename:'"$filteringCmd" + elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then + # File completion for directories only + local subDir + subdir="${completions[1]}" + if [ -n "$subdir" ]; then + __%[1]s_debug "Listing directories in $subdir" + pushd "${subdir}" >/dev/null 2>&1 + else + __%[1]s_debug "Listing directories in ." + fi + + _arguments '*:dirname:_files -/'" ${flagPrefix}" + if [ -n "$subdir" ]; then + popd >/dev/null 2>&1 + fi + elif [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ] && [ ${compCount} -eq 1 ]; then + __%[1]s_debug "Activating nospace." + # We can use compadd here as there is no description when + # there is only one completion. + compadd -S '' "${lastComp}" + elif [ ${compCount} -eq 0 ]; then + if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then + __%[1]s_debug "deactivating file completion" + else + # Perform file completion + __%[1]s_debug "activating file completion" + _arguments '*:filename:_files'" ${flagPrefix}" + fi + else + _describe "completions" completions $(echo $flagPrefix) + fi +} + +# don't run the completion function when being source-ed or eval-ed +if [ "$funcstack[1]" = "_%[1]s" ]; then + _%[1]s +fi +`, name, compCmd, + ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp, + ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs)) +} diff --git a/vendor/github.com/spf13/cobra/zsh_completions.md b/vendor/github.com/spf13/cobra/zsh_completions.md new file mode 100644 index 0000000..7cff617 --- /dev/null +++ b/vendor/github.com/spf13/cobra/zsh_completions.md @@ -0,0 +1,48 @@ +## Generating Zsh Completion For Your cobra.Command + +Please refer to [Shell Completions](shell_completions.md) for details. + +## Zsh completions standardization + +Cobra 1.1 standardized its zsh completion support to align it with its other shell completions. Although the API was kept backwards-compatible, some small changes in behavior were introduced. + +### Deprecation summary + +See further below for more details on these deprecations. + +* `cmd.MarkZshCompPositionalArgumentFile(pos, []string{})` is no longer needed. It is therefore **deprecated** and silently ignored. +* `cmd.MarkZshCompPositionalArgumentFile(pos, glob[])` is **deprecated** and silently ignored. + * Instead use `ValidArgsFunction` with `ShellCompDirectiveFilterFileExt`. +* `cmd.MarkZshCompPositionalArgumentWords()` is **deprecated** and silently ignored. + * Instead use `ValidArgsFunction`. + +### Behavioral changes + +**Noun completion** +|Old behavior|New behavior| +|---|---| +|No file completion by default (opposite of bash)|File completion by default; use `ValidArgsFunction` with `ShellCompDirectiveNoFileComp` to turn off file completion on a per-argument basis| +|Completion of flag names without the `-` prefix having been typed|Flag names are only completed if the user has typed the first `-`| +`cmd.MarkZshCompPositionalArgumentFile(pos, []string{})` used to turn on file completion on a per-argument position basis|File completion for all arguments by default; `cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored| +|`cmd.MarkZshCompPositionalArgumentFile(pos, glob[])` used to turn on file completion **with glob filtering** on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored; use `ValidArgsFunction` with `ShellCompDirectiveFilterFileExt` for file **extension** filtering (not full glob filtering)| +|`cmd.MarkZshCompPositionalArgumentWords(pos, words[])` used to provide completion choices on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentWords()` is **deprecated** and silently ignored; use `ValidArgsFunction` to achieve the same behavior| + +**Flag-value completion** + +|Old behavior|New behavior| +|---|---| +|No file completion by default (opposite of bash)|File completion by default; use `RegisterFlagCompletionFunc()` with `ShellCompDirectiveNoFileComp` to turn off file completion| +|`cmd.MarkFlagFilename(flag, []string{})` and similar used to turn on file completion|File completion by default; `cmd.MarkFlagFilename(flag, []string{})` no longer needed in this context and silently ignored| +|`cmd.MarkFlagFilename(flag, glob[])` used to turn on file completion **with glob filtering** (syntax of `[]string{"*.yaml", "*.yml"}` incompatible with bash)|Will continue to work, however, support for bash syntax is added and should be used instead so as to work for all shells (`[]string{"yaml", "yml"}`)| +|`cmd.MarkFlagDirname(flag)` only completes directories (zsh-specific)|Has been added for all shells| +|Completion of a flag name does not repeat, unless flag is of type `*Array` or `*Slice` (not supported by bash)|Retained for `zsh` and added to `fish`| +|Completion of a flag name does not provide the `=` form (unlike bash)|Retained for `zsh` and added to `fish`| + +**Improvements** + +* Custom completion support (`ValidArgsFunction` and `RegisterFlagCompletionFunc()`) +* File completion by default if no other completions found +* Handling of required flags +* File extension filtering no longer mutually exclusive with bash usage +* Completion of directory names *within* another directory +* Support for `=` form of flags diff --git a/vendor/github.com/spf13/pflag/.gitignore b/vendor/github.com/spf13/pflag/.gitignore new file mode 100644 index 0000000..c3da290 --- /dev/null +++ b/vendor/github.com/spf13/pflag/.gitignore @@ -0,0 +1,2 @@ +.idea/* + diff --git a/vendor/github.com/spf13/pflag/.travis.yml b/vendor/github.com/spf13/pflag/.travis.yml new file mode 100644 index 0000000..00d04cb --- /dev/null +++ b/vendor/github.com/spf13/pflag/.travis.yml @@ -0,0 +1,22 @@ +sudo: false + +language: go + +go: + - 1.9.x + - 1.10.x + - 1.11.x + - tip + +matrix: + allow_failures: + - go: tip + +install: + - go get golang.org/x/lint/golint + - export PATH=$GOPATH/bin:$PATH + - go install ./... + +script: + - verify/all.sh -v + - go test ./... diff --git a/vendor/github.com/spf13/pflag/LICENSE b/vendor/github.com/spf13/pflag/LICENSE new file mode 100644 index 0000000..63ed1cf --- /dev/null +++ b/vendor/github.com/spf13/pflag/LICENSE @@ -0,0 +1,28 @@ +Copyright (c) 2012 Alex Ogier. All rights reserved. +Copyright (c) 2012 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/spf13/pflag/README.md b/vendor/github.com/spf13/pflag/README.md new file mode 100644 index 0000000..7eacc5b --- /dev/null +++ b/vendor/github.com/spf13/pflag/README.md @@ -0,0 +1,296 @@ +[![Build Status](https://travis-ci.org/spf13/pflag.svg?branch=master)](https://travis-ci.org/spf13/pflag) +[![Go Report Card](https://goreportcard.com/badge/github.com/spf13/pflag)](https://goreportcard.com/report/github.com/spf13/pflag) +[![GoDoc](https://godoc.org/github.com/spf13/pflag?status.svg)](https://godoc.org/github.com/spf13/pflag) + +## Description + +pflag is a drop-in replacement for Go's flag package, implementing +POSIX/GNU-style --flags. + +pflag is compatible with the [GNU extensions to the POSIX recommendations +for command-line options][1]. For a more precise description, see the +"Command-line flag syntax" section below. + +[1]: http://www.gnu.org/software/libc/manual/html_node/Argument-Syntax.html + +pflag is available under the same style of BSD license as the Go language, +which can be found in the LICENSE file. + +## Installation + +pflag is available using the standard `go get` command. + +Install by running: + + go get github.com/spf13/pflag + +Run tests by running: + + go test github.com/spf13/pflag + +## Usage + +pflag is a drop-in replacement of Go's native flag package. If you import +pflag under the name "flag" then all code should continue to function +with no changes. + +``` go +import flag "github.com/spf13/pflag" +``` + +There is one exception to this: if you directly instantiate the Flag struct +there is one more field "Shorthand" that you will need to set. +Most code never instantiates this struct directly, and instead uses +functions such as String(), BoolVar(), and Var(), and is therefore +unaffected. + +Define flags using flag.String(), Bool(), Int(), etc. + +This declares an integer flag, -flagname, stored in the pointer ip, with type *int. + +``` go +var ip *int = flag.Int("flagname", 1234, "help message for flagname") +``` + +If you like, you can bind the flag to a variable using the Var() functions. + +``` go +var flagvar int +func init() { + flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname") +} +``` + +Or you can create custom flags that satisfy the Value interface (with +pointer receivers) and couple them to flag parsing by + +``` go +flag.Var(&flagVal, "name", "help message for flagname") +``` + +For such flags, the default value is just the initial value of the variable. + +After all flags are defined, call + +``` go +flag.Parse() +``` + +to parse the command line into the defined flags. + +Flags may then be used directly. If you're using the flags themselves, +they are all pointers; if you bind to variables, they're values. + +``` go +fmt.Println("ip has value ", *ip) +fmt.Println("flagvar has value ", flagvar) +``` + +There are helper functions available to get the value stored in a Flag if you have a FlagSet but find +it difficult to keep up with all of the pointers in your code. +If you have a pflag.FlagSet with a flag called 'flagname' of type int you +can use GetInt() to get the int value. But notice that 'flagname' must exist +and it must be an int. GetString("flagname") will fail. + +``` go +i, err := flagset.GetInt("flagname") +``` + +After parsing, the arguments after the flag are available as the +slice flag.Args() or individually as flag.Arg(i). +The arguments are indexed from 0 through flag.NArg()-1. + +The pflag package also defines some new functions that are not in flag, +that give one-letter shorthands for flags. You can use these by appending +'P' to the name of any function that defines a flag. + +``` go +var ip = flag.IntP("flagname", "f", 1234, "help message") +var flagvar bool +func init() { + flag.BoolVarP(&flagvar, "boolname", "b", true, "help message") +} +flag.VarP(&flagVal, "varname", "v", "help message") +``` + +Shorthand letters can be used with single dashes on the command line. +Boolean shorthand flags can be combined with other shorthand flags. + +The default set of command-line flags is controlled by +top-level functions. The FlagSet type allows one to define +independent sets of flags, such as to implement subcommands +in a command-line interface. The methods of FlagSet are +analogous to the top-level functions for the command-line +flag set. + +## Setting no option default values for flags + +After you create a flag it is possible to set the pflag.NoOptDefVal for +the given flag. Doing this changes the meaning of the flag slightly. If +a flag has a NoOptDefVal and the flag is set on the command line without +an option the flag will be set to the NoOptDefVal. For example given: + +``` go +var ip = flag.IntP("flagname", "f", 1234, "help message") +flag.Lookup("flagname").NoOptDefVal = "4321" +``` + +Would result in something like + +| Parsed Arguments | Resulting Value | +| ------------- | ------------- | +| --flagname=1357 | ip=1357 | +| --flagname | ip=4321 | +| [nothing] | ip=1234 | + +## Command line flag syntax + +``` +--flag // boolean flags, or flags with no option default values +--flag x // only on flags without a default value +--flag=x +``` + +Unlike the flag package, a single dash before an option means something +different than a double dash. Single dashes signify a series of shorthand +letters for flags. All but the last shorthand letter must be boolean flags +or a flag with a default value + +``` +// boolean or flags where the 'no option default value' is set +-f +-f=true +-abc +but +-b true is INVALID + +// non-boolean and flags without a 'no option default value' +-n 1234 +-n=1234 +-n1234 + +// mixed +-abcs "hello" +-absd="hello" +-abcs1234 +``` + +Flag parsing stops after the terminator "--". Unlike the flag package, +flags can be interspersed with arguments anywhere on the command line +before this terminator. + +Integer flags accept 1234, 0664, 0x1234 and may be negative. +Boolean flags (in their long form) accept 1, 0, t, f, true, false, +TRUE, FALSE, True, False. +Duration flags accept any input valid for time.ParseDuration. + +## Mutating or "Normalizing" Flag names + +It is possible to set a custom flag name 'normalization function.' It allows flag names to be mutated both when created in the code and when used on the command line to some 'normalized' form. The 'normalized' form is used for comparison. Two examples of using the custom normalization func follow. + +**Example #1**: You want -, _, and . in flags to compare the same. aka --my-flag == --my_flag == --my.flag + +``` go +func wordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName { + from := []string{"-", "_"} + to := "." + for _, sep := range from { + name = strings.Replace(name, sep, to, -1) + } + return pflag.NormalizedName(name) +} + +myFlagSet.SetNormalizeFunc(wordSepNormalizeFunc) +``` + +**Example #2**: You want to alias two flags. aka --old-flag-name == --new-flag-name + +``` go +func aliasNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName { + switch name { + case "old-flag-name": + name = "new-flag-name" + break + } + return pflag.NormalizedName(name) +} + +myFlagSet.SetNormalizeFunc(aliasNormalizeFunc) +``` + +## Deprecating a flag or its shorthand +It is possible to deprecate a flag, or just its shorthand. Deprecating a flag/shorthand hides it from help text and prints a usage message when the deprecated flag/shorthand is used. + +**Example #1**: You want to deprecate a flag named "badflag" as well as inform the users what flag they should use instead. +```go +// deprecate a flag by specifying its name and a usage message +flags.MarkDeprecated("badflag", "please use --good-flag instead") +``` +This hides "badflag" from help text, and prints `Flag --badflag has been deprecated, please use --good-flag instead` when "badflag" is used. + +**Example #2**: You want to keep a flag name "noshorthandflag" but deprecate its shortname "n". +```go +// deprecate a flag shorthand by specifying its flag name and a usage message +flags.MarkShorthandDeprecated("noshorthandflag", "please use --noshorthandflag only") +``` +This hides the shortname "n" from help text, and prints `Flag shorthand -n has been deprecated, please use --noshorthandflag only` when the shorthand "n" is used. + +Note that usage message is essential here, and it should not be empty. + +## Hidden flags +It is possible to mark a flag as hidden, meaning it will still function as normal, however will not show up in usage/help text. + +**Example**: You have a flag named "secretFlag" that you need for internal use only and don't want it showing up in help text, or for its usage text to be available. +```go +// hide a flag by specifying its name +flags.MarkHidden("secretFlag") +``` + +## Disable sorting of flags +`pflag` allows you to disable sorting of flags for help and usage message. + +**Example**: +```go +flags.BoolP("verbose", "v", false, "verbose output") +flags.String("coolflag", "yeaah", "it's really cool flag") +flags.Int("usefulflag", 777, "sometimes it's very useful") +flags.SortFlags = false +flags.PrintDefaults() +``` +**Output**: +``` + -v, --verbose verbose output + --coolflag string it's really cool flag (default "yeaah") + --usefulflag int sometimes it's very useful (default 777) +``` + + +## Supporting Go flags when using pflag +In order to support flags defined using Go's `flag` package, they must be added to the `pflag` flagset. This is usually necessary +to support flags defined by third-party dependencies (e.g. `golang/glog`). + +**Example**: You want to add the Go flags to the `CommandLine` flagset +```go +import ( + goflag "flag" + flag "github.com/spf13/pflag" +) + +var ip *int = flag.Int("flagname", 1234, "help message for flagname") + +func main() { + flag.CommandLine.AddGoFlagSet(goflag.CommandLine) + flag.Parse() +} +``` + +## More info + +You can see the full reference documentation of the pflag package +[at godoc.org][3], or through go's standard documentation system by +running `godoc -http=:6060` and browsing to +[http://localhost:6060/pkg/github.com/spf13/pflag][2] after +installation. + +[2]: http://localhost:6060/pkg/github.com/spf13/pflag +[3]: http://godoc.org/github.com/spf13/pflag diff --git a/vendor/github.com/spf13/pflag/bool.go b/vendor/github.com/spf13/pflag/bool.go new file mode 100644 index 0000000..c4c5c0b --- /dev/null +++ b/vendor/github.com/spf13/pflag/bool.go @@ -0,0 +1,94 @@ +package pflag + +import "strconv" + +// optional interface to indicate boolean flags that can be +// supplied without "=value" text +type boolFlag interface { + Value + IsBoolFlag() bool +} + +// -- bool Value +type boolValue bool + +func newBoolValue(val bool, p *bool) *boolValue { + *p = val + return (*boolValue)(p) +} + +func (b *boolValue) Set(s string) error { + v, err := strconv.ParseBool(s) + *b = boolValue(v) + return err +} + +func (b *boolValue) Type() string { + return "bool" +} + +func (b *boolValue) String() string { return strconv.FormatBool(bool(*b)) } + +func (b *boolValue) IsBoolFlag() bool { return true } + +func boolConv(sval string) (interface{}, error) { + return strconv.ParseBool(sval) +} + +// GetBool return the bool value of a flag with the given name +func (f *FlagSet) GetBool(name string) (bool, error) { + val, err := f.getFlagType(name, "bool", boolConv) + if err != nil { + return false, err + } + return val.(bool), nil +} + +// BoolVar defines a bool flag with specified name, default value, and usage string. +// The argument p points to a bool variable in which to store the value of the flag. +func (f *FlagSet) BoolVar(p *bool, name string, value bool, usage string) { + f.BoolVarP(p, name, "", value, usage) +} + +// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BoolVarP(p *bool, name, shorthand string, value bool, usage string) { + flag := f.VarPF(newBoolValue(value, p), name, shorthand, usage) + flag.NoOptDefVal = "true" +} + +// BoolVar defines a bool flag with specified name, default value, and usage string. +// The argument p points to a bool variable in which to store the value of the flag. +func BoolVar(p *bool, name string, value bool, usage string) { + BoolVarP(p, name, "", value, usage) +} + +// BoolVarP is like BoolVar, but accepts a shorthand letter that can be used after a single dash. +func BoolVarP(p *bool, name, shorthand string, value bool, usage string) { + flag := CommandLine.VarPF(newBoolValue(value, p), name, shorthand, usage) + flag.NoOptDefVal = "true" +} + +// Bool defines a bool flag with specified name, default value, and usage string. +// The return value is the address of a bool variable that stores the value of the flag. +func (f *FlagSet) Bool(name string, value bool, usage string) *bool { + return f.BoolP(name, "", value, usage) +} + +// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BoolP(name, shorthand string, value bool, usage string) *bool { + p := new(bool) + f.BoolVarP(p, name, shorthand, value, usage) + return p +} + +// Bool defines a bool flag with specified name, default value, and usage string. +// The return value is the address of a bool variable that stores the value of the flag. +func Bool(name string, value bool, usage string) *bool { + return BoolP(name, "", value, usage) +} + +// BoolP is like Bool, but accepts a shorthand letter that can be used after a single dash. +func BoolP(name, shorthand string, value bool, usage string) *bool { + b := CommandLine.BoolP(name, shorthand, value, usage) + return b +} diff --git a/vendor/github.com/spf13/pflag/bool_slice.go b/vendor/github.com/spf13/pflag/bool_slice.go new file mode 100644 index 0000000..3731370 --- /dev/null +++ b/vendor/github.com/spf13/pflag/bool_slice.go @@ -0,0 +1,185 @@ +package pflag + +import ( + "io" + "strconv" + "strings" +) + +// -- boolSlice Value +type boolSliceValue struct { + value *[]bool + changed bool +} + +func newBoolSliceValue(val []bool, p *[]bool) *boolSliceValue { + bsv := new(boolSliceValue) + bsv.value = p + *bsv.value = val + return bsv +} + +// Set converts, and assigns, the comma-separated boolean argument string representation as the []bool value of this flag. +// If Set is called on a flag that already has a []bool assigned, the newly converted values will be appended. +func (s *boolSliceValue) Set(val string) error { + + // remove all quote characters + rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "") + + // read flag arguments with CSV parser + boolStrSlice, err := readAsCSV(rmQuote.Replace(val)) + if err != nil && err != io.EOF { + return err + } + + // parse boolean values into slice + out := make([]bool, 0, len(boolStrSlice)) + for _, boolStr := range boolStrSlice { + b, err := strconv.ParseBool(strings.TrimSpace(boolStr)) + if err != nil { + return err + } + out = append(out, b) + } + + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + + s.changed = true + + return nil +} + +// Type returns a string that uniquely represents this flag's type. +func (s *boolSliceValue) Type() string { + return "boolSlice" +} + +// String defines a "native" format for this boolean slice flag value. +func (s *boolSliceValue) String() string { + + boolStrSlice := make([]string, len(*s.value)) + for i, b := range *s.value { + boolStrSlice[i] = strconv.FormatBool(b) + } + + out, _ := writeAsCSV(boolStrSlice) + + return "[" + out + "]" +} + +func (s *boolSliceValue) fromString(val string) (bool, error) { + return strconv.ParseBool(val) +} + +func (s *boolSliceValue) toString(val bool) string { + return strconv.FormatBool(val) +} + +func (s *boolSliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *boolSliceValue) Replace(val []string) error { + out := make([]bool, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *boolSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func boolSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []bool{}, nil + } + ss := strings.Split(val, ",") + out := make([]bool, len(ss)) + for i, t := range ss { + var err error + out[i], err = strconv.ParseBool(t) + if err != nil { + return nil, err + } + } + return out, nil +} + +// GetBoolSlice returns the []bool value of a flag with the given name. +func (f *FlagSet) GetBoolSlice(name string) ([]bool, error) { + val, err := f.getFlagType(name, "boolSlice", boolSliceConv) + if err != nil { + return []bool{}, err + } + return val.([]bool), nil +} + +// BoolSliceVar defines a boolSlice flag with specified name, default value, and usage string. +// The argument p points to a []bool variable in which to store the value of the flag. +func (f *FlagSet) BoolSliceVar(p *[]bool, name string, value []bool, usage string) { + f.VarP(newBoolSliceValue(value, p), name, "", usage) +} + +// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) { + f.VarP(newBoolSliceValue(value, p), name, shorthand, usage) +} + +// BoolSliceVar defines a []bool flag with specified name, default value, and usage string. +// The argument p points to a []bool variable in which to store the value of the flag. +func BoolSliceVar(p *[]bool, name string, value []bool, usage string) { + CommandLine.VarP(newBoolSliceValue(value, p), name, "", usage) +} + +// BoolSliceVarP is like BoolSliceVar, but accepts a shorthand letter that can be used after a single dash. +func BoolSliceVarP(p *[]bool, name, shorthand string, value []bool, usage string) { + CommandLine.VarP(newBoolSliceValue(value, p), name, shorthand, usage) +} + +// BoolSlice defines a []bool flag with specified name, default value, and usage string. +// The return value is the address of a []bool variable that stores the value of the flag. +func (f *FlagSet) BoolSlice(name string, value []bool, usage string) *[]bool { + p := []bool{} + f.BoolSliceVarP(&p, name, "", value, usage) + return &p +} + +// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool { + p := []bool{} + f.BoolSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// BoolSlice defines a []bool flag with specified name, default value, and usage string. +// The return value is the address of a []bool variable that stores the value of the flag. +func BoolSlice(name string, value []bool, usage string) *[]bool { + return CommandLine.BoolSliceP(name, "", value, usage) +} + +// BoolSliceP is like BoolSlice, but accepts a shorthand letter that can be used after a single dash. +func BoolSliceP(name, shorthand string, value []bool, usage string) *[]bool { + return CommandLine.BoolSliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/bytes.go b/vendor/github.com/spf13/pflag/bytes.go new file mode 100644 index 0000000..67d5304 --- /dev/null +++ b/vendor/github.com/spf13/pflag/bytes.go @@ -0,0 +1,209 @@ +package pflag + +import ( + "encoding/base64" + "encoding/hex" + "fmt" + "strings" +) + +// BytesHex adapts []byte for use as a flag. Value of flag is HEX encoded +type bytesHexValue []byte + +// String implements pflag.Value.String. +func (bytesHex bytesHexValue) String() string { + return fmt.Sprintf("%X", []byte(bytesHex)) +} + +// Set implements pflag.Value.Set. +func (bytesHex *bytesHexValue) Set(value string) error { + bin, err := hex.DecodeString(strings.TrimSpace(value)) + + if err != nil { + return err + } + + *bytesHex = bin + + return nil +} + +// Type implements pflag.Value.Type. +func (*bytesHexValue) Type() string { + return "bytesHex" +} + +func newBytesHexValue(val []byte, p *[]byte) *bytesHexValue { + *p = val + return (*bytesHexValue)(p) +} + +func bytesHexConv(sval string) (interface{}, error) { + + bin, err := hex.DecodeString(sval) + + if err == nil { + return bin, nil + } + + return nil, fmt.Errorf("invalid string being converted to Bytes: %s %s", sval, err) +} + +// GetBytesHex return the []byte value of a flag with the given name +func (f *FlagSet) GetBytesHex(name string) ([]byte, error) { + val, err := f.getFlagType(name, "bytesHex", bytesHexConv) + + if err != nil { + return []byte{}, err + } + + return val.([]byte), nil +} + +// BytesHexVar defines an []byte flag with specified name, default value, and usage string. +// The argument p points to an []byte variable in which to store the value of the flag. +func (f *FlagSet) BytesHexVar(p *[]byte, name string, value []byte, usage string) { + f.VarP(newBytesHexValue(value, p), name, "", usage) +} + +// BytesHexVarP is like BytesHexVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BytesHexVarP(p *[]byte, name, shorthand string, value []byte, usage string) { + f.VarP(newBytesHexValue(value, p), name, shorthand, usage) +} + +// BytesHexVar defines an []byte flag with specified name, default value, and usage string. +// The argument p points to an []byte variable in which to store the value of the flag. +func BytesHexVar(p *[]byte, name string, value []byte, usage string) { + CommandLine.VarP(newBytesHexValue(value, p), name, "", usage) +} + +// BytesHexVarP is like BytesHexVar, but accepts a shorthand letter that can be used after a single dash. +func BytesHexVarP(p *[]byte, name, shorthand string, value []byte, usage string) { + CommandLine.VarP(newBytesHexValue(value, p), name, shorthand, usage) +} + +// BytesHex defines an []byte flag with specified name, default value, and usage string. +// The return value is the address of an []byte variable that stores the value of the flag. +func (f *FlagSet) BytesHex(name string, value []byte, usage string) *[]byte { + p := new([]byte) + f.BytesHexVarP(p, name, "", value, usage) + return p +} + +// BytesHexP is like BytesHex, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BytesHexP(name, shorthand string, value []byte, usage string) *[]byte { + p := new([]byte) + f.BytesHexVarP(p, name, shorthand, value, usage) + return p +} + +// BytesHex defines an []byte flag with specified name, default value, and usage string. +// The return value is the address of an []byte variable that stores the value of the flag. +func BytesHex(name string, value []byte, usage string) *[]byte { + return CommandLine.BytesHexP(name, "", value, usage) +} + +// BytesHexP is like BytesHex, but accepts a shorthand letter that can be used after a single dash. +func BytesHexP(name, shorthand string, value []byte, usage string) *[]byte { + return CommandLine.BytesHexP(name, shorthand, value, usage) +} + +// BytesBase64 adapts []byte for use as a flag. Value of flag is Base64 encoded +type bytesBase64Value []byte + +// String implements pflag.Value.String. +func (bytesBase64 bytesBase64Value) String() string { + return base64.StdEncoding.EncodeToString([]byte(bytesBase64)) +} + +// Set implements pflag.Value.Set. +func (bytesBase64 *bytesBase64Value) Set(value string) error { + bin, err := base64.StdEncoding.DecodeString(strings.TrimSpace(value)) + + if err != nil { + return err + } + + *bytesBase64 = bin + + return nil +} + +// Type implements pflag.Value.Type. +func (*bytesBase64Value) Type() string { + return "bytesBase64" +} + +func newBytesBase64Value(val []byte, p *[]byte) *bytesBase64Value { + *p = val + return (*bytesBase64Value)(p) +} + +func bytesBase64ValueConv(sval string) (interface{}, error) { + + bin, err := base64.StdEncoding.DecodeString(sval) + if err == nil { + return bin, nil + } + + return nil, fmt.Errorf("invalid string being converted to Bytes: %s %s", sval, err) +} + +// GetBytesBase64 return the []byte value of a flag with the given name +func (f *FlagSet) GetBytesBase64(name string) ([]byte, error) { + val, err := f.getFlagType(name, "bytesBase64", bytesBase64ValueConv) + + if err != nil { + return []byte{}, err + } + + return val.([]byte), nil +} + +// BytesBase64Var defines an []byte flag with specified name, default value, and usage string. +// The argument p points to an []byte variable in which to store the value of the flag. +func (f *FlagSet) BytesBase64Var(p *[]byte, name string, value []byte, usage string) { + f.VarP(newBytesBase64Value(value, p), name, "", usage) +} + +// BytesBase64VarP is like BytesBase64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BytesBase64VarP(p *[]byte, name, shorthand string, value []byte, usage string) { + f.VarP(newBytesBase64Value(value, p), name, shorthand, usage) +} + +// BytesBase64Var defines an []byte flag with specified name, default value, and usage string. +// The argument p points to an []byte variable in which to store the value of the flag. +func BytesBase64Var(p *[]byte, name string, value []byte, usage string) { + CommandLine.VarP(newBytesBase64Value(value, p), name, "", usage) +} + +// BytesBase64VarP is like BytesBase64Var, but accepts a shorthand letter that can be used after a single dash. +func BytesBase64VarP(p *[]byte, name, shorthand string, value []byte, usage string) { + CommandLine.VarP(newBytesBase64Value(value, p), name, shorthand, usage) +} + +// BytesBase64 defines an []byte flag with specified name, default value, and usage string. +// The return value is the address of an []byte variable that stores the value of the flag. +func (f *FlagSet) BytesBase64(name string, value []byte, usage string) *[]byte { + p := new([]byte) + f.BytesBase64VarP(p, name, "", value, usage) + return p +} + +// BytesBase64P is like BytesBase64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) BytesBase64P(name, shorthand string, value []byte, usage string) *[]byte { + p := new([]byte) + f.BytesBase64VarP(p, name, shorthand, value, usage) + return p +} + +// BytesBase64 defines an []byte flag with specified name, default value, and usage string. +// The return value is the address of an []byte variable that stores the value of the flag. +func BytesBase64(name string, value []byte, usage string) *[]byte { + return CommandLine.BytesBase64P(name, "", value, usage) +} + +// BytesBase64P is like BytesBase64, but accepts a shorthand letter that can be used after a single dash. +func BytesBase64P(name, shorthand string, value []byte, usage string) *[]byte { + return CommandLine.BytesBase64P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/count.go b/vendor/github.com/spf13/pflag/count.go new file mode 100644 index 0000000..a0b2679 --- /dev/null +++ b/vendor/github.com/spf13/pflag/count.go @@ -0,0 +1,96 @@ +package pflag + +import "strconv" + +// -- count Value +type countValue int + +func newCountValue(val int, p *int) *countValue { + *p = val + return (*countValue)(p) +} + +func (i *countValue) Set(s string) error { + // "+1" means that no specific value was passed, so increment + if s == "+1" { + *i = countValue(*i + 1) + return nil + } + v, err := strconv.ParseInt(s, 0, 0) + *i = countValue(v) + return err +} + +func (i *countValue) Type() string { + return "count" +} + +func (i *countValue) String() string { return strconv.Itoa(int(*i)) } + +func countConv(sval string) (interface{}, error) { + i, err := strconv.Atoi(sval) + if err != nil { + return nil, err + } + return i, nil +} + +// GetCount return the int value of a flag with the given name +func (f *FlagSet) GetCount(name string) (int, error) { + val, err := f.getFlagType(name, "count", countConv) + if err != nil { + return 0, err + } + return val.(int), nil +} + +// CountVar defines a count flag with specified name, default value, and usage string. +// The argument p points to an int variable in which to store the value of the flag. +// A count flag will add 1 to its value every time it is found on the command line +func (f *FlagSet) CountVar(p *int, name string, usage string) { + f.CountVarP(p, name, "", usage) +} + +// CountVarP is like CountVar only take a shorthand for the flag name. +func (f *FlagSet) CountVarP(p *int, name, shorthand string, usage string) { + flag := f.VarPF(newCountValue(0, p), name, shorthand, usage) + flag.NoOptDefVal = "+1" +} + +// CountVar like CountVar only the flag is placed on the CommandLine instead of a given flag set +func CountVar(p *int, name string, usage string) { + CommandLine.CountVar(p, name, usage) +} + +// CountVarP is like CountVar only take a shorthand for the flag name. +func CountVarP(p *int, name, shorthand string, usage string) { + CommandLine.CountVarP(p, name, shorthand, usage) +} + +// Count defines a count flag with specified name, default value, and usage string. +// The return value is the address of an int variable that stores the value of the flag. +// A count flag will add 1 to its value every time it is found on the command line +func (f *FlagSet) Count(name string, usage string) *int { + p := new(int) + f.CountVarP(p, name, "", usage) + return p +} + +// CountP is like Count only takes a shorthand for the flag name. +func (f *FlagSet) CountP(name, shorthand string, usage string) *int { + p := new(int) + f.CountVarP(p, name, shorthand, usage) + return p +} + +// Count defines a count flag with specified name, default value, and usage string. +// The return value is the address of an int variable that stores the value of the flag. +// A count flag will add 1 to its value evey time it is found on the command line +func Count(name string, usage string) *int { + return CommandLine.CountP(name, "", usage) +} + +// CountP is like Count only takes a shorthand for the flag name. +func CountP(name, shorthand string, usage string) *int { + return CommandLine.CountP(name, shorthand, usage) +} diff --git a/vendor/github.com/spf13/pflag/duration.go b/vendor/github.com/spf13/pflag/duration.go new file mode 100644 index 0000000..e9debef --- /dev/null +++ b/vendor/github.com/spf13/pflag/duration.go @@ -0,0 +1,86 @@ +package pflag + +import ( + "time" +) + +// -- time.Duration Value +type durationValue time.Duration + +func newDurationValue(val time.Duration, p *time.Duration) *durationValue { + *p = val + return (*durationValue)(p) +} + +func (d *durationValue) Set(s string) error { + v, err := time.ParseDuration(s) + *d = durationValue(v) + return err +} + +func (d *durationValue) Type() string { + return "duration" +} + +func (d *durationValue) String() string { return (*time.Duration)(d).String() } + +func durationConv(sval string) (interface{}, error) { + return time.ParseDuration(sval) +} + +// GetDuration return the duration value of a flag with the given name +func (f *FlagSet) GetDuration(name string) (time.Duration, error) { + val, err := f.getFlagType(name, "duration", durationConv) + if err != nil { + return 0, err + } + return val.(time.Duration), nil +} + +// DurationVar defines a time.Duration flag with specified name, default value, and usage string. +// The argument p points to a time.Duration variable in which to store the value of the flag. +func (f *FlagSet) DurationVar(p *time.Duration, name string, value time.Duration, usage string) { + f.VarP(newDurationValue(value, p), name, "", usage) +} + +// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) { + f.VarP(newDurationValue(value, p), name, shorthand, usage) +} + +// DurationVar defines a time.Duration flag with specified name, default value, and usage string. +// The argument p points to a time.Duration variable in which to store the value of the flag. +func DurationVar(p *time.Duration, name string, value time.Duration, usage string) { + CommandLine.VarP(newDurationValue(value, p), name, "", usage) +} + +// DurationVarP is like DurationVar, but accepts a shorthand letter that can be used after a single dash. +func DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) { + CommandLine.VarP(newDurationValue(value, p), name, shorthand, usage) +} + +// Duration defines a time.Duration flag with specified name, default value, and usage string. +// The return value is the address of a time.Duration variable that stores the value of the flag. +func (f *FlagSet) Duration(name string, value time.Duration, usage string) *time.Duration { + p := new(time.Duration) + f.DurationVarP(p, name, "", value, usage) + return p +} + +// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration { + p := new(time.Duration) + f.DurationVarP(p, name, shorthand, value, usage) + return p +} + +// Duration defines a time.Duration flag with specified name, default value, and usage string. +// The return value is the address of a time.Duration variable that stores the value of the flag. +func Duration(name string, value time.Duration, usage string) *time.Duration { + return CommandLine.DurationP(name, "", value, usage) +} + +// DurationP is like Duration, but accepts a shorthand letter that can be used after a single dash. +func DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration { + return CommandLine.DurationP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/duration_slice.go b/vendor/github.com/spf13/pflag/duration_slice.go new file mode 100644 index 0000000..badadda --- /dev/null +++ b/vendor/github.com/spf13/pflag/duration_slice.go @@ -0,0 +1,166 @@ +package pflag + +import ( + "fmt" + "strings" + "time" +) + +// -- durationSlice Value +type durationSliceValue struct { + value *[]time.Duration + changed bool +} + +func newDurationSliceValue(val []time.Duration, p *[]time.Duration) *durationSliceValue { + dsv := new(durationSliceValue) + dsv.value = p + *dsv.value = val + return dsv +} + +func (s *durationSliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]time.Duration, len(ss)) + for i, d := range ss { + var err error + out[i], err = time.ParseDuration(d) + if err != nil { + return err + } + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *durationSliceValue) Type() string { + return "durationSlice" +} + +func (s *durationSliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%s", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *durationSliceValue) fromString(val string) (time.Duration, error) { + return time.ParseDuration(val) +} + +func (s *durationSliceValue) toString(val time.Duration) string { + return fmt.Sprintf("%s", val) +} + +func (s *durationSliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *durationSliceValue) Replace(val []string) error { + out := make([]time.Duration, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *durationSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func durationSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []time.Duration{}, nil + } + ss := strings.Split(val, ",") + out := make([]time.Duration, len(ss)) + for i, d := range ss { + var err error + out[i], err = time.ParseDuration(d) + if err != nil { + return nil, err + } + + } + return out, nil +} + +// GetDurationSlice returns the []time.Duration value of a flag with the given name +func (f *FlagSet) GetDurationSlice(name string) ([]time.Duration, error) { + val, err := f.getFlagType(name, "durationSlice", durationSliceConv) + if err != nil { + return []time.Duration{}, err + } + return val.([]time.Duration), nil +} + +// DurationSliceVar defines a durationSlice flag with specified name, default value, and usage string. +// The argument p points to a []time.Duration variable in which to store the value of the flag. +func (f *FlagSet) DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) { + f.VarP(newDurationSliceValue(value, p), name, "", usage) +} + +// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) { + f.VarP(newDurationSliceValue(value, p), name, shorthand, usage) +} + +// DurationSliceVar defines a duration[] flag with specified name, default value, and usage string. +// The argument p points to a duration[] variable in which to store the value of the flag. +func DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) { + CommandLine.VarP(newDurationSliceValue(value, p), name, "", usage) +} + +// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash. +func DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) { + CommandLine.VarP(newDurationSliceValue(value, p), name, shorthand, usage) +} + +// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string. +// The return value is the address of a []time.Duration variable that stores the value of the flag. +func (f *FlagSet) DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration { + p := []time.Duration{} + f.DurationSliceVarP(&p, name, "", value, usage) + return &p +} + +// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration { + p := []time.Duration{} + f.DurationSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string. +// The return value is the address of a []time.Duration variable that stores the value of the flag. +func DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration { + return CommandLine.DurationSliceP(name, "", value, usage) +} + +// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash. +func DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration { + return CommandLine.DurationSliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/flag.go b/vendor/github.com/spf13/pflag/flag.go new file mode 100644 index 0000000..24a5036 --- /dev/null +++ b/vendor/github.com/spf13/pflag/flag.go @@ -0,0 +1,1239 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package pflag is a drop-in replacement for Go's flag package, implementing +POSIX/GNU-style --flags. + +pflag is compatible with the GNU extensions to the POSIX recommendations +for command-line options. See +http://www.gnu.org/software/libc/manual/html_node/Argument-Syntax.html + +Usage: + +pflag is a drop-in replacement of Go's native flag package. If you import +pflag under the name "flag" then all code should continue to function +with no changes. + + import flag "github.com/spf13/pflag" + +There is one exception to this: if you directly instantiate the Flag struct +there is one more field "Shorthand" that you will need to set. +Most code never instantiates this struct directly, and instead uses +functions such as String(), BoolVar(), and Var(), and is therefore +unaffected. + +Define flags using flag.String(), Bool(), Int(), etc. + +This declares an integer flag, -flagname, stored in the pointer ip, with type *int. + var ip = flag.Int("flagname", 1234, "help message for flagname") +If you like, you can bind the flag to a variable using the Var() functions. + var flagvar int + func init() { + flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname") + } +Or you can create custom flags that satisfy the Value interface (with +pointer receivers) and couple them to flag parsing by + flag.Var(&flagVal, "name", "help message for flagname") +For such flags, the default value is just the initial value of the variable. + +After all flags are defined, call + flag.Parse() +to parse the command line into the defined flags. + +Flags may then be used directly. If you're using the flags themselves, +they are all pointers; if you bind to variables, they're values. + fmt.Println("ip has value ", *ip) + fmt.Println("flagvar has value ", flagvar) + +After parsing, the arguments after the flag are available as the +slice flag.Args() or individually as flag.Arg(i). +The arguments are indexed from 0 through flag.NArg()-1. + +The pflag package also defines some new functions that are not in flag, +that give one-letter shorthands for flags. You can use these by appending +'P' to the name of any function that defines a flag. + var ip = flag.IntP("flagname", "f", 1234, "help message") + var flagvar bool + func init() { + flag.BoolVarP(&flagvar, "boolname", "b", true, "help message") + } + flag.VarP(&flagval, "varname", "v", "help message") +Shorthand letters can be used with single dashes on the command line. +Boolean shorthand flags can be combined with other shorthand flags. + +Command line flag syntax: + --flag // boolean flags only + --flag=x + +Unlike the flag package, a single dash before an option means something +different than a double dash. Single dashes signify a series of shorthand +letters for flags. All but the last shorthand letter must be boolean flags. + // boolean flags + -f + -abc + // non-boolean flags + -n 1234 + -Ifile + // mixed + -abcs "hello" + -abcn1234 + +Flag parsing stops after the terminator "--". Unlike the flag package, +flags can be interspersed with arguments anywhere on the command line +before this terminator. + +Integer flags accept 1234, 0664, 0x1234 and may be negative. +Boolean flags (in their long form) accept 1, 0, t, f, true, false, +TRUE, FALSE, True, False. +Duration flags accept any input valid for time.ParseDuration. + +The default set of command-line flags is controlled by +top-level functions. The FlagSet type allows one to define +independent sets of flags, such as to implement subcommands +in a command-line interface. The methods of FlagSet are +analogous to the top-level functions for the command-line +flag set. +*/ +package pflag + +import ( + "bytes" + "errors" + goflag "flag" + "fmt" + "io" + "os" + "sort" + "strings" +) + +// ErrHelp is the error returned if the flag -help is invoked but no such flag is defined. +var ErrHelp = errors.New("pflag: help requested") + +// ErrorHandling defines how to handle flag parsing errors. +type ErrorHandling int + +const ( + // ContinueOnError will return an err from Parse() if an error is found + ContinueOnError ErrorHandling = iota + // ExitOnError will call os.Exit(2) if an error is found when parsing + ExitOnError + // PanicOnError will panic() if an error is found when parsing flags + PanicOnError +) + +// ParseErrorsWhitelist defines the parsing errors that can be ignored +type ParseErrorsWhitelist struct { + // UnknownFlags will ignore unknown flags errors and continue parsing rest of the flags + UnknownFlags bool +} + +// NormalizedName is a flag name that has been normalized according to rules +// for the FlagSet (e.g. making '-' and '_' equivalent). +type NormalizedName string + +// A FlagSet represents a set of defined flags. +type FlagSet struct { + // Usage is the function called when an error occurs while parsing flags. + // The field is a function (not a method) that may be changed to point to + // a custom error handler. + Usage func() + + // SortFlags is used to indicate, if user wants to have sorted flags in + // help/usage messages. + SortFlags bool + + // ParseErrorsWhitelist is used to configure a whitelist of errors + ParseErrorsWhitelist ParseErrorsWhitelist + + name string + parsed bool + actual map[NormalizedName]*Flag + orderedActual []*Flag + sortedActual []*Flag + formal map[NormalizedName]*Flag + orderedFormal []*Flag + sortedFormal []*Flag + shorthands map[byte]*Flag + args []string // arguments after flags + argsLenAtDash int // len(args) when a '--' was located when parsing, or -1 if no -- + errorHandling ErrorHandling + output io.Writer // nil means stderr; use out() accessor + interspersed bool // allow interspersed option/non-option args + normalizeNameFunc func(f *FlagSet, name string) NormalizedName + + addedGoFlagSets []*goflag.FlagSet +} + +// A Flag represents the state of a flag. +type Flag struct { + Name string // name as it appears on command line + Shorthand string // one-letter abbreviated flag + Usage string // help message + Value Value // value as set + DefValue string // default value (as text); for usage message + Changed bool // If the user set the value (or if left to default) + NoOptDefVal string // default value (as text); if the flag is on the command line without any options + Deprecated string // If this flag is deprecated, this string is the new or now thing to use + Hidden bool // used by cobra.Command to allow flags to be hidden from help/usage text + ShorthandDeprecated string // If the shorthand of this flag is deprecated, this string is the new or now thing to use + Annotations map[string][]string // used by cobra.Command bash autocomple code +} + +// Value is the interface to the dynamic value stored in a flag. +// (The default value is represented as a string.) +type Value interface { + String() string + Set(string) error + Type() string +} + +// SliceValue is a secondary interface to all flags which hold a list +// of values. This allows full control over the value of list flags, +// and avoids complicated marshalling and unmarshalling to csv. +type SliceValue interface { + // Append adds the specified value to the end of the flag value list. + Append(string) error + // Replace will fully overwrite any data currently in the flag value list. + Replace([]string) error + // GetSlice returns the flag value list as an array of strings. + GetSlice() []string +} + +// sortFlags returns the flags as a slice in lexicographical sorted order. +func sortFlags(flags map[NormalizedName]*Flag) []*Flag { + list := make(sort.StringSlice, len(flags)) + i := 0 + for k := range flags { + list[i] = string(k) + i++ + } + list.Sort() + result := make([]*Flag, len(list)) + for i, name := range list { + result[i] = flags[NormalizedName(name)] + } + return result +} + +// SetNormalizeFunc allows you to add a function which can translate flag names. +// Flags added to the FlagSet will be translated and then when anything tries to +// look up the flag that will also be translated. So it would be possible to create +// a flag named "getURL" and have it translated to "geturl". A user could then pass +// "--getUrl" which may also be translated to "geturl" and everything will work. +func (f *FlagSet) SetNormalizeFunc(n func(f *FlagSet, name string) NormalizedName) { + f.normalizeNameFunc = n + f.sortedFormal = f.sortedFormal[:0] + for fname, flag := range f.formal { + nname := f.normalizeFlagName(flag.Name) + if fname == nname { + continue + } + flag.Name = string(nname) + delete(f.formal, fname) + f.formal[nname] = flag + if _, set := f.actual[fname]; set { + delete(f.actual, fname) + f.actual[nname] = flag + } + } +} + +// GetNormalizeFunc returns the previously set NormalizeFunc of a function which +// does no translation, if not set previously. +func (f *FlagSet) GetNormalizeFunc() func(f *FlagSet, name string) NormalizedName { + if f.normalizeNameFunc != nil { + return f.normalizeNameFunc + } + return func(f *FlagSet, name string) NormalizedName { return NormalizedName(name) } +} + +func (f *FlagSet) normalizeFlagName(name string) NormalizedName { + n := f.GetNormalizeFunc() + return n(f, name) +} + +func (f *FlagSet) out() io.Writer { + if f.output == nil { + return os.Stderr + } + return f.output +} + +// SetOutput sets the destination for usage and error messages. +// If output is nil, os.Stderr is used. +func (f *FlagSet) SetOutput(output io.Writer) { + f.output = output +} + +// VisitAll visits the flags in lexicographical order or +// in primordial order if f.SortFlags is false, calling fn for each. +// It visits all flags, even those not set. +func (f *FlagSet) VisitAll(fn func(*Flag)) { + if len(f.formal) == 0 { + return + } + + var flags []*Flag + if f.SortFlags { + if len(f.formal) != len(f.sortedFormal) { + f.sortedFormal = sortFlags(f.formal) + } + flags = f.sortedFormal + } else { + flags = f.orderedFormal + } + + for _, flag := range flags { + fn(flag) + } +} + +// HasFlags returns a bool to indicate if the FlagSet has any flags defined. +func (f *FlagSet) HasFlags() bool { + return len(f.formal) > 0 +} + +// HasAvailableFlags returns a bool to indicate if the FlagSet has any flags +// that are not hidden. +func (f *FlagSet) HasAvailableFlags() bool { + for _, flag := range f.formal { + if !flag.Hidden { + return true + } + } + return false +} + +// VisitAll visits the command-line flags in lexicographical order or +// in primordial order if f.SortFlags is false, calling fn for each. +// It visits all flags, even those not set. +func VisitAll(fn func(*Flag)) { + CommandLine.VisitAll(fn) +} + +// Visit visits the flags in lexicographical order or +// in primordial order if f.SortFlags is false, calling fn for each. +// It visits only those flags that have been set. +func (f *FlagSet) Visit(fn func(*Flag)) { + if len(f.actual) == 0 { + return + } + + var flags []*Flag + if f.SortFlags { + if len(f.actual) != len(f.sortedActual) { + f.sortedActual = sortFlags(f.actual) + } + flags = f.sortedActual + } else { + flags = f.orderedActual + } + + for _, flag := range flags { + fn(flag) + } +} + +// Visit visits the command-line flags in lexicographical order or +// in primordial order if f.SortFlags is false, calling fn for each. +// It visits only those flags that have been set. +func Visit(fn func(*Flag)) { + CommandLine.Visit(fn) +} + +// Lookup returns the Flag structure of the named flag, returning nil if none exists. +func (f *FlagSet) Lookup(name string) *Flag { + return f.lookup(f.normalizeFlagName(name)) +} + +// ShorthandLookup returns the Flag structure of the short handed flag, +// returning nil if none exists. +// It panics, if len(name) > 1. +func (f *FlagSet) ShorthandLookup(name string) *Flag { + if name == "" { + return nil + } + if len(name) > 1 { + msg := fmt.Sprintf("can not look up shorthand which is more than one ASCII character: %q", name) + fmt.Fprintf(f.out(), msg) + panic(msg) + } + c := name[0] + return f.shorthands[c] +} + +// lookup returns the Flag structure of the named flag, returning nil if none exists. +func (f *FlagSet) lookup(name NormalizedName) *Flag { + return f.formal[name] +} + +// func to return a given type for a given flag name +func (f *FlagSet) getFlagType(name string, ftype string, convFunc func(sval string) (interface{}, error)) (interface{}, error) { + flag := f.Lookup(name) + if flag == nil { + err := fmt.Errorf("flag accessed but not defined: %s", name) + return nil, err + } + + if flag.Value.Type() != ftype { + err := fmt.Errorf("trying to get %s value of flag of type %s", ftype, flag.Value.Type()) + return nil, err + } + + sval := flag.Value.String() + result, err := convFunc(sval) + if err != nil { + return nil, err + } + return result, nil +} + +// ArgsLenAtDash will return the length of f.Args at the moment when a -- was +// found during arg parsing. This allows your program to know which args were +// before the -- and which came after. +func (f *FlagSet) ArgsLenAtDash() int { + return f.argsLenAtDash +} + +// MarkDeprecated indicated that a flag is deprecated in your program. It will +// continue to function but will not show up in help or usage messages. Using +// this flag will also print the given usageMessage. +func (f *FlagSet) MarkDeprecated(name string, usageMessage string) error { + flag := f.Lookup(name) + if flag == nil { + return fmt.Errorf("flag %q does not exist", name) + } + if usageMessage == "" { + return fmt.Errorf("deprecated message for flag %q must be set", name) + } + flag.Deprecated = usageMessage + flag.Hidden = true + return nil +} + +// MarkShorthandDeprecated will mark the shorthand of a flag deprecated in your +// program. It will continue to function but will not show up in help or usage +// messages. Using this flag will also print the given usageMessage. +func (f *FlagSet) MarkShorthandDeprecated(name string, usageMessage string) error { + flag := f.Lookup(name) + if flag == nil { + return fmt.Errorf("flag %q does not exist", name) + } + if usageMessage == "" { + return fmt.Errorf("deprecated message for flag %q must be set", name) + } + flag.ShorthandDeprecated = usageMessage + return nil +} + +// MarkHidden sets a flag to 'hidden' in your program. It will continue to +// function but will not show up in help or usage messages. +func (f *FlagSet) MarkHidden(name string) error { + flag := f.Lookup(name) + if flag == nil { + return fmt.Errorf("flag %q does not exist", name) + } + flag.Hidden = true + return nil +} + +// Lookup returns the Flag structure of the named command-line flag, +// returning nil if none exists. +func Lookup(name string) *Flag { + return CommandLine.Lookup(name) +} + +// ShorthandLookup returns the Flag structure of the short handed flag, +// returning nil if none exists. +func ShorthandLookup(name string) *Flag { + return CommandLine.ShorthandLookup(name) +} + +// Set sets the value of the named flag. +func (f *FlagSet) Set(name, value string) error { + normalName := f.normalizeFlagName(name) + flag, ok := f.formal[normalName] + if !ok { + return fmt.Errorf("no such flag -%v", name) + } + + err := flag.Value.Set(value) + if err != nil { + var flagName string + if flag.Shorthand != "" && flag.ShorthandDeprecated == "" { + flagName = fmt.Sprintf("-%s, --%s", flag.Shorthand, flag.Name) + } else { + flagName = fmt.Sprintf("--%s", flag.Name) + } + return fmt.Errorf("invalid argument %q for %q flag: %v", value, flagName, err) + } + + if !flag.Changed { + if f.actual == nil { + f.actual = make(map[NormalizedName]*Flag) + } + f.actual[normalName] = flag + f.orderedActual = append(f.orderedActual, flag) + + flag.Changed = true + } + + if flag.Deprecated != "" { + fmt.Fprintf(f.out(), "Flag --%s has been deprecated, %s\n", flag.Name, flag.Deprecated) + } + return nil +} + +// SetAnnotation allows one to set arbitrary annotations on a flag in the FlagSet. +// This is sometimes used by spf13/cobra programs which want to generate additional +// bash completion information. +func (f *FlagSet) SetAnnotation(name, key string, values []string) error { + normalName := f.normalizeFlagName(name) + flag, ok := f.formal[normalName] + if !ok { + return fmt.Errorf("no such flag -%v", name) + } + if flag.Annotations == nil { + flag.Annotations = map[string][]string{} + } + flag.Annotations[key] = values + return nil +} + +// Changed returns true if the flag was explicitly set during Parse() and false +// otherwise +func (f *FlagSet) Changed(name string) bool { + flag := f.Lookup(name) + // If a flag doesn't exist, it wasn't changed.... + if flag == nil { + return false + } + return flag.Changed +} + +// Set sets the value of the named command-line flag. +func Set(name, value string) error { + return CommandLine.Set(name, value) +} + +// PrintDefaults prints, to standard error unless configured +// otherwise, the default values of all defined flags in the set. +func (f *FlagSet) PrintDefaults() { + usages := f.FlagUsages() + fmt.Fprint(f.out(), usages) +} + +// defaultIsZeroValue returns true if the default value for this flag represents +// a zero value. +func (f *Flag) defaultIsZeroValue() bool { + switch f.Value.(type) { + case boolFlag: + return f.DefValue == "false" + case *durationValue: + // Beginning in Go 1.7, duration zero values are "0s" + return f.DefValue == "0" || f.DefValue == "0s" + case *intValue, *int8Value, *int32Value, *int64Value, *uintValue, *uint8Value, *uint16Value, *uint32Value, *uint64Value, *countValue, *float32Value, *float64Value: + return f.DefValue == "0" + case *stringValue: + return f.DefValue == "" + case *ipValue, *ipMaskValue, *ipNetValue: + return f.DefValue == "" + case *intSliceValue, *stringSliceValue, *stringArrayValue: + return f.DefValue == "[]" + default: + switch f.Value.String() { + case "false": + return true + case "": + return true + case "": + return true + case "0": + return true + } + return false + } +} + +// UnquoteUsage extracts a back-quoted name from the usage +// string for a flag and returns it and the un-quoted usage. +// Given "a `name` to show" it returns ("name", "a name to show"). +// If there are no back quotes, the name is an educated guess of the +// type of the flag's value, or the empty string if the flag is boolean. +func UnquoteUsage(flag *Flag) (name string, usage string) { + // Look for a back-quoted name, but avoid the strings package. + usage = flag.Usage + for i := 0; i < len(usage); i++ { + if usage[i] == '`' { + for j := i + 1; j < len(usage); j++ { + if usage[j] == '`' { + name = usage[i+1 : j] + usage = usage[:i] + name + usage[j+1:] + return name, usage + } + } + break // Only one back quote; use type name. + } + } + + name = flag.Value.Type() + switch name { + case "bool": + name = "" + case "float64": + name = "float" + case "int64": + name = "int" + case "uint64": + name = "uint" + case "stringSlice": + name = "strings" + case "intSlice": + name = "ints" + case "uintSlice": + name = "uints" + case "boolSlice": + name = "bools" + } + + return +} + +// Splits the string `s` on whitespace into an initial substring up to +// `i` runes in length and the remainder. Will go `slop` over `i` if +// that encompasses the entire string (which allows the caller to +// avoid short orphan words on the final line). +func wrapN(i, slop int, s string) (string, string) { + if i+slop > len(s) { + return s, "" + } + + w := strings.LastIndexAny(s[:i], " \t\n") + if w <= 0 { + return s, "" + } + nlPos := strings.LastIndex(s[:i], "\n") + if nlPos > 0 && nlPos < w { + return s[:nlPos], s[nlPos+1:] + } + return s[:w], s[w+1:] +} + +// Wraps the string `s` to a maximum width `w` with leading indent +// `i`. The first line is not indented (this is assumed to be done by +// caller). Pass `w` == 0 to do no wrapping +func wrap(i, w int, s string) string { + if w == 0 { + return strings.Replace(s, "\n", "\n"+strings.Repeat(" ", i), -1) + } + + // space between indent i and end of line width w into which + // we should wrap the text. + wrap := w - i + + var r, l string + + // Not enough space for sensible wrapping. Wrap as a block on + // the next line instead. + if wrap < 24 { + i = 16 + wrap = w - i + r += "\n" + strings.Repeat(" ", i) + } + // If still not enough space then don't even try to wrap. + if wrap < 24 { + return strings.Replace(s, "\n", r, -1) + } + + // Try to avoid short orphan words on the final line, by + // allowing wrapN to go a bit over if that would fit in the + // remainder of the line. + slop := 5 + wrap = wrap - slop + + // Handle first line, which is indented by the caller (or the + // special case above) + l, s = wrapN(wrap, slop, s) + r = r + strings.Replace(l, "\n", "\n"+strings.Repeat(" ", i), -1) + + // Now wrap the rest + for s != "" { + var t string + + t, s = wrapN(wrap, slop, s) + r = r + "\n" + strings.Repeat(" ", i) + strings.Replace(t, "\n", "\n"+strings.Repeat(" ", i), -1) + } + + return r + +} + +// FlagUsagesWrapped returns a string containing the usage information +// for all flags in the FlagSet. Wrapped to `cols` columns (0 for no +// wrapping) +func (f *FlagSet) FlagUsagesWrapped(cols int) string { + buf := new(bytes.Buffer) + + lines := make([]string, 0, len(f.formal)) + + maxlen := 0 + f.VisitAll(func(flag *Flag) { + if flag.Hidden { + return + } + + line := "" + if flag.Shorthand != "" && flag.ShorthandDeprecated == "" { + line = fmt.Sprintf(" -%s, --%s", flag.Shorthand, flag.Name) + } else { + line = fmt.Sprintf(" --%s", flag.Name) + } + + varname, usage := UnquoteUsage(flag) + if varname != "" { + line += " " + varname + } + if flag.NoOptDefVal != "" { + switch flag.Value.Type() { + case "string": + line += fmt.Sprintf("[=\"%s\"]", flag.NoOptDefVal) + case "bool": + if flag.NoOptDefVal != "true" { + line += fmt.Sprintf("[=%s]", flag.NoOptDefVal) + } + case "count": + if flag.NoOptDefVal != "+1" { + line += fmt.Sprintf("[=%s]", flag.NoOptDefVal) + } + default: + line += fmt.Sprintf("[=%s]", flag.NoOptDefVal) + } + } + + // This special character will be replaced with spacing once the + // correct alignment is calculated + line += "\x00" + if len(line) > maxlen { + maxlen = len(line) + } + + line += usage + if !flag.defaultIsZeroValue() { + if flag.Value.Type() == "string" { + line += fmt.Sprintf(" (default %q)", flag.DefValue) + } else { + line += fmt.Sprintf(" (default %s)", flag.DefValue) + } + } + if len(flag.Deprecated) != 0 { + line += fmt.Sprintf(" (DEPRECATED: %s)", flag.Deprecated) + } + + lines = append(lines, line) + }) + + for _, line := range lines { + sidx := strings.Index(line, "\x00") + spacing := strings.Repeat(" ", maxlen-sidx) + // maxlen + 2 comes from + 1 for the \x00 and + 1 for the (deliberate) off-by-one in maxlen-sidx + fmt.Fprintln(buf, line[:sidx], spacing, wrap(maxlen+2, cols, line[sidx+1:])) + } + + return buf.String() +} + +// FlagUsages returns a string containing the usage information for all flags in +// the FlagSet +func (f *FlagSet) FlagUsages() string { + return f.FlagUsagesWrapped(0) +} + +// PrintDefaults prints to standard error the default values of all defined command-line flags. +func PrintDefaults() { + CommandLine.PrintDefaults() +} + +// defaultUsage is the default function to print a usage message. +func defaultUsage(f *FlagSet) { + fmt.Fprintf(f.out(), "Usage of %s:\n", f.name) + f.PrintDefaults() +} + +// NOTE: Usage is not just defaultUsage(CommandLine) +// because it serves (via godoc flag Usage) as the example +// for how to write your own usage function. + +// Usage prints to standard error a usage message documenting all defined command-line flags. +// The function is a variable that may be changed to point to a custom function. +// By default it prints a simple header and calls PrintDefaults; for details about the +// format of the output and how to control it, see the documentation for PrintDefaults. +var Usage = func() { + fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0]) + PrintDefaults() +} + +// NFlag returns the number of flags that have been set. +func (f *FlagSet) NFlag() int { return len(f.actual) } + +// NFlag returns the number of command-line flags that have been set. +func NFlag() int { return len(CommandLine.actual) } + +// Arg returns the i'th argument. Arg(0) is the first remaining argument +// after flags have been processed. +func (f *FlagSet) Arg(i int) string { + if i < 0 || i >= len(f.args) { + return "" + } + return f.args[i] +} + +// Arg returns the i'th command-line argument. Arg(0) is the first remaining argument +// after flags have been processed. +func Arg(i int) string { + return CommandLine.Arg(i) +} + +// NArg is the number of arguments remaining after flags have been processed. +func (f *FlagSet) NArg() int { return len(f.args) } + +// NArg is the number of arguments remaining after flags have been processed. +func NArg() int { return len(CommandLine.args) } + +// Args returns the non-flag arguments. +func (f *FlagSet) Args() []string { return f.args } + +// Args returns the non-flag command-line arguments. +func Args() []string { return CommandLine.args } + +// Var defines a flag with the specified name and usage string. The type and +// value of the flag are represented by the first argument, of type Value, which +// typically holds a user-defined implementation of Value. For instance, the +// caller could create a flag that turns a comma-separated string into a slice +// of strings by giving the slice the methods of Value; in particular, Set would +// decompose the comma-separated string into the slice. +func (f *FlagSet) Var(value Value, name string, usage string) { + f.VarP(value, name, "", usage) +} + +// VarPF is like VarP, but returns the flag created +func (f *FlagSet) VarPF(value Value, name, shorthand, usage string) *Flag { + // Remember the default value as a string; it won't change. + flag := &Flag{ + Name: name, + Shorthand: shorthand, + Usage: usage, + Value: value, + DefValue: value.String(), + } + f.AddFlag(flag) + return flag +} + +// VarP is like Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) VarP(value Value, name, shorthand, usage string) { + f.VarPF(value, name, shorthand, usage) +} + +// AddFlag will add the flag to the FlagSet +func (f *FlagSet) AddFlag(flag *Flag) { + normalizedFlagName := f.normalizeFlagName(flag.Name) + + _, alreadyThere := f.formal[normalizedFlagName] + if alreadyThere { + msg := fmt.Sprintf("%s flag redefined: %s", f.name, flag.Name) + fmt.Fprintln(f.out(), msg) + panic(msg) // Happens only if flags are declared with identical names + } + if f.formal == nil { + f.formal = make(map[NormalizedName]*Flag) + } + + flag.Name = string(normalizedFlagName) + f.formal[normalizedFlagName] = flag + f.orderedFormal = append(f.orderedFormal, flag) + + if flag.Shorthand == "" { + return + } + if len(flag.Shorthand) > 1 { + msg := fmt.Sprintf("%q shorthand is more than one ASCII character", flag.Shorthand) + fmt.Fprintf(f.out(), msg) + panic(msg) + } + if f.shorthands == nil { + f.shorthands = make(map[byte]*Flag) + } + c := flag.Shorthand[0] + used, alreadyThere := f.shorthands[c] + if alreadyThere { + msg := fmt.Sprintf("unable to redefine %q shorthand in %q flagset: it's already used for %q flag", c, f.name, used.Name) + fmt.Fprintf(f.out(), msg) + panic(msg) + } + f.shorthands[c] = flag +} + +// AddFlagSet adds one FlagSet to another. If a flag is already present in f +// the flag from newSet will be ignored. +func (f *FlagSet) AddFlagSet(newSet *FlagSet) { + if newSet == nil { + return + } + newSet.VisitAll(func(flag *Flag) { + if f.Lookup(flag.Name) == nil { + f.AddFlag(flag) + } + }) +} + +// Var defines a flag with the specified name and usage string. The type and +// value of the flag are represented by the first argument, of type Value, which +// typically holds a user-defined implementation of Value. For instance, the +// caller could create a flag that turns a comma-separated string into a slice +// of strings by giving the slice the methods of Value; in particular, Set would +// decompose the comma-separated string into the slice. +func Var(value Value, name string, usage string) { + CommandLine.VarP(value, name, "", usage) +} + +// VarP is like Var, but accepts a shorthand letter that can be used after a single dash. +func VarP(value Value, name, shorthand, usage string) { + CommandLine.VarP(value, name, shorthand, usage) +} + +// failf prints to standard error a formatted error and usage message and +// returns the error. +func (f *FlagSet) failf(format string, a ...interface{}) error { + err := fmt.Errorf(format, a...) + if f.errorHandling != ContinueOnError { + fmt.Fprintln(f.out(), err) + f.usage() + } + return err +} + +// usage calls the Usage method for the flag set, or the usage function if +// the flag set is CommandLine. +func (f *FlagSet) usage() { + if f == CommandLine { + Usage() + } else if f.Usage == nil { + defaultUsage(f) + } else { + f.Usage() + } +} + +//--unknown (args will be empty) +//--unknown --next-flag ... (args will be --next-flag ...) +//--unknown arg ... (args will be arg ...) +func stripUnknownFlagValue(args []string) []string { + if len(args) == 0 { + //--unknown + return args + } + + first := args[0] + if len(first) > 0 && first[0] == '-' { + //--unknown --next-flag ... + return args + } + + //--unknown arg ... (args will be arg ...) + if len(args) > 1 { + return args[1:] + } + return nil +} + +func (f *FlagSet) parseLongArg(s string, args []string, fn parseFunc) (a []string, err error) { + a = args + name := s[2:] + if len(name) == 0 || name[0] == '-' || name[0] == '=' { + err = f.failf("bad flag syntax: %s", s) + return + } + + split := strings.SplitN(name, "=", 2) + name = split[0] + flag, exists := f.formal[f.normalizeFlagName(name)] + + if !exists { + switch { + case name == "help": + f.usage() + return a, ErrHelp + case f.ParseErrorsWhitelist.UnknownFlags: + // --unknown=unknownval arg ... + // we do not want to lose arg in this case + if len(split) >= 2 { + return a, nil + } + + return stripUnknownFlagValue(a), nil + default: + err = f.failf("unknown flag: --%s", name) + return + } + } + + var value string + if len(split) == 2 { + // '--flag=arg' + value = split[1] + } else if flag.NoOptDefVal != "" { + // '--flag' (arg was optional) + value = flag.NoOptDefVal + } else if len(a) > 0 { + // '--flag arg' + value = a[0] + a = a[1:] + } else { + // '--flag' (arg was required) + err = f.failf("flag needs an argument: %s", s) + return + } + + err = fn(flag, value) + if err != nil { + f.failf(err.Error()) + } + return +} + +func (f *FlagSet) parseSingleShortArg(shorthands string, args []string, fn parseFunc) (outShorts string, outArgs []string, err error) { + outArgs = args + + if strings.HasPrefix(shorthands, "test.") { + return + } + + outShorts = shorthands[1:] + c := shorthands[0] + + flag, exists := f.shorthands[c] + if !exists { + switch { + case c == 'h': + f.usage() + err = ErrHelp + return + case f.ParseErrorsWhitelist.UnknownFlags: + // '-f=arg arg ...' + // we do not want to lose arg in this case + if len(shorthands) > 2 && shorthands[1] == '=' { + outShorts = "" + return + } + + outArgs = stripUnknownFlagValue(outArgs) + return + default: + err = f.failf("unknown shorthand flag: %q in -%s", c, shorthands) + return + } + } + + var value string + if len(shorthands) > 2 && shorthands[1] == '=' { + // '-f=arg' + value = shorthands[2:] + outShorts = "" + } else if flag.NoOptDefVal != "" { + // '-f' (arg was optional) + value = flag.NoOptDefVal + } else if len(shorthands) > 1 { + // '-farg' + value = shorthands[1:] + outShorts = "" + } else if len(args) > 0 { + // '-f arg' + value = args[0] + outArgs = args[1:] + } else { + // '-f' (arg was required) + err = f.failf("flag needs an argument: %q in -%s", c, shorthands) + return + } + + if flag.ShorthandDeprecated != "" { + fmt.Fprintf(f.out(), "Flag shorthand -%s has been deprecated, %s\n", flag.Shorthand, flag.ShorthandDeprecated) + } + + err = fn(flag, value) + if err != nil { + f.failf(err.Error()) + } + return +} + +func (f *FlagSet) parseShortArg(s string, args []string, fn parseFunc) (a []string, err error) { + a = args + shorthands := s[1:] + + // "shorthands" can be a series of shorthand letters of flags (e.g. "-vvv"). + for len(shorthands) > 0 { + shorthands, a, err = f.parseSingleShortArg(shorthands, args, fn) + if err != nil { + return + } + } + + return +} + +func (f *FlagSet) parseArgs(args []string, fn parseFunc) (err error) { + for len(args) > 0 { + s := args[0] + args = args[1:] + if len(s) == 0 || s[0] != '-' || len(s) == 1 { + if !f.interspersed { + f.args = append(f.args, s) + f.args = append(f.args, args...) + return nil + } + f.args = append(f.args, s) + continue + } + + if s[1] == '-' { + if len(s) == 2 { // "--" terminates the flags + f.argsLenAtDash = len(f.args) + f.args = append(f.args, args...) + break + } + args, err = f.parseLongArg(s, args, fn) + } else { + args, err = f.parseShortArg(s, args, fn) + } + if err != nil { + return + } + } + return +} + +// Parse parses flag definitions from the argument list, which should not +// include the command name. Must be called after all flags in the FlagSet +// are defined and before flags are accessed by the program. +// The return value will be ErrHelp if -help was set but not defined. +func (f *FlagSet) Parse(arguments []string) error { + if f.addedGoFlagSets != nil { + for _, goFlagSet := range f.addedGoFlagSets { + goFlagSet.Parse(nil) + } + } + f.parsed = true + + if len(arguments) < 0 { + return nil + } + + f.args = make([]string, 0, len(arguments)) + + set := func(flag *Flag, value string) error { + return f.Set(flag.Name, value) + } + + err := f.parseArgs(arguments, set) + if err != nil { + switch f.errorHandling { + case ContinueOnError: + return err + case ExitOnError: + fmt.Println(err) + os.Exit(2) + case PanicOnError: + panic(err) + } + } + return nil +} + +type parseFunc func(flag *Flag, value string) error + +// ParseAll parses flag definitions from the argument list, which should not +// include the command name. The arguments for fn are flag and value. Must be +// called after all flags in the FlagSet are defined and before flags are +// accessed by the program. The return value will be ErrHelp if -help was set +// but not defined. +func (f *FlagSet) ParseAll(arguments []string, fn func(flag *Flag, value string) error) error { + f.parsed = true + f.args = make([]string, 0, len(arguments)) + + err := f.parseArgs(arguments, fn) + if err != nil { + switch f.errorHandling { + case ContinueOnError: + return err + case ExitOnError: + os.Exit(2) + case PanicOnError: + panic(err) + } + } + return nil +} + +// Parsed reports whether f.Parse has been called. +func (f *FlagSet) Parsed() bool { + return f.parsed +} + +// Parse parses the command-line flags from os.Args[1:]. Must be called +// after all flags are defined and before flags are accessed by the program. +func Parse() { + // Ignore errors; CommandLine is set for ExitOnError. + CommandLine.Parse(os.Args[1:]) +} + +// ParseAll parses the command-line flags from os.Args[1:] and called fn for each. +// The arguments for fn are flag and value. Must be called after all flags are +// defined and before flags are accessed by the program. +func ParseAll(fn func(flag *Flag, value string) error) { + // Ignore errors; CommandLine is set for ExitOnError. + CommandLine.ParseAll(os.Args[1:], fn) +} + +// SetInterspersed sets whether to support interspersed option/non-option arguments. +func SetInterspersed(interspersed bool) { + CommandLine.SetInterspersed(interspersed) +} + +// Parsed returns true if the command-line flags have been parsed. +func Parsed() bool { + return CommandLine.Parsed() +} + +// CommandLine is the default set of command-line flags, parsed from os.Args. +var CommandLine = NewFlagSet(os.Args[0], ExitOnError) + +// NewFlagSet returns a new, empty flag set with the specified name, +// error handling property and SortFlags set to true. +func NewFlagSet(name string, errorHandling ErrorHandling) *FlagSet { + f := &FlagSet{ + name: name, + errorHandling: errorHandling, + argsLenAtDash: -1, + interspersed: true, + SortFlags: true, + } + return f +} + +// SetInterspersed sets whether to support interspersed option/non-option arguments. +func (f *FlagSet) SetInterspersed(interspersed bool) { + f.interspersed = interspersed +} + +// Init sets the name and error handling property for a flag set. +// By default, the zero FlagSet uses an empty name and the +// ContinueOnError error handling policy. +func (f *FlagSet) Init(name string, errorHandling ErrorHandling) { + f.name = name + f.errorHandling = errorHandling + f.argsLenAtDash = -1 +} diff --git a/vendor/github.com/spf13/pflag/float32.go b/vendor/github.com/spf13/pflag/float32.go new file mode 100644 index 0000000..a243f81 --- /dev/null +++ b/vendor/github.com/spf13/pflag/float32.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- float32 Value +type float32Value float32 + +func newFloat32Value(val float32, p *float32) *float32Value { + *p = val + return (*float32Value)(p) +} + +func (f *float32Value) Set(s string) error { + v, err := strconv.ParseFloat(s, 32) + *f = float32Value(v) + return err +} + +func (f *float32Value) Type() string { + return "float32" +} + +func (f *float32Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 32) } + +func float32Conv(sval string) (interface{}, error) { + v, err := strconv.ParseFloat(sval, 32) + if err != nil { + return 0, err + } + return float32(v), nil +} + +// GetFloat32 return the float32 value of a flag with the given name +func (f *FlagSet) GetFloat32(name string) (float32, error) { + val, err := f.getFlagType(name, "float32", float32Conv) + if err != nil { + return 0, err + } + return val.(float32), nil +} + +// Float32Var defines a float32 flag with specified name, default value, and usage string. +// The argument p points to a float32 variable in which to store the value of the flag. +func (f *FlagSet) Float32Var(p *float32, name string, value float32, usage string) { + f.VarP(newFloat32Value(value, p), name, "", usage) +} + +// Float32VarP is like Float32Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32VarP(p *float32, name, shorthand string, value float32, usage string) { + f.VarP(newFloat32Value(value, p), name, shorthand, usage) +} + +// Float32Var defines a float32 flag with specified name, default value, and usage string. +// The argument p points to a float32 variable in which to store the value of the flag. +func Float32Var(p *float32, name string, value float32, usage string) { + CommandLine.VarP(newFloat32Value(value, p), name, "", usage) +} + +// Float32VarP is like Float32Var, but accepts a shorthand letter that can be used after a single dash. +func Float32VarP(p *float32, name, shorthand string, value float32, usage string) { + CommandLine.VarP(newFloat32Value(value, p), name, shorthand, usage) +} + +// Float32 defines a float32 flag with specified name, default value, and usage string. +// The return value is the address of a float32 variable that stores the value of the flag. +func (f *FlagSet) Float32(name string, value float32, usage string) *float32 { + p := new(float32) + f.Float32VarP(p, name, "", value, usage) + return p +} + +// Float32P is like Float32, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32P(name, shorthand string, value float32, usage string) *float32 { + p := new(float32) + f.Float32VarP(p, name, shorthand, value, usage) + return p +} + +// Float32 defines a float32 flag with specified name, default value, and usage string. +// The return value is the address of a float32 variable that stores the value of the flag. +func Float32(name string, value float32, usage string) *float32 { + return CommandLine.Float32P(name, "", value, usage) +} + +// Float32P is like Float32, but accepts a shorthand letter that can be used after a single dash. +func Float32P(name, shorthand string, value float32, usage string) *float32 { + return CommandLine.Float32P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/float32_slice.go b/vendor/github.com/spf13/pflag/float32_slice.go new file mode 100644 index 0000000..caa3527 --- /dev/null +++ b/vendor/github.com/spf13/pflag/float32_slice.go @@ -0,0 +1,174 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- float32Slice Value +type float32SliceValue struct { + value *[]float32 + changed bool +} + +func newFloat32SliceValue(val []float32, p *[]float32) *float32SliceValue { + isv := new(float32SliceValue) + isv.value = p + *isv.value = val + return isv +} + +func (s *float32SliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]float32, len(ss)) + for i, d := range ss { + var err error + var temp64 float64 + temp64, err = strconv.ParseFloat(d, 32) + if err != nil { + return err + } + out[i] = float32(temp64) + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *float32SliceValue) Type() string { + return "float32Slice" +} + +func (s *float32SliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%f", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *float32SliceValue) fromString(val string) (float32, error) { + t64, err := strconv.ParseFloat(val, 32) + if err != nil { + return 0, err + } + return float32(t64), nil +} + +func (s *float32SliceValue) toString(val float32) string { + return fmt.Sprintf("%f", val) +} + +func (s *float32SliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *float32SliceValue) Replace(val []string) error { + out := make([]float32, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *float32SliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func float32SliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []float32{}, nil + } + ss := strings.Split(val, ",") + out := make([]float32, len(ss)) + for i, d := range ss { + var err error + var temp64 float64 + temp64, err = strconv.ParseFloat(d, 32) + if err != nil { + return nil, err + } + out[i] = float32(temp64) + + } + return out, nil +} + +// GetFloat32Slice return the []float32 value of a flag with the given name +func (f *FlagSet) GetFloat32Slice(name string) ([]float32, error) { + val, err := f.getFlagType(name, "float32Slice", float32SliceConv) + if err != nil { + return []float32{}, err + } + return val.([]float32), nil +} + +// Float32SliceVar defines a float32Slice flag with specified name, default value, and usage string. +// The argument p points to a []float32 variable in which to store the value of the flag. +func (f *FlagSet) Float32SliceVar(p *[]float32, name string, value []float32, usage string) { + f.VarP(newFloat32SliceValue(value, p), name, "", usage) +} + +// Float32SliceVarP is like Float32SliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32SliceVarP(p *[]float32, name, shorthand string, value []float32, usage string) { + f.VarP(newFloat32SliceValue(value, p), name, shorthand, usage) +} + +// Float32SliceVar defines a float32[] flag with specified name, default value, and usage string. +// The argument p points to a float32[] variable in which to store the value of the flag. +func Float32SliceVar(p *[]float32, name string, value []float32, usage string) { + CommandLine.VarP(newFloat32SliceValue(value, p), name, "", usage) +} + +// Float32SliceVarP is like Float32SliceVar, but accepts a shorthand letter that can be used after a single dash. +func Float32SliceVarP(p *[]float32, name, shorthand string, value []float32, usage string) { + CommandLine.VarP(newFloat32SliceValue(value, p), name, shorthand, usage) +} + +// Float32Slice defines a []float32 flag with specified name, default value, and usage string. +// The return value is the address of a []float32 variable that stores the value of the flag. +func (f *FlagSet) Float32Slice(name string, value []float32, usage string) *[]float32 { + p := []float32{} + f.Float32SliceVarP(&p, name, "", value, usage) + return &p +} + +// Float32SliceP is like Float32Slice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32SliceP(name, shorthand string, value []float32, usage string) *[]float32 { + p := []float32{} + f.Float32SliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// Float32Slice defines a []float32 flag with specified name, default value, and usage string. +// The return value is the address of a []float32 variable that stores the value of the flag. +func Float32Slice(name string, value []float32, usage string) *[]float32 { + return CommandLine.Float32SliceP(name, "", value, usage) +} + +// Float32SliceP is like Float32Slice, but accepts a shorthand letter that can be used after a single dash. +func Float32SliceP(name, shorthand string, value []float32, usage string) *[]float32 { + return CommandLine.Float32SliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/float64.go b/vendor/github.com/spf13/pflag/float64.go new file mode 100644 index 0000000..04b5492 --- /dev/null +++ b/vendor/github.com/spf13/pflag/float64.go @@ -0,0 +1,84 @@ +package pflag + +import "strconv" + +// -- float64 Value +type float64Value float64 + +func newFloat64Value(val float64, p *float64) *float64Value { + *p = val + return (*float64Value)(p) +} + +func (f *float64Value) Set(s string) error { + v, err := strconv.ParseFloat(s, 64) + *f = float64Value(v) + return err +} + +func (f *float64Value) Type() string { + return "float64" +} + +func (f *float64Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 64) } + +func float64Conv(sval string) (interface{}, error) { + return strconv.ParseFloat(sval, 64) +} + +// GetFloat64 return the float64 value of a flag with the given name +func (f *FlagSet) GetFloat64(name string) (float64, error) { + val, err := f.getFlagType(name, "float64", float64Conv) + if err != nil { + return 0, err + } + return val.(float64), nil +} + +// Float64Var defines a float64 flag with specified name, default value, and usage string. +// The argument p points to a float64 variable in which to store the value of the flag. +func (f *FlagSet) Float64Var(p *float64, name string, value float64, usage string) { + f.VarP(newFloat64Value(value, p), name, "", usage) +} + +// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float64VarP(p *float64, name, shorthand string, value float64, usage string) { + f.VarP(newFloat64Value(value, p), name, shorthand, usage) +} + +// Float64Var defines a float64 flag with specified name, default value, and usage string. +// The argument p points to a float64 variable in which to store the value of the flag. +func Float64Var(p *float64, name string, value float64, usage string) { + CommandLine.VarP(newFloat64Value(value, p), name, "", usage) +} + +// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash. +func Float64VarP(p *float64, name, shorthand string, value float64, usage string) { + CommandLine.VarP(newFloat64Value(value, p), name, shorthand, usage) +} + +// Float64 defines a float64 flag with specified name, default value, and usage string. +// The return value is the address of a float64 variable that stores the value of the flag. +func (f *FlagSet) Float64(name string, value float64, usage string) *float64 { + p := new(float64) + f.Float64VarP(p, name, "", value, usage) + return p +} + +// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float64P(name, shorthand string, value float64, usage string) *float64 { + p := new(float64) + f.Float64VarP(p, name, shorthand, value, usage) + return p +} + +// Float64 defines a float64 flag with specified name, default value, and usage string. +// The return value is the address of a float64 variable that stores the value of the flag. +func Float64(name string, value float64, usage string) *float64 { + return CommandLine.Float64P(name, "", value, usage) +} + +// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash. +func Float64P(name, shorthand string, value float64, usage string) *float64 { + return CommandLine.Float64P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/float64_slice.go b/vendor/github.com/spf13/pflag/float64_slice.go new file mode 100644 index 0000000..85bf307 --- /dev/null +++ b/vendor/github.com/spf13/pflag/float64_slice.go @@ -0,0 +1,166 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- float64Slice Value +type float64SliceValue struct { + value *[]float64 + changed bool +} + +func newFloat64SliceValue(val []float64, p *[]float64) *float64SliceValue { + isv := new(float64SliceValue) + isv.value = p + *isv.value = val + return isv +} + +func (s *float64SliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]float64, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.ParseFloat(d, 64) + if err != nil { + return err + } + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *float64SliceValue) Type() string { + return "float64Slice" +} + +func (s *float64SliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%f", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *float64SliceValue) fromString(val string) (float64, error) { + return strconv.ParseFloat(val, 64) +} + +func (s *float64SliceValue) toString(val float64) string { + return fmt.Sprintf("%f", val) +} + +func (s *float64SliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *float64SliceValue) Replace(val []string) error { + out := make([]float64, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *float64SliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func float64SliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []float64{}, nil + } + ss := strings.Split(val, ",") + out := make([]float64, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.ParseFloat(d, 64) + if err != nil { + return nil, err + } + + } + return out, nil +} + +// GetFloat64Slice return the []float64 value of a flag with the given name +func (f *FlagSet) GetFloat64Slice(name string) ([]float64, error) { + val, err := f.getFlagType(name, "float64Slice", float64SliceConv) + if err != nil { + return []float64{}, err + } + return val.([]float64), nil +} + +// Float64SliceVar defines a float64Slice flag with specified name, default value, and usage string. +// The argument p points to a []float64 variable in which to store the value of the flag. +func (f *FlagSet) Float64SliceVar(p *[]float64, name string, value []float64, usage string) { + f.VarP(newFloat64SliceValue(value, p), name, "", usage) +} + +// Float64SliceVarP is like Float64SliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float64SliceVarP(p *[]float64, name, shorthand string, value []float64, usage string) { + f.VarP(newFloat64SliceValue(value, p), name, shorthand, usage) +} + +// Float64SliceVar defines a float64[] flag with specified name, default value, and usage string. +// The argument p points to a float64[] variable in which to store the value of the flag. +func Float64SliceVar(p *[]float64, name string, value []float64, usage string) { + CommandLine.VarP(newFloat64SliceValue(value, p), name, "", usage) +} + +// Float64SliceVarP is like Float64SliceVar, but accepts a shorthand letter that can be used after a single dash. +func Float64SliceVarP(p *[]float64, name, shorthand string, value []float64, usage string) { + CommandLine.VarP(newFloat64SliceValue(value, p), name, shorthand, usage) +} + +// Float64Slice defines a []float64 flag with specified name, default value, and usage string. +// The return value is the address of a []float64 variable that stores the value of the flag. +func (f *FlagSet) Float64Slice(name string, value []float64, usage string) *[]float64 { + p := []float64{} + f.Float64SliceVarP(&p, name, "", value, usage) + return &p +} + +// Float64SliceP is like Float64Slice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float64SliceP(name, shorthand string, value []float64, usage string) *[]float64 { + p := []float64{} + f.Float64SliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// Float64Slice defines a []float64 flag with specified name, default value, and usage string. +// The return value is the address of a []float64 variable that stores the value of the flag. +func Float64Slice(name string, value []float64, usage string) *[]float64 { + return CommandLine.Float64SliceP(name, "", value, usage) +} + +// Float64SliceP is like Float64Slice, but accepts a shorthand letter that can be used after a single dash. +func Float64SliceP(name, shorthand string, value []float64, usage string) *[]float64 { + return CommandLine.Float64SliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/go.mod b/vendor/github.com/spf13/pflag/go.mod new file mode 100644 index 0000000..b2287ee --- /dev/null +++ b/vendor/github.com/spf13/pflag/go.mod @@ -0,0 +1,3 @@ +module github.com/spf13/pflag + +go 1.12 diff --git a/vendor/github.com/spf13/pflag/go.sum b/vendor/github.com/spf13/pflag/go.sum new file mode 100644 index 0000000..e69de29 diff --git a/vendor/github.com/spf13/pflag/golangflag.go b/vendor/github.com/spf13/pflag/golangflag.go new file mode 100644 index 0000000..d3dd72b --- /dev/null +++ b/vendor/github.com/spf13/pflag/golangflag.go @@ -0,0 +1,105 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package pflag + +import ( + goflag "flag" + "reflect" + "strings" +) + +// flagValueWrapper implements pflag.Value around a flag.Value. The main +// difference here is the addition of the Type method that returns a string +// name of the type. As this is generally unknown, we approximate that with +// reflection. +type flagValueWrapper struct { + inner goflag.Value + flagType string +} + +// We are just copying the boolFlag interface out of goflag as that is what +// they use to decide if a flag should get "true" when no arg is given. +type goBoolFlag interface { + goflag.Value + IsBoolFlag() bool +} + +func wrapFlagValue(v goflag.Value) Value { + // If the flag.Value happens to also be a pflag.Value, just use it directly. + if pv, ok := v.(Value); ok { + return pv + } + + pv := &flagValueWrapper{ + inner: v, + } + + t := reflect.TypeOf(v) + if t.Kind() == reflect.Interface || t.Kind() == reflect.Ptr { + t = t.Elem() + } + + pv.flagType = strings.TrimSuffix(t.Name(), "Value") + return pv +} + +func (v *flagValueWrapper) String() string { + return v.inner.String() +} + +func (v *flagValueWrapper) Set(s string) error { + return v.inner.Set(s) +} + +func (v *flagValueWrapper) Type() string { + return v.flagType +} + +// PFlagFromGoFlag will return a *pflag.Flag given a *flag.Flag +// If the *flag.Flag.Name was a single character (ex: `v`) it will be accessiblei +// with both `-v` and `--v` in flags. If the golang flag was more than a single +// character (ex: `verbose`) it will only be accessible via `--verbose` +func PFlagFromGoFlag(goflag *goflag.Flag) *Flag { + // Remember the default value as a string; it won't change. + flag := &Flag{ + Name: goflag.Name, + Usage: goflag.Usage, + Value: wrapFlagValue(goflag.Value), + // Looks like golang flags don't set DefValue correctly :-( + //DefValue: goflag.DefValue, + DefValue: goflag.Value.String(), + } + // Ex: if the golang flag was -v, allow both -v and --v to work + if len(flag.Name) == 1 { + flag.Shorthand = flag.Name + } + if fv, ok := goflag.Value.(goBoolFlag); ok && fv.IsBoolFlag() { + flag.NoOptDefVal = "true" + } + return flag +} + +// AddGoFlag will add the given *flag.Flag to the pflag.FlagSet +func (f *FlagSet) AddGoFlag(goflag *goflag.Flag) { + if f.Lookup(goflag.Name) != nil { + return + } + newflag := PFlagFromGoFlag(goflag) + f.AddFlag(newflag) +} + +// AddGoFlagSet will add the given *flag.FlagSet to the pflag.FlagSet +func (f *FlagSet) AddGoFlagSet(newSet *goflag.FlagSet) { + if newSet == nil { + return + } + newSet.VisitAll(func(goflag *goflag.Flag) { + f.AddGoFlag(goflag) + }) + if f.addedGoFlagSets == nil { + f.addedGoFlagSets = make([]*goflag.FlagSet, 0) + } + f.addedGoFlagSets = append(f.addedGoFlagSets, newSet) +} diff --git a/vendor/github.com/spf13/pflag/int.go b/vendor/github.com/spf13/pflag/int.go new file mode 100644 index 0000000..1474b89 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int.go @@ -0,0 +1,84 @@ +package pflag + +import "strconv" + +// -- int Value +type intValue int + +func newIntValue(val int, p *int) *intValue { + *p = val + return (*intValue)(p) +} + +func (i *intValue) Set(s string) error { + v, err := strconv.ParseInt(s, 0, 64) + *i = intValue(v) + return err +} + +func (i *intValue) Type() string { + return "int" +} + +func (i *intValue) String() string { return strconv.Itoa(int(*i)) } + +func intConv(sval string) (interface{}, error) { + return strconv.Atoi(sval) +} + +// GetInt return the int value of a flag with the given name +func (f *FlagSet) GetInt(name string) (int, error) { + val, err := f.getFlagType(name, "int", intConv) + if err != nil { + return 0, err + } + return val.(int), nil +} + +// IntVar defines an int flag with specified name, default value, and usage string. +// The argument p points to an int variable in which to store the value of the flag. +func (f *FlagSet) IntVar(p *int, name string, value int, usage string) { + f.VarP(newIntValue(value, p), name, "", usage) +} + +// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IntVarP(p *int, name, shorthand string, value int, usage string) { + f.VarP(newIntValue(value, p), name, shorthand, usage) +} + +// IntVar defines an int flag with specified name, default value, and usage string. +// The argument p points to an int variable in which to store the value of the flag. +func IntVar(p *int, name string, value int, usage string) { + CommandLine.VarP(newIntValue(value, p), name, "", usage) +} + +// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash. +func IntVarP(p *int, name, shorthand string, value int, usage string) { + CommandLine.VarP(newIntValue(value, p), name, shorthand, usage) +} + +// Int defines an int flag with specified name, default value, and usage string. +// The return value is the address of an int variable that stores the value of the flag. +func (f *FlagSet) Int(name string, value int, usage string) *int { + p := new(int) + f.IntVarP(p, name, "", value, usage) + return p +} + +// IntP is like Int, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IntP(name, shorthand string, value int, usage string) *int { + p := new(int) + f.IntVarP(p, name, shorthand, value, usage) + return p +} + +// Int defines an int flag with specified name, default value, and usage string. +// The return value is the address of an int variable that stores the value of the flag. +func Int(name string, value int, usage string) *int { + return CommandLine.IntP(name, "", value, usage) +} + +// IntP is like Int, but accepts a shorthand letter that can be used after a single dash. +func IntP(name, shorthand string, value int, usage string) *int { + return CommandLine.IntP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int16.go b/vendor/github.com/spf13/pflag/int16.go new file mode 100644 index 0000000..f1a01d0 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int16.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- int16 Value +type int16Value int16 + +func newInt16Value(val int16, p *int16) *int16Value { + *p = val + return (*int16Value)(p) +} + +func (i *int16Value) Set(s string) error { + v, err := strconv.ParseInt(s, 0, 16) + *i = int16Value(v) + return err +} + +func (i *int16Value) Type() string { + return "int16" +} + +func (i *int16Value) String() string { return strconv.FormatInt(int64(*i), 10) } + +func int16Conv(sval string) (interface{}, error) { + v, err := strconv.ParseInt(sval, 0, 16) + if err != nil { + return 0, err + } + return int16(v), nil +} + +// GetInt16 returns the int16 value of a flag with the given name +func (f *FlagSet) GetInt16(name string) (int16, error) { + val, err := f.getFlagType(name, "int16", int16Conv) + if err != nil { + return 0, err + } + return val.(int16), nil +} + +// Int16Var defines an int16 flag with specified name, default value, and usage string. +// The argument p points to an int16 variable in which to store the value of the flag. +func (f *FlagSet) Int16Var(p *int16, name string, value int16, usage string) { + f.VarP(newInt16Value(value, p), name, "", usage) +} + +// Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int16VarP(p *int16, name, shorthand string, value int16, usage string) { + f.VarP(newInt16Value(value, p), name, shorthand, usage) +} + +// Int16Var defines an int16 flag with specified name, default value, and usage string. +// The argument p points to an int16 variable in which to store the value of the flag. +func Int16Var(p *int16, name string, value int16, usage string) { + CommandLine.VarP(newInt16Value(value, p), name, "", usage) +} + +// Int16VarP is like Int16Var, but accepts a shorthand letter that can be used after a single dash. +func Int16VarP(p *int16, name, shorthand string, value int16, usage string) { + CommandLine.VarP(newInt16Value(value, p), name, shorthand, usage) +} + +// Int16 defines an int16 flag with specified name, default value, and usage string. +// The return value is the address of an int16 variable that stores the value of the flag. +func (f *FlagSet) Int16(name string, value int16, usage string) *int16 { + p := new(int16) + f.Int16VarP(p, name, "", value, usage) + return p +} + +// Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int16P(name, shorthand string, value int16, usage string) *int16 { + p := new(int16) + f.Int16VarP(p, name, shorthand, value, usage) + return p +} + +// Int16 defines an int16 flag with specified name, default value, and usage string. +// The return value is the address of an int16 variable that stores the value of the flag. +func Int16(name string, value int16, usage string) *int16 { + return CommandLine.Int16P(name, "", value, usage) +} + +// Int16P is like Int16, but accepts a shorthand letter that can be used after a single dash. +func Int16P(name, shorthand string, value int16, usage string) *int16 { + return CommandLine.Int16P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int32.go b/vendor/github.com/spf13/pflag/int32.go new file mode 100644 index 0000000..9b95944 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int32.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- int32 Value +type int32Value int32 + +func newInt32Value(val int32, p *int32) *int32Value { + *p = val + return (*int32Value)(p) +} + +func (i *int32Value) Set(s string) error { + v, err := strconv.ParseInt(s, 0, 32) + *i = int32Value(v) + return err +} + +func (i *int32Value) Type() string { + return "int32" +} + +func (i *int32Value) String() string { return strconv.FormatInt(int64(*i), 10) } + +func int32Conv(sval string) (interface{}, error) { + v, err := strconv.ParseInt(sval, 0, 32) + if err != nil { + return 0, err + } + return int32(v), nil +} + +// GetInt32 return the int32 value of a flag with the given name +func (f *FlagSet) GetInt32(name string) (int32, error) { + val, err := f.getFlagType(name, "int32", int32Conv) + if err != nil { + return 0, err + } + return val.(int32), nil +} + +// Int32Var defines an int32 flag with specified name, default value, and usage string. +// The argument p points to an int32 variable in which to store the value of the flag. +func (f *FlagSet) Int32Var(p *int32, name string, value int32, usage string) { + f.VarP(newInt32Value(value, p), name, "", usage) +} + +// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int32VarP(p *int32, name, shorthand string, value int32, usage string) { + f.VarP(newInt32Value(value, p), name, shorthand, usage) +} + +// Int32Var defines an int32 flag with specified name, default value, and usage string. +// The argument p points to an int32 variable in which to store the value of the flag. +func Int32Var(p *int32, name string, value int32, usage string) { + CommandLine.VarP(newInt32Value(value, p), name, "", usage) +} + +// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash. +func Int32VarP(p *int32, name, shorthand string, value int32, usage string) { + CommandLine.VarP(newInt32Value(value, p), name, shorthand, usage) +} + +// Int32 defines an int32 flag with specified name, default value, and usage string. +// The return value is the address of an int32 variable that stores the value of the flag. +func (f *FlagSet) Int32(name string, value int32, usage string) *int32 { + p := new(int32) + f.Int32VarP(p, name, "", value, usage) + return p +} + +// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int32P(name, shorthand string, value int32, usage string) *int32 { + p := new(int32) + f.Int32VarP(p, name, shorthand, value, usage) + return p +} + +// Int32 defines an int32 flag with specified name, default value, and usage string. +// The return value is the address of an int32 variable that stores the value of the flag. +func Int32(name string, value int32, usage string) *int32 { + return CommandLine.Int32P(name, "", value, usage) +} + +// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash. +func Int32P(name, shorthand string, value int32, usage string) *int32 { + return CommandLine.Int32P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int32_slice.go b/vendor/github.com/spf13/pflag/int32_slice.go new file mode 100644 index 0000000..ff128ff --- /dev/null +++ b/vendor/github.com/spf13/pflag/int32_slice.go @@ -0,0 +1,174 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- int32Slice Value +type int32SliceValue struct { + value *[]int32 + changed bool +} + +func newInt32SliceValue(val []int32, p *[]int32) *int32SliceValue { + isv := new(int32SliceValue) + isv.value = p + *isv.value = val + return isv +} + +func (s *int32SliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]int32, len(ss)) + for i, d := range ss { + var err error + var temp64 int64 + temp64, err = strconv.ParseInt(d, 0, 32) + if err != nil { + return err + } + out[i] = int32(temp64) + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *int32SliceValue) Type() string { + return "int32Slice" +} + +func (s *int32SliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%d", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *int32SliceValue) fromString(val string) (int32, error) { + t64, err := strconv.ParseInt(val, 0, 32) + if err != nil { + return 0, err + } + return int32(t64), nil +} + +func (s *int32SliceValue) toString(val int32) string { + return fmt.Sprintf("%d", val) +} + +func (s *int32SliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *int32SliceValue) Replace(val []string) error { + out := make([]int32, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *int32SliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func int32SliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []int32{}, nil + } + ss := strings.Split(val, ",") + out := make([]int32, len(ss)) + for i, d := range ss { + var err error + var temp64 int64 + temp64, err = strconv.ParseInt(d, 0, 32) + if err != nil { + return nil, err + } + out[i] = int32(temp64) + + } + return out, nil +} + +// GetInt32Slice return the []int32 value of a flag with the given name +func (f *FlagSet) GetInt32Slice(name string) ([]int32, error) { + val, err := f.getFlagType(name, "int32Slice", int32SliceConv) + if err != nil { + return []int32{}, err + } + return val.([]int32), nil +} + +// Int32SliceVar defines a int32Slice flag with specified name, default value, and usage string. +// The argument p points to a []int32 variable in which to store the value of the flag. +func (f *FlagSet) Int32SliceVar(p *[]int32, name string, value []int32, usage string) { + f.VarP(newInt32SliceValue(value, p), name, "", usage) +} + +// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) { + f.VarP(newInt32SliceValue(value, p), name, shorthand, usage) +} + +// Int32SliceVar defines a int32[] flag with specified name, default value, and usage string. +// The argument p points to a int32[] variable in which to store the value of the flag. +func Int32SliceVar(p *[]int32, name string, value []int32, usage string) { + CommandLine.VarP(newInt32SliceValue(value, p), name, "", usage) +} + +// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash. +func Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) { + CommandLine.VarP(newInt32SliceValue(value, p), name, shorthand, usage) +} + +// Int32Slice defines a []int32 flag with specified name, default value, and usage string. +// The return value is the address of a []int32 variable that stores the value of the flag. +func (f *FlagSet) Int32Slice(name string, value []int32, usage string) *[]int32 { + p := []int32{} + f.Int32SliceVarP(&p, name, "", value, usage) + return &p +} + +// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 { + p := []int32{} + f.Int32SliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// Int32Slice defines a []int32 flag with specified name, default value, and usage string. +// The return value is the address of a []int32 variable that stores the value of the flag. +func Int32Slice(name string, value []int32, usage string) *[]int32 { + return CommandLine.Int32SliceP(name, "", value, usage) +} + +// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash. +func Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 { + return CommandLine.Int32SliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int64.go b/vendor/github.com/spf13/pflag/int64.go new file mode 100644 index 0000000..0026d78 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int64.go @@ -0,0 +1,84 @@ +package pflag + +import "strconv" + +// -- int64 Value +type int64Value int64 + +func newInt64Value(val int64, p *int64) *int64Value { + *p = val + return (*int64Value)(p) +} + +func (i *int64Value) Set(s string) error { + v, err := strconv.ParseInt(s, 0, 64) + *i = int64Value(v) + return err +} + +func (i *int64Value) Type() string { + return "int64" +} + +func (i *int64Value) String() string { return strconv.FormatInt(int64(*i), 10) } + +func int64Conv(sval string) (interface{}, error) { + return strconv.ParseInt(sval, 0, 64) +} + +// GetInt64 return the int64 value of a flag with the given name +func (f *FlagSet) GetInt64(name string) (int64, error) { + val, err := f.getFlagType(name, "int64", int64Conv) + if err != nil { + return 0, err + } + return val.(int64), nil +} + +// Int64Var defines an int64 flag with specified name, default value, and usage string. +// The argument p points to an int64 variable in which to store the value of the flag. +func (f *FlagSet) Int64Var(p *int64, name string, value int64, usage string) { + f.VarP(newInt64Value(value, p), name, "", usage) +} + +// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int64VarP(p *int64, name, shorthand string, value int64, usage string) { + f.VarP(newInt64Value(value, p), name, shorthand, usage) +} + +// Int64Var defines an int64 flag with specified name, default value, and usage string. +// The argument p points to an int64 variable in which to store the value of the flag. +func Int64Var(p *int64, name string, value int64, usage string) { + CommandLine.VarP(newInt64Value(value, p), name, "", usage) +} + +// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash. +func Int64VarP(p *int64, name, shorthand string, value int64, usage string) { + CommandLine.VarP(newInt64Value(value, p), name, shorthand, usage) +} + +// Int64 defines an int64 flag with specified name, default value, and usage string. +// The return value is the address of an int64 variable that stores the value of the flag. +func (f *FlagSet) Int64(name string, value int64, usage string) *int64 { + p := new(int64) + f.Int64VarP(p, name, "", value, usage) + return p +} + +// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int64P(name, shorthand string, value int64, usage string) *int64 { + p := new(int64) + f.Int64VarP(p, name, shorthand, value, usage) + return p +} + +// Int64 defines an int64 flag with specified name, default value, and usage string. +// The return value is the address of an int64 variable that stores the value of the flag. +func Int64(name string, value int64, usage string) *int64 { + return CommandLine.Int64P(name, "", value, usage) +} + +// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash. +func Int64P(name, shorthand string, value int64, usage string) *int64 { + return CommandLine.Int64P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int64_slice.go b/vendor/github.com/spf13/pflag/int64_slice.go new file mode 100644 index 0000000..2546463 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int64_slice.go @@ -0,0 +1,166 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- int64Slice Value +type int64SliceValue struct { + value *[]int64 + changed bool +} + +func newInt64SliceValue(val []int64, p *[]int64) *int64SliceValue { + isv := new(int64SliceValue) + isv.value = p + *isv.value = val + return isv +} + +func (s *int64SliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]int64, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.ParseInt(d, 0, 64) + if err != nil { + return err + } + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *int64SliceValue) Type() string { + return "int64Slice" +} + +func (s *int64SliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%d", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *int64SliceValue) fromString(val string) (int64, error) { + return strconv.ParseInt(val, 0, 64) +} + +func (s *int64SliceValue) toString(val int64) string { + return fmt.Sprintf("%d", val) +} + +func (s *int64SliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *int64SliceValue) Replace(val []string) error { + out := make([]int64, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *int64SliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func int64SliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []int64{}, nil + } + ss := strings.Split(val, ",") + out := make([]int64, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.ParseInt(d, 0, 64) + if err != nil { + return nil, err + } + + } + return out, nil +} + +// GetInt64Slice return the []int64 value of a flag with the given name +func (f *FlagSet) GetInt64Slice(name string) ([]int64, error) { + val, err := f.getFlagType(name, "int64Slice", int64SliceConv) + if err != nil { + return []int64{}, err + } + return val.([]int64), nil +} + +// Int64SliceVar defines a int64Slice flag with specified name, default value, and usage string. +// The argument p points to a []int64 variable in which to store the value of the flag. +func (f *FlagSet) Int64SliceVar(p *[]int64, name string, value []int64, usage string) { + f.VarP(newInt64SliceValue(value, p), name, "", usage) +} + +// Int64SliceVarP is like Int64SliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int64SliceVarP(p *[]int64, name, shorthand string, value []int64, usage string) { + f.VarP(newInt64SliceValue(value, p), name, shorthand, usage) +} + +// Int64SliceVar defines a int64[] flag with specified name, default value, and usage string. +// The argument p points to a int64[] variable in which to store the value of the flag. +func Int64SliceVar(p *[]int64, name string, value []int64, usage string) { + CommandLine.VarP(newInt64SliceValue(value, p), name, "", usage) +} + +// Int64SliceVarP is like Int64SliceVar, but accepts a shorthand letter that can be used after a single dash. +func Int64SliceVarP(p *[]int64, name, shorthand string, value []int64, usage string) { + CommandLine.VarP(newInt64SliceValue(value, p), name, shorthand, usage) +} + +// Int64Slice defines a []int64 flag with specified name, default value, and usage string. +// The return value is the address of a []int64 variable that stores the value of the flag. +func (f *FlagSet) Int64Slice(name string, value []int64, usage string) *[]int64 { + p := []int64{} + f.Int64SliceVarP(&p, name, "", value, usage) + return &p +} + +// Int64SliceP is like Int64Slice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int64SliceP(name, shorthand string, value []int64, usage string) *[]int64 { + p := []int64{} + f.Int64SliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// Int64Slice defines a []int64 flag with specified name, default value, and usage string. +// The return value is the address of a []int64 variable that stores the value of the flag. +func Int64Slice(name string, value []int64, usage string) *[]int64 { + return CommandLine.Int64SliceP(name, "", value, usage) +} + +// Int64SliceP is like Int64Slice, but accepts a shorthand letter that can be used after a single dash. +func Int64SliceP(name, shorthand string, value []int64, usage string) *[]int64 { + return CommandLine.Int64SliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int8.go b/vendor/github.com/spf13/pflag/int8.go new file mode 100644 index 0000000..4da9222 --- /dev/null +++ b/vendor/github.com/spf13/pflag/int8.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- int8 Value +type int8Value int8 + +func newInt8Value(val int8, p *int8) *int8Value { + *p = val + return (*int8Value)(p) +} + +func (i *int8Value) Set(s string) error { + v, err := strconv.ParseInt(s, 0, 8) + *i = int8Value(v) + return err +} + +func (i *int8Value) Type() string { + return "int8" +} + +func (i *int8Value) String() string { return strconv.FormatInt(int64(*i), 10) } + +func int8Conv(sval string) (interface{}, error) { + v, err := strconv.ParseInt(sval, 0, 8) + if err != nil { + return 0, err + } + return int8(v), nil +} + +// GetInt8 return the int8 value of a flag with the given name +func (f *FlagSet) GetInt8(name string) (int8, error) { + val, err := f.getFlagType(name, "int8", int8Conv) + if err != nil { + return 0, err + } + return val.(int8), nil +} + +// Int8Var defines an int8 flag with specified name, default value, and usage string. +// The argument p points to an int8 variable in which to store the value of the flag. +func (f *FlagSet) Int8Var(p *int8, name string, value int8, usage string) { + f.VarP(newInt8Value(value, p), name, "", usage) +} + +// Int8VarP is like Int8Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int8VarP(p *int8, name, shorthand string, value int8, usage string) { + f.VarP(newInt8Value(value, p), name, shorthand, usage) +} + +// Int8Var defines an int8 flag with specified name, default value, and usage string. +// The argument p points to an int8 variable in which to store the value of the flag. +func Int8Var(p *int8, name string, value int8, usage string) { + CommandLine.VarP(newInt8Value(value, p), name, "", usage) +} + +// Int8VarP is like Int8Var, but accepts a shorthand letter that can be used after a single dash. +func Int8VarP(p *int8, name, shorthand string, value int8, usage string) { + CommandLine.VarP(newInt8Value(value, p), name, shorthand, usage) +} + +// Int8 defines an int8 flag with specified name, default value, and usage string. +// The return value is the address of an int8 variable that stores the value of the flag. +func (f *FlagSet) Int8(name string, value int8, usage string) *int8 { + p := new(int8) + f.Int8VarP(p, name, "", value, usage) + return p +} + +// Int8P is like Int8, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Int8P(name, shorthand string, value int8, usage string) *int8 { + p := new(int8) + f.Int8VarP(p, name, shorthand, value, usage) + return p +} + +// Int8 defines an int8 flag with specified name, default value, and usage string. +// The return value is the address of an int8 variable that stores the value of the flag. +func Int8(name string, value int8, usage string) *int8 { + return CommandLine.Int8P(name, "", value, usage) +} + +// Int8P is like Int8, but accepts a shorthand letter that can be used after a single dash. +func Int8P(name, shorthand string, value int8, usage string) *int8 { + return CommandLine.Int8P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/int_slice.go b/vendor/github.com/spf13/pflag/int_slice.go new file mode 100644 index 0000000..e71c39d --- /dev/null +++ b/vendor/github.com/spf13/pflag/int_slice.go @@ -0,0 +1,158 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- intSlice Value +type intSliceValue struct { + value *[]int + changed bool +} + +func newIntSliceValue(val []int, p *[]int) *intSliceValue { + isv := new(intSliceValue) + isv.value = p + *isv.value = val + return isv +} + +func (s *intSliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]int, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.Atoi(d) + if err != nil { + return err + } + + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *intSliceValue) Type() string { + return "intSlice" +} + +func (s *intSliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%d", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *intSliceValue) Append(val string) error { + i, err := strconv.Atoi(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *intSliceValue) Replace(val []string) error { + out := make([]int, len(val)) + for i, d := range val { + var err error + out[i], err = strconv.Atoi(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *intSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = strconv.Itoa(d) + } + return out +} + +func intSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []int{}, nil + } + ss := strings.Split(val, ",") + out := make([]int, len(ss)) + for i, d := range ss { + var err error + out[i], err = strconv.Atoi(d) + if err != nil { + return nil, err + } + + } + return out, nil +} + +// GetIntSlice return the []int value of a flag with the given name +func (f *FlagSet) GetIntSlice(name string) ([]int, error) { + val, err := f.getFlagType(name, "intSlice", intSliceConv) + if err != nil { + return []int{}, err + } + return val.([]int), nil +} + +// IntSliceVar defines a intSlice flag with specified name, default value, and usage string. +// The argument p points to a []int variable in which to store the value of the flag. +func (f *FlagSet) IntSliceVar(p *[]int, name string, value []int, usage string) { + f.VarP(newIntSliceValue(value, p), name, "", usage) +} + +// IntSliceVarP is like IntSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IntSliceVarP(p *[]int, name, shorthand string, value []int, usage string) { + f.VarP(newIntSliceValue(value, p), name, shorthand, usage) +} + +// IntSliceVar defines a int[] flag with specified name, default value, and usage string. +// The argument p points to a int[] variable in which to store the value of the flag. +func IntSliceVar(p *[]int, name string, value []int, usage string) { + CommandLine.VarP(newIntSliceValue(value, p), name, "", usage) +} + +// IntSliceVarP is like IntSliceVar, but accepts a shorthand letter that can be used after a single dash. +func IntSliceVarP(p *[]int, name, shorthand string, value []int, usage string) { + CommandLine.VarP(newIntSliceValue(value, p), name, shorthand, usage) +} + +// IntSlice defines a []int flag with specified name, default value, and usage string. +// The return value is the address of a []int variable that stores the value of the flag. +func (f *FlagSet) IntSlice(name string, value []int, usage string) *[]int { + p := []int{} + f.IntSliceVarP(&p, name, "", value, usage) + return &p +} + +// IntSliceP is like IntSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IntSliceP(name, shorthand string, value []int, usage string) *[]int { + p := []int{} + f.IntSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// IntSlice defines a []int flag with specified name, default value, and usage string. +// The return value is the address of a []int variable that stores the value of the flag. +func IntSlice(name string, value []int, usage string) *[]int { + return CommandLine.IntSliceP(name, "", value, usage) +} + +// IntSliceP is like IntSlice, but accepts a shorthand letter that can be used after a single dash. +func IntSliceP(name, shorthand string, value []int, usage string) *[]int { + return CommandLine.IntSliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/ip.go b/vendor/github.com/spf13/pflag/ip.go new file mode 100644 index 0000000..3d414ba --- /dev/null +++ b/vendor/github.com/spf13/pflag/ip.go @@ -0,0 +1,94 @@ +package pflag + +import ( + "fmt" + "net" + "strings" +) + +// -- net.IP value +type ipValue net.IP + +func newIPValue(val net.IP, p *net.IP) *ipValue { + *p = val + return (*ipValue)(p) +} + +func (i *ipValue) String() string { return net.IP(*i).String() } +func (i *ipValue) Set(s string) error { + ip := net.ParseIP(strings.TrimSpace(s)) + if ip == nil { + return fmt.Errorf("failed to parse IP: %q", s) + } + *i = ipValue(ip) + return nil +} + +func (i *ipValue) Type() string { + return "ip" +} + +func ipConv(sval string) (interface{}, error) { + ip := net.ParseIP(sval) + if ip != nil { + return ip, nil + } + return nil, fmt.Errorf("invalid string being converted to IP address: %s", sval) +} + +// GetIP return the net.IP value of a flag with the given name +func (f *FlagSet) GetIP(name string) (net.IP, error) { + val, err := f.getFlagType(name, "ip", ipConv) + if err != nil { + return nil, err + } + return val.(net.IP), nil +} + +// IPVar defines an net.IP flag with specified name, default value, and usage string. +// The argument p points to an net.IP variable in which to store the value of the flag. +func (f *FlagSet) IPVar(p *net.IP, name string, value net.IP, usage string) { + f.VarP(newIPValue(value, p), name, "", usage) +} + +// IPVarP is like IPVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPVarP(p *net.IP, name, shorthand string, value net.IP, usage string) { + f.VarP(newIPValue(value, p), name, shorthand, usage) +} + +// IPVar defines an net.IP flag with specified name, default value, and usage string. +// The argument p points to an net.IP variable in which to store the value of the flag. +func IPVar(p *net.IP, name string, value net.IP, usage string) { + CommandLine.VarP(newIPValue(value, p), name, "", usage) +} + +// IPVarP is like IPVar, but accepts a shorthand letter that can be used after a single dash. +func IPVarP(p *net.IP, name, shorthand string, value net.IP, usage string) { + CommandLine.VarP(newIPValue(value, p), name, shorthand, usage) +} + +// IP defines an net.IP flag with specified name, default value, and usage string. +// The return value is the address of an net.IP variable that stores the value of the flag. +func (f *FlagSet) IP(name string, value net.IP, usage string) *net.IP { + p := new(net.IP) + f.IPVarP(p, name, "", value, usage) + return p +} + +// IPP is like IP, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPP(name, shorthand string, value net.IP, usage string) *net.IP { + p := new(net.IP) + f.IPVarP(p, name, shorthand, value, usage) + return p +} + +// IP defines an net.IP flag with specified name, default value, and usage string. +// The return value is the address of an net.IP variable that stores the value of the flag. +func IP(name string, value net.IP, usage string) *net.IP { + return CommandLine.IPP(name, "", value, usage) +} + +// IPP is like IP, but accepts a shorthand letter that can be used after a single dash. +func IPP(name, shorthand string, value net.IP, usage string) *net.IP { + return CommandLine.IPP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/ip_slice.go b/vendor/github.com/spf13/pflag/ip_slice.go new file mode 100644 index 0000000..775faae --- /dev/null +++ b/vendor/github.com/spf13/pflag/ip_slice.go @@ -0,0 +1,186 @@ +package pflag + +import ( + "fmt" + "io" + "net" + "strings" +) + +// -- ipSlice Value +type ipSliceValue struct { + value *[]net.IP + changed bool +} + +func newIPSliceValue(val []net.IP, p *[]net.IP) *ipSliceValue { + ipsv := new(ipSliceValue) + ipsv.value = p + *ipsv.value = val + return ipsv +} + +// Set converts, and assigns, the comma-separated IP argument string representation as the []net.IP value of this flag. +// If Set is called on a flag that already has a []net.IP assigned, the newly converted values will be appended. +func (s *ipSliceValue) Set(val string) error { + + // remove all quote characters + rmQuote := strings.NewReplacer(`"`, "", `'`, "", "`", "") + + // read flag arguments with CSV parser + ipStrSlice, err := readAsCSV(rmQuote.Replace(val)) + if err != nil && err != io.EOF { + return err + } + + // parse ip values into slice + out := make([]net.IP, 0, len(ipStrSlice)) + for _, ipStr := range ipStrSlice { + ip := net.ParseIP(strings.TrimSpace(ipStr)) + if ip == nil { + return fmt.Errorf("invalid string being converted to IP address: %s", ipStr) + } + out = append(out, ip) + } + + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + + s.changed = true + + return nil +} + +// Type returns a string that uniquely represents this flag's type. +func (s *ipSliceValue) Type() string { + return "ipSlice" +} + +// String defines a "native" format for this net.IP slice flag value. +func (s *ipSliceValue) String() string { + + ipStrSlice := make([]string, len(*s.value)) + for i, ip := range *s.value { + ipStrSlice[i] = ip.String() + } + + out, _ := writeAsCSV(ipStrSlice) + + return "[" + out + "]" +} + +func (s *ipSliceValue) fromString(val string) (net.IP, error) { + return net.ParseIP(strings.TrimSpace(val)), nil +} + +func (s *ipSliceValue) toString(val net.IP) string { + return val.String() +} + +func (s *ipSliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *ipSliceValue) Replace(val []string) error { + out := make([]net.IP, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *ipSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func ipSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []net.IP{}, nil + } + ss := strings.Split(val, ",") + out := make([]net.IP, len(ss)) + for i, sval := range ss { + ip := net.ParseIP(strings.TrimSpace(sval)) + if ip == nil { + return nil, fmt.Errorf("invalid string being converted to IP address: %s", sval) + } + out[i] = ip + } + return out, nil +} + +// GetIPSlice returns the []net.IP value of a flag with the given name +func (f *FlagSet) GetIPSlice(name string) ([]net.IP, error) { + val, err := f.getFlagType(name, "ipSlice", ipSliceConv) + if err != nil { + return []net.IP{}, err + } + return val.([]net.IP), nil +} + +// IPSliceVar defines a ipSlice flag with specified name, default value, and usage string. +// The argument p points to a []net.IP variable in which to store the value of the flag. +func (f *FlagSet) IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) { + f.VarP(newIPSliceValue(value, p), name, "", usage) +} + +// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) { + f.VarP(newIPSliceValue(value, p), name, shorthand, usage) +} + +// IPSliceVar defines a []net.IP flag with specified name, default value, and usage string. +// The argument p points to a []net.IP variable in which to store the value of the flag. +func IPSliceVar(p *[]net.IP, name string, value []net.IP, usage string) { + CommandLine.VarP(newIPSliceValue(value, p), name, "", usage) +} + +// IPSliceVarP is like IPSliceVar, but accepts a shorthand letter that can be used after a single dash. +func IPSliceVarP(p *[]net.IP, name, shorthand string, value []net.IP, usage string) { + CommandLine.VarP(newIPSliceValue(value, p), name, shorthand, usage) +} + +// IPSlice defines a []net.IP flag with specified name, default value, and usage string. +// The return value is the address of a []net.IP variable that stores the value of that flag. +func (f *FlagSet) IPSlice(name string, value []net.IP, usage string) *[]net.IP { + p := []net.IP{} + f.IPSliceVarP(&p, name, "", value, usage) + return &p +} + +// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP { + p := []net.IP{} + f.IPSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// IPSlice defines a []net.IP flag with specified name, default value, and usage string. +// The return value is the address of a []net.IP variable that stores the value of the flag. +func IPSlice(name string, value []net.IP, usage string) *[]net.IP { + return CommandLine.IPSliceP(name, "", value, usage) +} + +// IPSliceP is like IPSlice, but accepts a shorthand letter that can be used after a single dash. +func IPSliceP(name, shorthand string, value []net.IP, usage string) *[]net.IP { + return CommandLine.IPSliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/ipmask.go b/vendor/github.com/spf13/pflag/ipmask.go new file mode 100644 index 0000000..5bd44bd --- /dev/null +++ b/vendor/github.com/spf13/pflag/ipmask.go @@ -0,0 +1,122 @@ +package pflag + +import ( + "fmt" + "net" + "strconv" +) + +// -- net.IPMask value +type ipMaskValue net.IPMask + +func newIPMaskValue(val net.IPMask, p *net.IPMask) *ipMaskValue { + *p = val + return (*ipMaskValue)(p) +} + +func (i *ipMaskValue) String() string { return net.IPMask(*i).String() } +func (i *ipMaskValue) Set(s string) error { + ip := ParseIPv4Mask(s) + if ip == nil { + return fmt.Errorf("failed to parse IP mask: %q", s) + } + *i = ipMaskValue(ip) + return nil +} + +func (i *ipMaskValue) Type() string { + return "ipMask" +} + +// ParseIPv4Mask written in IP form (e.g. 255.255.255.0). +// This function should really belong to the net package. +func ParseIPv4Mask(s string) net.IPMask { + mask := net.ParseIP(s) + if mask == nil { + if len(s) != 8 { + return nil + } + // net.IPMask.String() actually outputs things like ffffff00 + // so write a horrible parser for that as well :-( + m := []int{} + for i := 0; i < 4; i++ { + b := "0x" + s[2*i:2*i+2] + d, err := strconv.ParseInt(b, 0, 0) + if err != nil { + return nil + } + m = append(m, int(d)) + } + s := fmt.Sprintf("%d.%d.%d.%d", m[0], m[1], m[2], m[3]) + mask = net.ParseIP(s) + if mask == nil { + return nil + } + } + return net.IPv4Mask(mask[12], mask[13], mask[14], mask[15]) +} + +func parseIPv4Mask(sval string) (interface{}, error) { + mask := ParseIPv4Mask(sval) + if mask == nil { + return nil, fmt.Errorf("unable to parse %s as net.IPMask", sval) + } + return mask, nil +} + +// GetIPv4Mask return the net.IPv4Mask value of a flag with the given name +func (f *FlagSet) GetIPv4Mask(name string) (net.IPMask, error) { + val, err := f.getFlagType(name, "ipMask", parseIPv4Mask) + if err != nil { + return nil, err + } + return val.(net.IPMask), nil +} + +// IPMaskVar defines an net.IPMask flag with specified name, default value, and usage string. +// The argument p points to an net.IPMask variable in which to store the value of the flag. +func (f *FlagSet) IPMaskVar(p *net.IPMask, name string, value net.IPMask, usage string) { + f.VarP(newIPMaskValue(value, p), name, "", usage) +} + +// IPMaskVarP is like IPMaskVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPMaskVarP(p *net.IPMask, name, shorthand string, value net.IPMask, usage string) { + f.VarP(newIPMaskValue(value, p), name, shorthand, usage) +} + +// IPMaskVar defines an net.IPMask flag with specified name, default value, and usage string. +// The argument p points to an net.IPMask variable in which to store the value of the flag. +func IPMaskVar(p *net.IPMask, name string, value net.IPMask, usage string) { + CommandLine.VarP(newIPMaskValue(value, p), name, "", usage) +} + +// IPMaskVarP is like IPMaskVar, but accepts a shorthand letter that can be used after a single dash. +func IPMaskVarP(p *net.IPMask, name, shorthand string, value net.IPMask, usage string) { + CommandLine.VarP(newIPMaskValue(value, p), name, shorthand, usage) +} + +// IPMask defines an net.IPMask flag with specified name, default value, and usage string. +// The return value is the address of an net.IPMask variable that stores the value of the flag. +func (f *FlagSet) IPMask(name string, value net.IPMask, usage string) *net.IPMask { + p := new(net.IPMask) + f.IPMaskVarP(p, name, "", value, usage) + return p +} + +// IPMaskP is like IPMask, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPMaskP(name, shorthand string, value net.IPMask, usage string) *net.IPMask { + p := new(net.IPMask) + f.IPMaskVarP(p, name, shorthand, value, usage) + return p +} + +// IPMask defines an net.IPMask flag with specified name, default value, and usage string. +// The return value is the address of an net.IPMask variable that stores the value of the flag. +func IPMask(name string, value net.IPMask, usage string) *net.IPMask { + return CommandLine.IPMaskP(name, "", value, usage) +} + +// IPMaskP is like IP, but accepts a shorthand letter that can be used after a single dash. +func IPMaskP(name, shorthand string, value net.IPMask, usage string) *net.IPMask { + return CommandLine.IPMaskP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/ipnet.go b/vendor/github.com/spf13/pflag/ipnet.go new file mode 100644 index 0000000..e2c1b8b --- /dev/null +++ b/vendor/github.com/spf13/pflag/ipnet.go @@ -0,0 +1,98 @@ +package pflag + +import ( + "fmt" + "net" + "strings" +) + +// IPNet adapts net.IPNet for use as a flag. +type ipNetValue net.IPNet + +func (ipnet ipNetValue) String() string { + n := net.IPNet(ipnet) + return n.String() +} + +func (ipnet *ipNetValue) Set(value string) error { + _, n, err := net.ParseCIDR(strings.TrimSpace(value)) + if err != nil { + return err + } + *ipnet = ipNetValue(*n) + return nil +} + +func (*ipNetValue) Type() string { + return "ipNet" +} + +func newIPNetValue(val net.IPNet, p *net.IPNet) *ipNetValue { + *p = val + return (*ipNetValue)(p) +} + +func ipNetConv(sval string) (interface{}, error) { + _, n, err := net.ParseCIDR(strings.TrimSpace(sval)) + if err == nil { + return *n, nil + } + return nil, fmt.Errorf("invalid string being converted to IPNet: %s", sval) +} + +// GetIPNet return the net.IPNet value of a flag with the given name +func (f *FlagSet) GetIPNet(name string) (net.IPNet, error) { + val, err := f.getFlagType(name, "ipNet", ipNetConv) + if err != nil { + return net.IPNet{}, err + } + return val.(net.IPNet), nil +} + +// IPNetVar defines an net.IPNet flag with specified name, default value, and usage string. +// The argument p points to an net.IPNet variable in which to store the value of the flag. +func (f *FlagSet) IPNetVar(p *net.IPNet, name string, value net.IPNet, usage string) { + f.VarP(newIPNetValue(value, p), name, "", usage) +} + +// IPNetVarP is like IPNetVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPNetVarP(p *net.IPNet, name, shorthand string, value net.IPNet, usage string) { + f.VarP(newIPNetValue(value, p), name, shorthand, usage) +} + +// IPNetVar defines an net.IPNet flag with specified name, default value, and usage string. +// The argument p points to an net.IPNet variable in which to store the value of the flag. +func IPNetVar(p *net.IPNet, name string, value net.IPNet, usage string) { + CommandLine.VarP(newIPNetValue(value, p), name, "", usage) +} + +// IPNetVarP is like IPNetVar, but accepts a shorthand letter that can be used after a single dash. +func IPNetVarP(p *net.IPNet, name, shorthand string, value net.IPNet, usage string) { + CommandLine.VarP(newIPNetValue(value, p), name, shorthand, usage) +} + +// IPNet defines an net.IPNet flag with specified name, default value, and usage string. +// The return value is the address of an net.IPNet variable that stores the value of the flag. +func (f *FlagSet) IPNet(name string, value net.IPNet, usage string) *net.IPNet { + p := new(net.IPNet) + f.IPNetVarP(p, name, "", value, usage) + return p +} + +// IPNetP is like IPNet, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) IPNetP(name, shorthand string, value net.IPNet, usage string) *net.IPNet { + p := new(net.IPNet) + f.IPNetVarP(p, name, shorthand, value, usage) + return p +} + +// IPNet defines an net.IPNet flag with specified name, default value, and usage string. +// The return value is the address of an net.IPNet variable that stores the value of the flag. +func IPNet(name string, value net.IPNet, usage string) *net.IPNet { + return CommandLine.IPNetP(name, "", value, usage) +} + +// IPNetP is like IPNet, but accepts a shorthand letter that can be used after a single dash. +func IPNetP(name, shorthand string, value net.IPNet, usage string) *net.IPNet { + return CommandLine.IPNetP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string.go b/vendor/github.com/spf13/pflag/string.go new file mode 100644 index 0000000..04e0a26 --- /dev/null +++ b/vendor/github.com/spf13/pflag/string.go @@ -0,0 +1,80 @@ +package pflag + +// -- string Value +type stringValue string + +func newStringValue(val string, p *string) *stringValue { + *p = val + return (*stringValue)(p) +} + +func (s *stringValue) Set(val string) error { + *s = stringValue(val) + return nil +} +func (s *stringValue) Type() string { + return "string" +} + +func (s *stringValue) String() string { return string(*s) } + +func stringConv(sval string) (interface{}, error) { + return sval, nil +} + +// GetString return the string value of a flag with the given name +func (f *FlagSet) GetString(name string) (string, error) { + val, err := f.getFlagType(name, "string", stringConv) + if err != nil { + return "", err + } + return val.(string), nil +} + +// StringVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a string variable in which to store the value of the flag. +func (f *FlagSet) StringVar(p *string, name string, value string, usage string) { + f.VarP(newStringValue(value, p), name, "", usage) +} + +// StringVarP is like StringVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringVarP(p *string, name, shorthand string, value string, usage string) { + f.VarP(newStringValue(value, p), name, shorthand, usage) +} + +// StringVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a string variable in which to store the value of the flag. +func StringVar(p *string, name string, value string, usage string) { + CommandLine.VarP(newStringValue(value, p), name, "", usage) +} + +// StringVarP is like StringVar, but accepts a shorthand letter that can be used after a single dash. +func StringVarP(p *string, name, shorthand string, value string, usage string) { + CommandLine.VarP(newStringValue(value, p), name, shorthand, usage) +} + +// String defines a string flag with specified name, default value, and usage string. +// The return value is the address of a string variable that stores the value of the flag. +func (f *FlagSet) String(name string, value string, usage string) *string { + p := new(string) + f.StringVarP(p, name, "", value, usage) + return p +} + +// StringP is like String, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringP(name, shorthand string, value string, usage string) *string { + p := new(string) + f.StringVarP(p, name, shorthand, value, usage) + return p +} + +// String defines a string flag with specified name, default value, and usage string. +// The return value is the address of a string variable that stores the value of the flag. +func String(name string, value string, usage string) *string { + return CommandLine.StringP(name, "", value, usage) +} + +// StringP is like String, but accepts a shorthand letter that can be used after a single dash. +func StringP(name, shorthand string, value string, usage string) *string { + return CommandLine.StringP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string_array.go b/vendor/github.com/spf13/pflag/string_array.go new file mode 100644 index 0000000..4894af8 --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_array.go @@ -0,0 +1,129 @@ +package pflag + +// -- stringArray Value +type stringArrayValue struct { + value *[]string + changed bool +} + +func newStringArrayValue(val []string, p *[]string) *stringArrayValue { + ssv := new(stringArrayValue) + ssv.value = p + *ssv.value = val + return ssv +} + +func (s *stringArrayValue) Set(val string) error { + if !s.changed { + *s.value = []string{val} + s.changed = true + } else { + *s.value = append(*s.value, val) + } + return nil +} + +func (s *stringArrayValue) Append(val string) error { + *s.value = append(*s.value, val) + return nil +} + +func (s *stringArrayValue) Replace(val []string) error { + out := make([]string, len(val)) + for i, d := range val { + var err error + out[i] = d + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *stringArrayValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = d + } + return out +} + +func (s *stringArrayValue) Type() string { + return "stringArray" +} + +func (s *stringArrayValue) String() string { + str, _ := writeAsCSV(*s.value) + return "[" + str + "]" +} + +func stringArrayConv(sval string) (interface{}, error) { + sval = sval[1 : len(sval)-1] + // An empty string would cause a array with one (empty) string + if len(sval) == 0 { + return []string{}, nil + } + return readAsCSV(sval) +} + +// GetStringArray return the []string value of a flag with the given name +func (f *FlagSet) GetStringArray(name string) ([]string, error) { + val, err := f.getFlagType(name, "stringArray", stringArrayConv) + if err != nil { + return []string{}, err + } + return val.([]string), nil +} + +// StringArrayVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a []string variable in which to store the values of the multiple flags. +// The value of each argument will not try to be separated by comma. Use a StringSlice for that. +func (f *FlagSet) StringArrayVar(p *[]string, name string, value []string, usage string) { + f.VarP(newStringArrayValue(value, p), name, "", usage) +} + +// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) { + f.VarP(newStringArrayValue(value, p), name, shorthand, usage) +} + +// StringArrayVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a []string variable in which to store the value of the flag. +// The value of each argument will not try to be separated by comma. Use a StringSlice for that. +func StringArrayVar(p *[]string, name string, value []string, usage string) { + CommandLine.VarP(newStringArrayValue(value, p), name, "", usage) +} + +// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash. +func StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) { + CommandLine.VarP(newStringArrayValue(value, p), name, shorthand, usage) +} + +// StringArray defines a string flag with specified name, default value, and usage string. +// The return value is the address of a []string variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma. Use a StringSlice for that. +func (f *FlagSet) StringArray(name string, value []string, usage string) *[]string { + p := []string{} + f.StringArrayVarP(&p, name, "", value, usage) + return &p +} + +// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringArrayP(name, shorthand string, value []string, usage string) *[]string { + p := []string{} + f.StringArrayVarP(&p, name, shorthand, value, usage) + return &p +} + +// StringArray defines a string flag with specified name, default value, and usage string. +// The return value is the address of a []string variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma. Use a StringSlice for that. +func StringArray(name string, value []string, usage string) *[]string { + return CommandLine.StringArrayP(name, "", value, usage) +} + +// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash. +func StringArrayP(name, shorthand string, value []string, usage string) *[]string { + return CommandLine.StringArrayP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string_slice.go b/vendor/github.com/spf13/pflag/string_slice.go new file mode 100644 index 0000000..3cb2e69 --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_slice.go @@ -0,0 +1,163 @@ +package pflag + +import ( + "bytes" + "encoding/csv" + "strings" +) + +// -- stringSlice Value +type stringSliceValue struct { + value *[]string + changed bool +} + +func newStringSliceValue(val []string, p *[]string) *stringSliceValue { + ssv := new(stringSliceValue) + ssv.value = p + *ssv.value = val + return ssv +} + +func readAsCSV(val string) ([]string, error) { + if val == "" { + return []string{}, nil + } + stringReader := strings.NewReader(val) + csvReader := csv.NewReader(stringReader) + return csvReader.Read() +} + +func writeAsCSV(vals []string) (string, error) { + b := &bytes.Buffer{} + w := csv.NewWriter(b) + err := w.Write(vals) + if err != nil { + return "", err + } + w.Flush() + return strings.TrimSuffix(b.String(), "\n"), nil +} + +func (s *stringSliceValue) Set(val string) error { + v, err := readAsCSV(val) + if err != nil { + return err + } + if !s.changed { + *s.value = v + } else { + *s.value = append(*s.value, v...) + } + s.changed = true + return nil +} + +func (s *stringSliceValue) Type() string { + return "stringSlice" +} + +func (s *stringSliceValue) String() string { + str, _ := writeAsCSV(*s.value) + return "[" + str + "]" +} + +func (s *stringSliceValue) Append(val string) error { + *s.value = append(*s.value, val) + return nil +} + +func (s *stringSliceValue) Replace(val []string) error { + *s.value = val + return nil +} + +func (s *stringSliceValue) GetSlice() []string { + return *s.value +} + +func stringSliceConv(sval string) (interface{}, error) { + sval = sval[1 : len(sval)-1] + // An empty string would cause a slice with one (empty) string + if len(sval) == 0 { + return []string{}, nil + } + return readAsCSV(sval) +} + +// GetStringSlice return the []string value of a flag with the given name +func (f *FlagSet) GetStringSlice(name string) ([]string, error) { + val, err := f.getFlagType(name, "stringSlice", stringSliceConv) + if err != nil { + return []string{}, err + } + return val.([]string), nil +} + +// StringSliceVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a []string variable in which to store the value of the flag. +// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly. +// For example: +// --ss="v1,v2" --ss="v3" +// will result in +// []string{"v1", "v2", "v3"} +func (f *FlagSet) StringSliceVar(p *[]string, name string, value []string, usage string) { + f.VarP(newStringSliceValue(value, p), name, "", usage) +} + +// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) { + f.VarP(newStringSliceValue(value, p), name, shorthand, usage) +} + +// StringSliceVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a []string variable in which to store the value of the flag. +// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly. +// For example: +// --ss="v1,v2" --ss="v3" +// will result in +// []string{"v1", "v2", "v3"} +func StringSliceVar(p *[]string, name string, value []string, usage string) { + CommandLine.VarP(newStringSliceValue(value, p), name, "", usage) +} + +// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash. +func StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) { + CommandLine.VarP(newStringSliceValue(value, p), name, shorthand, usage) +} + +// StringSlice defines a string flag with specified name, default value, and usage string. +// The return value is the address of a []string variable that stores the value of the flag. +// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly. +// For example: +// --ss="v1,v2" --ss="v3" +// will result in +// []string{"v1", "v2", "v3"} +func (f *FlagSet) StringSlice(name string, value []string, usage string) *[]string { + p := []string{} + f.StringSliceVarP(&p, name, "", value, usage) + return &p +} + +// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringSliceP(name, shorthand string, value []string, usage string) *[]string { + p := []string{} + f.StringSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// StringSlice defines a string flag with specified name, default value, and usage string. +// The return value is the address of a []string variable that stores the value of the flag. +// Compared to StringArray flags, StringSlice flags take comma-separated value as arguments and split them accordingly. +// For example: +// --ss="v1,v2" --ss="v3" +// will result in +// []string{"v1", "v2", "v3"} +func StringSlice(name string, value []string, usage string) *[]string { + return CommandLine.StringSliceP(name, "", value, usage) +} + +// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash. +func StringSliceP(name, shorthand string, value []string, usage string) *[]string { + return CommandLine.StringSliceP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string_to_int.go b/vendor/github.com/spf13/pflag/string_to_int.go new file mode 100644 index 0000000..5ceda39 --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_to_int.go @@ -0,0 +1,149 @@ +package pflag + +import ( + "bytes" + "fmt" + "strconv" + "strings" +) + +// -- stringToInt Value +type stringToIntValue struct { + value *map[string]int + changed bool +} + +func newStringToIntValue(val map[string]int, p *map[string]int) *stringToIntValue { + ssv := new(stringToIntValue) + ssv.value = p + *ssv.value = val + return ssv +} + +// Format: a=1,b=2 +func (s *stringToIntValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make(map[string]int, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.Atoi(kv[1]) + if err != nil { + return err + } + } + if !s.changed { + *s.value = out + } else { + for k, v := range out { + (*s.value)[k] = v + } + } + s.changed = true + return nil +} + +func (s *stringToIntValue) Type() string { + return "stringToInt" +} + +func (s *stringToIntValue) String() string { + var buf bytes.Buffer + i := 0 + for k, v := range *s.value { + if i > 0 { + buf.WriteRune(',') + } + buf.WriteString(k) + buf.WriteRune('=') + buf.WriteString(strconv.Itoa(v)) + i++ + } + return "[" + buf.String() + "]" +} + +func stringToIntConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // An empty string would cause an empty map + if len(val) == 0 { + return map[string]int{}, nil + } + ss := strings.Split(val, ",") + out := make(map[string]int, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.Atoi(kv[1]) + if err != nil { + return nil, err + } + } + return out, nil +} + +// GetStringToInt return the map[string]int value of a flag with the given name +func (f *FlagSet) GetStringToInt(name string) (map[string]int, error) { + val, err := f.getFlagType(name, "stringToInt", stringToIntConv) + if err != nil { + return map[string]int{}, err + } + return val.(map[string]int), nil +} + +// StringToIntVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a map[string]int variable in which to store the values of the multiple flags. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToIntVar(p *map[string]int, name string, value map[string]int, usage string) { + f.VarP(newStringToIntValue(value, p), name, "", usage) +} + +// StringToIntVarP is like StringToIntVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToIntVarP(p *map[string]int, name, shorthand string, value map[string]int, usage string) { + f.VarP(newStringToIntValue(value, p), name, shorthand, usage) +} + +// StringToIntVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a map[string]int variable in which to store the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToIntVar(p *map[string]int, name string, value map[string]int, usage string) { + CommandLine.VarP(newStringToIntValue(value, p), name, "", usage) +} + +// StringToIntVarP is like StringToIntVar, but accepts a shorthand letter that can be used after a single dash. +func StringToIntVarP(p *map[string]int, name, shorthand string, value map[string]int, usage string) { + CommandLine.VarP(newStringToIntValue(value, p), name, shorthand, usage) +} + +// StringToInt defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToInt(name string, value map[string]int, usage string) *map[string]int { + p := map[string]int{} + f.StringToIntVarP(&p, name, "", value, usage) + return &p +} + +// StringToIntP is like StringToInt, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToIntP(name, shorthand string, value map[string]int, usage string) *map[string]int { + p := map[string]int{} + f.StringToIntVarP(&p, name, shorthand, value, usage) + return &p +} + +// StringToInt defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToInt(name string, value map[string]int, usage string) *map[string]int { + return CommandLine.StringToIntP(name, "", value, usage) +} + +// StringToIntP is like StringToInt, but accepts a shorthand letter that can be used after a single dash. +func StringToIntP(name, shorthand string, value map[string]int, usage string) *map[string]int { + return CommandLine.StringToIntP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string_to_int64.go b/vendor/github.com/spf13/pflag/string_to_int64.go new file mode 100644 index 0000000..a807a04 --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_to_int64.go @@ -0,0 +1,149 @@ +package pflag + +import ( + "bytes" + "fmt" + "strconv" + "strings" +) + +// -- stringToInt64 Value +type stringToInt64Value struct { + value *map[string]int64 + changed bool +} + +func newStringToInt64Value(val map[string]int64, p *map[string]int64) *stringToInt64Value { + ssv := new(stringToInt64Value) + ssv.value = p + *ssv.value = val + return ssv +} + +// Format: a=1,b=2 +func (s *stringToInt64Value) Set(val string) error { + ss := strings.Split(val, ",") + out := make(map[string]int64, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64) + if err != nil { + return err + } + } + if !s.changed { + *s.value = out + } else { + for k, v := range out { + (*s.value)[k] = v + } + } + s.changed = true + return nil +} + +func (s *stringToInt64Value) Type() string { + return "stringToInt64" +} + +func (s *stringToInt64Value) String() string { + var buf bytes.Buffer + i := 0 + for k, v := range *s.value { + if i > 0 { + buf.WriteRune(',') + } + buf.WriteString(k) + buf.WriteRune('=') + buf.WriteString(strconv.FormatInt(v, 10)) + i++ + } + return "[" + buf.String() + "]" +} + +func stringToInt64Conv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // An empty string would cause an empty map + if len(val) == 0 { + return map[string]int64{}, nil + } + ss := strings.Split(val, ",") + out := make(map[string]int64, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("%s must be formatted as key=value", pair) + } + var err error + out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64) + if err != nil { + return nil, err + } + } + return out, nil +} + +// GetStringToInt64 return the map[string]int64 value of a flag with the given name +func (f *FlagSet) GetStringToInt64(name string) (map[string]int64, error) { + val, err := f.getFlagType(name, "stringToInt64", stringToInt64Conv) + if err != nil { + return map[string]int64{}, err + } + return val.(map[string]int64), nil +} + +// StringToInt64Var defines a string flag with specified name, default value, and usage string. +// The argument p point64s to a map[string]int64 variable in which to store the values of the multiple flags. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) { + f.VarP(newStringToInt64Value(value, p), name, "", usage) +} + +// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) { + f.VarP(newStringToInt64Value(value, p), name, shorthand, usage) +} + +// StringToInt64Var defines a string flag with specified name, default value, and usage string. +// The argument p point64s to a map[string]int64 variable in which to store the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) { + CommandLine.VarP(newStringToInt64Value(value, p), name, "", usage) +} + +// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash. +func StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) { + CommandLine.VarP(newStringToInt64Value(value, p), name, shorthand, usage) +} + +// StringToInt64 defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int64 variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 { + p := map[string]int64{} + f.StringToInt64VarP(&p, name, "", value, usage) + return &p +} + +// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 { + p := map[string]int64{} + f.StringToInt64VarP(&p, name, shorthand, value, usage) + return &p +} + +// StringToInt64 defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]int64 variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 { + return CommandLine.StringToInt64P(name, "", value, usage) +} + +// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash. +func StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 { + return CommandLine.StringToInt64P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/string_to_string.go b/vendor/github.com/spf13/pflag/string_to_string.go new file mode 100644 index 0000000..890a01a --- /dev/null +++ b/vendor/github.com/spf13/pflag/string_to_string.go @@ -0,0 +1,160 @@ +package pflag + +import ( + "bytes" + "encoding/csv" + "fmt" + "strings" +) + +// -- stringToString Value +type stringToStringValue struct { + value *map[string]string + changed bool +} + +func newStringToStringValue(val map[string]string, p *map[string]string) *stringToStringValue { + ssv := new(stringToStringValue) + ssv.value = p + *ssv.value = val + return ssv +} + +// Format: a=1,b=2 +func (s *stringToStringValue) Set(val string) error { + var ss []string + n := strings.Count(val, "=") + switch n { + case 0: + return fmt.Errorf("%s must be formatted as key=value", val) + case 1: + ss = append(ss, strings.Trim(val, `"`)) + default: + r := csv.NewReader(strings.NewReader(val)) + var err error + ss, err = r.Read() + if err != nil { + return err + } + } + + out := make(map[string]string, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return fmt.Errorf("%s must be formatted as key=value", pair) + } + out[kv[0]] = kv[1] + } + if !s.changed { + *s.value = out + } else { + for k, v := range out { + (*s.value)[k] = v + } + } + s.changed = true + return nil +} + +func (s *stringToStringValue) Type() string { + return "stringToString" +} + +func (s *stringToStringValue) String() string { + records := make([]string, 0, len(*s.value)>>1) + for k, v := range *s.value { + records = append(records, k+"="+v) + } + + var buf bytes.Buffer + w := csv.NewWriter(&buf) + if err := w.Write(records); err != nil { + panic(err) + } + w.Flush() + return "[" + strings.TrimSpace(buf.String()) + "]" +} + +func stringToStringConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // An empty string would cause an empty map + if len(val) == 0 { + return map[string]string{}, nil + } + r := csv.NewReader(strings.NewReader(val)) + ss, err := r.Read() + if err != nil { + return nil, err + } + out := make(map[string]string, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("%s must be formatted as key=value", pair) + } + out[kv[0]] = kv[1] + } + return out, nil +} + +// GetStringToString return the map[string]string value of a flag with the given name +func (f *FlagSet) GetStringToString(name string) (map[string]string, error) { + val, err := f.getFlagType(name, "stringToString", stringToStringConv) + if err != nil { + return map[string]string{}, err + } + return val.(map[string]string), nil +} + +// StringToStringVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a map[string]string variable in which to store the values of the multiple flags. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToStringVar(p *map[string]string, name string, value map[string]string, usage string) { + f.VarP(newStringToStringValue(value, p), name, "", usage) +} + +// StringToStringVarP is like StringToStringVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToStringVarP(p *map[string]string, name, shorthand string, value map[string]string, usage string) { + f.VarP(newStringToStringValue(value, p), name, shorthand, usage) +} + +// StringToStringVar defines a string flag with specified name, default value, and usage string. +// The argument p points to a map[string]string variable in which to store the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToStringVar(p *map[string]string, name string, value map[string]string, usage string) { + CommandLine.VarP(newStringToStringValue(value, p), name, "", usage) +} + +// StringToStringVarP is like StringToStringVar, but accepts a shorthand letter that can be used after a single dash. +func StringToStringVarP(p *map[string]string, name, shorthand string, value map[string]string, usage string) { + CommandLine.VarP(newStringToStringValue(value, p), name, shorthand, usage) +} + +// StringToString defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]string variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func (f *FlagSet) StringToString(name string, value map[string]string, usage string) *map[string]string { + p := map[string]string{} + f.StringToStringVarP(&p, name, "", value, usage) + return &p +} + +// StringToStringP is like StringToString, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) StringToStringP(name, shorthand string, value map[string]string, usage string) *map[string]string { + p := map[string]string{} + f.StringToStringVarP(&p, name, shorthand, value, usage) + return &p +} + +// StringToString defines a string flag with specified name, default value, and usage string. +// The return value is the address of a map[string]string variable that stores the value of the flag. +// The value of each argument will not try to be separated by comma +func StringToString(name string, value map[string]string, usage string) *map[string]string { + return CommandLine.StringToStringP(name, "", value, usage) +} + +// StringToStringP is like StringToString, but accepts a shorthand letter that can be used after a single dash. +func StringToStringP(name, shorthand string, value map[string]string, usage string) *map[string]string { + return CommandLine.StringToStringP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint.go b/vendor/github.com/spf13/pflag/uint.go new file mode 100644 index 0000000..dcbc2b7 --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- uint Value +type uintValue uint + +func newUintValue(val uint, p *uint) *uintValue { + *p = val + return (*uintValue)(p) +} + +func (i *uintValue) Set(s string) error { + v, err := strconv.ParseUint(s, 0, 64) + *i = uintValue(v) + return err +} + +func (i *uintValue) Type() string { + return "uint" +} + +func (i *uintValue) String() string { return strconv.FormatUint(uint64(*i), 10) } + +func uintConv(sval string) (interface{}, error) { + v, err := strconv.ParseUint(sval, 0, 0) + if err != nil { + return 0, err + } + return uint(v), nil +} + +// GetUint return the uint value of a flag with the given name +func (f *FlagSet) GetUint(name string) (uint, error) { + val, err := f.getFlagType(name, "uint", uintConv) + if err != nil { + return 0, err + } + return val.(uint), nil +} + +// UintVar defines a uint flag with specified name, default value, and usage string. +// The argument p points to a uint variable in which to store the value of the flag. +func (f *FlagSet) UintVar(p *uint, name string, value uint, usage string) { + f.VarP(newUintValue(value, p), name, "", usage) +} + +// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) UintVarP(p *uint, name, shorthand string, value uint, usage string) { + f.VarP(newUintValue(value, p), name, shorthand, usage) +} + +// UintVar defines a uint flag with specified name, default value, and usage string. +// The argument p points to a uint variable in which to store the value of the flag. +func UintVar(p *uint, name string, value uint, usage string) { + CommandLine.VarP(newUintValue(value, p), name, "", usage) +} + +// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash. +func UintVarP(p *uint, name, shorthand string, value uint, usage string) { + CommandLine.VarP(newUintValue(value, p), name, shorthand, usage) +} + +// Uint defines a uint flag with specified name, default value, and usage string. +// The return value is the address of a uint variable that stores the value of the flag. +func (f *FlagSet) Uint(name string, value uint, usage string) *uint { + p := new(uint) + f.UintVarP(p, name, "", value, usage) + return p +} + +// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) UintP(name, shorthand string, value uint, usage string) *uint { + p := new(uint) + f.UintVarP(p, name, shorthand, value, usage) + return p +} + +// Uint defines a uint flag with specified name, default value, and usage string. +// The return value is the address of a uint variable that stores the value of the flag. +func Uint(name string, value uint, usage string) *uint { + return CommandLine.UintP(name, "", value, usage) +} + +// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash. +func UintP(name, shorthand string, value uint, usage string) *uint { + return CommandLine.UintP(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint16.go b/vendor/github.com/spf13/pflag/uint16.go new file mode 100644 index 0000000..7e9914e --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint16.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- uint16 value +type uint16Value uint16 + +func newUint16Value(val uint16, p *uint16) *uint16Value { + *p = val + return (*uint16Value)(p) +} + +func (i *uint16Value) Set(s string) error { + v, err := strconv.ParseUint(s, 0, 16) + *i = uint16Value(v) + return err +} + +func (i *uint16Value) Type() string { + return "uint16" +} + +func (i *uint16Value) String() string { return strconv.FormatUint(uint64(*i), 10) } + +func uint16Conv(sval string) (interface{}, error) { + v, err := strconv.ParseUint(sval, 0, 16) + if err != nil { + return 0, err + } + return uint16(v), nil +} + +// GetUint16 return the uint16 value of a flag with the given name +func (f *FlagSet) GetUint16(name string) (uint16, error) { + val, err := f.getFlagType(name, "uint16", uint16Conv) + if err != nil { + return 0, err + } + return val.(uint16), nil +} + +// Uint16Var defines a uint flag with specified name, default value, and usage string. +// The argument p points to a uint variable in which to store the value of the flag. +func (f *FlagSet) Uint16Var(p *uint16, name string, value uint16, usage string) { + f.VarP(newUint16Value(value, p), name, "", usage) +} + +// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) { + f.VarP(newUint16Value(value, p), name, shorthand, usage) +} + +// Uint16Var defines a uint flag with specified name, default value, and usage string. +// The argument p points to a uint variable in which to store the value of the flag. +func Uint16Var(p *uint16, name string, value uint16, usage string) { + CommandLine.VarP(newUint16Value(value, p), name, "", usage) +} + +// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash. +func Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) { + CommandLine.VarP(newUint16Value(value, p), name, shorthand, usage) +} + +// Uint16 defines a uint flag with specified name, default value, and usage string. +// The return value is the address of a uint variable that stores the value of the flag. +func (f *FlagSet) Uint16(name string, value uint16, usage string) *uint16 { + p := new(uint16) + f.Uint16VarP(p, name, "", value, usage) + return p +} + +// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint16P(name, shorthand string, value uint16, usage string) *uint16 { + p := new(uint16) + f.Uint16VarP(p, name, shorthand, value, usage) + return p +} + +// Uint16 defines a uint flag with specified name, default value, and usage string. +// The return value is the address of a uint variable that stores the value of the flag. +func Uint16(name string, value uint16, usage string) *uint16 { + return CommandLine.Uint16P(name, "", value, usage) +} + +// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash. +func Uint16P(name, shorthand string, value uint16, usage string) *uint16 { + return CommandLine.Uint16P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint32.go b/vendor/github.com/spf13/pflag/uint32.go new file mode 100644 index 0000000..d802453 --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint32.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- uint32 value +type uint32Value uint32 + +func newUint32Value(val uint32, p *uint32) *uint32Value { + *p = val + return (*uint32Value)(p) +} + +func (i *uint32Value) Set(s string) error { + v, err := strconv.ParseUint(s, 0, 32) + *i = uint32Value(v) + return err +} + +func (i *uint32Value) Type() string { + return "uint32" +} + +func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) } + +func uint32Conv(sval string) (interface{}, error) { + v, err := strconv.ParseUint(sval, 0, 32) + if err != nil { + return 0, err + } + return uint32(v), nil +} + +// GetUint32 return the uint32 value of a flag with the given name +func (f *FlagSet) GetUint32(name string) (uint32, error) { + val, err := f.getFlagType(name, "uint32", uint32Conv) + if err != nil { + return 0, err + } + return val.(uint32), nil +} + +// Uint32Var defines a uint32 flag with specified name, default value, and usage string. +// The argument p points to a uint32 variable in which to store the value of the flag. +func (f *FlagSet) Uint32Var(p *uint32, name string, value uint32, usage string) { + f.VarP(newUint32Value(value, p), name, "", usage) +} + +// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) { + f.VarP(newUint32Value(value, p), name, shorthand, usage) +} + +// Uint32Var defines a uint32 flag with specified name, default value, and usage string. +// The argument p points to a uint32 variable in which to store the value of the flag. +func Uint32Var(p *uint32, name string, value uint32, usage string) { + CommandLine.VarP(newUint32Value(value, p), name, "", usage) +} + +// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash. +func Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) { + CommandLine.VarP(newUint32Value(value, p), name, shorthand, usage) +} + +// Uint32 defines a uint32 flag with specified name, default value, and usage string. +// The return value is the address of a uint32 variable that stores the value of the flag. +func (f *FlagSet) Uint32(name string, value uint32, usage string) *uint32 { + p := new(uint32) + f.Uint32VarP(p, name, "", value, usage) + return p +} + +// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint32P(name, shorthand string, value uint32, usage string) *uint32 { + p := new(uint32) + f.Uint32VarP(p, name, shorthand, value, usage) + return p +} + +// Uint32 defines a uint32 flag with specified name, default value, and usage string. +// The return value is the address of a uint32 variable that stores the value of the flag. +func Uint32(name string, value uint32, usage string) *uint32 { + return CommandLine.Uint32P(name, "", value, usage) +} + +// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash. +func Uint32P(name, shorthand string, value uint32, usage string) *uint32 { + return CommandLine.Uint32P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint64.go b/vendor/github.com/spf13/pflag/uint64.go new file mode 100644 index 0000000..f62240f --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint64.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- uint64 Value +type uint64Value uint64 + +func newUint64Value(val uint64, p *uint64) *uint64Value { + *p = val + return (*uint64Value)(p) +} + +func (i *uint64Value) Set(s string) error { + v, err := strconv.ParseUint(s, 0, 64) + *i = uint64Value(v) + return err +} + +func (i *uint64Value) Type() string { + return "uint64" +} + +func (i *uint64Value) String() string { return strconv.FormatUint(uint64(*i), 10) } + +func uint64Conv(sval string) (interface{}, error) { + v, err := strconv.ParseUint(sval, 0, 64) + if err != nil { + return 0, err + } + return uint64(v), nil +} + +// GetUint64 return the uint64 value of a flag with the given name +func (f *FlagSet) GetUint64(name string) (uint64, error) { + val, err := f.getFlagType(name, "uint64", uint64Conv) + if err != nil { + return 0, err + } + return val.(uint64), nil +} + +// Uint64Var defines a uint64 flag with specified name, default value, and usage string. +// The argument p points to a uint64 variable in which to store the value of the flag. +func (f *FlagSet) Uint64Var(p *uint64, name string, value uint64, usage string) { + f.VarP(newUint64Value(value, p), name, "", usage) +} + +// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) { + f.VarP(newUint64Value(value, p), name, shorthand, usage) +} + +// Uint64Var defines a uint64 flag with specified name, default value, and usage string. +// The argument p points to a uint64 variable in which to store the value of the flag. +func Uint64Var(p *uint64, name string, value uint64, usage string) { + CommandLine.VarP(newUint64Value(value, p), name, "", usage) +} + +// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash. +func Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) { + CommandLine.VarP(newUint64Value(value, p), name, shorthand, usage) +} + +// Uint64 defines a uint64 flag with specified name, default value, and usage string. +// The return value is the address of a uint64 variable that stores the value of the flag. +func (f *FlagSet) Uint64(name string, value uint64, usage string) *uint64 { + p := new(uint64) + f.Uint64VarP(p, name, "", value, usage) + return p +} + +// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint64P(name, shorthand string, value uint64, usage string) *uint64 { + p := new(uint64) + f.Uint64VarP(p, name, shorthand, value, usage) + return p +} + +// Uint64 defines a uint64 flag with specified name, default value, and usage string. +// The return value is the address of a uint64 variable that stores the value of the flag. +func Uint64(name string, value uint64, usage string) *uint64 { + return CommandLine.Uint64P(name, "", value, usage) +} + +// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash. +func Uint64P(name, shorthand string, value uint64, usage string) *uint64 { + return CommandLine.Uint64P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint8.go b/vendor/github.com/spf13/pflag/uint8.go new file mode 100644 index 0000000..bb0e83c --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint8.go @@ -0,0 +1,88 @@ +package pflag + +import "strconv" + +// -- uint8 Value +type uint8Value uint8 + +func newUint8Value(val uint8, p *uint8) *uint8Value { + *p = val + return (*uint8Value)(p) +} + +func (i *uint8Value) Set(s string) error { + v, err := strconv.ParseUint(s, 0, 8) + *i = uint8Value(v) + return err +} + +func (i *uint8Value) Type() string { + return "uint8" +} + +func (i *uint8Value) String() string { return strconv.FormatUint(uint64(*i), 10) } + +func uint8Conv(sval string) (interface{}, error) { + v, err := strconv.ParseUint(sval, 0, 8) + if err != nil { + return 0, err + } + return uint8(v), nil +} + +// GetUint8 return the uint8 value of a flag with the given name +func (f *FlagSet) GetUint8(name string) (uint8, error) { + val, err := f.getFlagType(name, "uint8", uint8Conv) + if err != nil { + return 0, err + } + return val.(uint8), nil +} + +// Uint8Var defines a uint8 flag with specified name, default value, and usage string. +// The argument p points to a uint8 variable in which to store the value of the flag. +func (f *FlagSet) Uint8Var(p *uint8, name string, value uint8, usage string) { + f.VarP(newUint8Value(value, p), name, "", usage) +} + +// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) { + f.VarP(newUint8Value(value, p), name, shorthand, usage) +} + +// Uint8Var defines a uint8 flag with specified name, default value, and usage string. +// The argument p points to a uint8 variable in which to store the value of the flag. +func Uint8Var(p *uint8, name string, value uint8, usage string) { + CommandLine.VarP(newUint8Value(value, p), name, "", usage) +} + +// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash. +func Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) { + CommandLine.VarP(newUint8Value(value, p), name, shorthand, usage) +} + +// Uint8 defines a uint8 flag with specified name, default value, and usage string. +// The return value is the address of a uint8 variable that stores the value of the flag. +func (f *FlagSet) Uint8(name string, value uint8, usage string) *uint8 { + p := new(uint8) + f.Uint8VarP(p, name, "", value, usage) + return p +} + +// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Uint8P(name, shorthand string, value uint8, usage string) *uint8 { + p := new(uint8) + f.Uint8VarP(p, name, shorthand, value, usage) + return p +} + +// Uint8 defines a uint8 flag with specified name, default value, and usage string. +// The return value is the address of a uint8 variable that stores the value of the flag. +func Uint8(name string, value uint8, usage string) *uint8 { + return CommandLine.Uint8P(name, "", value, usage) +} + +// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash. +func Uint8P(name, shorthand string, value uint8, usage string) *uint8 { + return CommandLine.Uint8P(name, shorthand, value, usage) +} diff --git a/vendor/github.com/spf13/pflag/uint_slice.go b/vendor/github.com/spf13/pflag/uint_slice.go new file mode 100644 index 0000000..5fa9248 --- /dev/null +++ b/vendor/github.com/spf13/pflag/uint_slice.go @@ -0,0 +1,168 @@ +package pflag + +import ( + "fmt" + "strconv" + "strings" +) + +// -- uintSlice Value +type uintSliceValue struct { + value *[]uint + changed bool +} + +func newUintSliceValue(val []uint, p *[]uint) *uintSliceValue { + uisv := new(uintSliceValue) + uisv.value = p + *uisv.value = val + return uisv +} + +func (s *uintSliceValue) Set(val string) error { + ss := strings.Split(val, ",") + out := make([]uint, len(ss)) + for i, d := range ss { + u, err := strconv.ParseUint(d, 10, 0) + if err != nil { + return err + } + out[i] = uint(u) + } + if !s.changed { + *s.value = out + } else { + *s.value = append(*s.value, out...) + } + s.changed = true + return nil +} + +func (s *uintSliceValue) Type() string { + return "uintSlice" +} + +func (s *uintSliceValue) String() string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = fmt.Sprintf("%d", d) + } + return "[" + strings.Join(out, ",") + "]" +} + +func (s *uintSliceValue) fromString(val string) (uint, error) { + t, err := strconv.ParseUint(val, 10, 0) + if err != nil { + return 0, err + } + return uint(t), nil +} + +func (s *uintSliceValue) toString(val uint) string { + return fmt.Sprintf("%d", val) +} + +func (s *uintSliceValue) Append(val string) error { + i, err := s.fromString(val) + if err != nil { + return err + } + *s.value = append(*s.value, i) + return nil +} + +func (s *uintSliceValue) Replace(val []string) error { + out := make([]uint, len(val)) + for i, d := range val { + var err error + out[i], err = s.fromString(d) + if err != nil { + return err + } + } + *s.value = out + return nil +} + +func (s *uintSliceValue) GetSlice() []string { + out := make([]string, len(*s.value)) + for i, d := range *s.value { + out[i] = s.toString(d) + } + return out +} + +func uintSliceConv(val string) (interface{}, error) { + val = strings.Trim(val, "[]") + // Empty string would cause a slice with one (empty) entry + if len(val) == 0 { + return []uint{}, nil + } + ss := strings.Split(val, ",") + out := make([]uint, len(ss)) + for i, d := range ss { + u, err := strconv.ParseUint(d, 10, 0) + if err != nil { + return nil, err + } + out[i] = uint(u) + } + return out, nil +} + +// GetUintSlice returns the []uint value of a flag with the given name. +func (f *FlagSet) GetUintSlice(name string) ([]uint, error) { + val, err := f.getFlagType(name, "uintSlice", uintSliceConv) + if err != nil { + return []uint{}, err + } + return val.([]uint), nil +} + +// UintSliceVar defines a uintSlice flag with specified name, default value, and usage string. +// The argument p points to a []uint variable in which to store the value of the flag. +func (f *FlagSet) UintSliceVar(p *[]uint, name string, value []uint, usage string) { + f.VarP(newUintSliceValue(value, p), name, "", usage) +} + +// UintSliceVarP is like UintSliceVar, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) UintSliceVarP(p *[]uint, name, shorthand string, value []uint, usage string) { + f.VarP(newUintSliceValue(value, p), name, shorthand, usage) +} + +// UintSliceVar defines a uint[] flag with specified name, default value, and usage string. +// The argument p points to a uint[] variable in which to store the value of the flag. +func UintSliceVar(p *[]uint, name string, value []uint, usage string) { + CommandLine.VarP(newUintSliceValue(value, p), name, "", usage) +} + +// UintSliceVarP is like the UintSliceVar, but accepts a shorthand letter that can be used after a single dash. +func UintSliceVarP(p *[]uint, name, shorthand string, value []uint, usage string) { + CommandLine.VarP(newUintSliceValue(value, p), name, shorthand, usage) +} + +// UintSlice defines a []uint flag with specified name, default value, and usage string. +// The return value is the address of a []uint variable that stores the value of the flag. +func (f *FlagSet) UintSlice(name string, value []uint, usage string) *[]uint { + p := []uint{} + f.UintSliceVarP(&p, name, "", value, usage) + return &p +} + +// UintSliceP is like UintSlice, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) UintSliceP(name, shorthand string, value []uint, usage string) *[]uint { + p := []uint{} + f.UintSliceVarP(&p, name, shorthand, value, usage) + return &p +} + +// UintSlice defines a []uint flag with specified name, default value, and usage string. +// The return value is the address of a []uint variable that stores the value of the flag. +func UintSlice(name string, value []uint, usage string) *[]uint { + return CommandLine.UintSliceP(name, "", value, usage) +} + +// UintSliceP is like UintSlice, but accepts a shorthand letter that can be used after a single dash. +func UintSliceP(name, shorthand string, value []uint, usage string) *[]uint { + return CommandLine.UintSliceP(name, shorthand, value, usage) +} diff --git a/vendor/modules.txt b/vendor/modules.txt index bb8f3f5..d9afa79 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -31,6 +31,8 @@ github.com/golang/snappy ## explicit # github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 ## explicit +# github.com/inconshreveable/mousetrap v1.0.0 +github.com/inconshreveable/mousetrap # github.com/karrick/godirwalk v1.16.1 ## explicit github.com/karrick/godirwalk @@ -85,6 +87,11 @@ github.com/sirupsen/logrus ## explicit # github.com/smartystreets/goconvey v1.6.4 ## explicit +# github.com/spf13/cobra v1.1.1 +## explicit +github.com/spf13/cobra +# github.com/spf13/pflag v1.0.5 +github.com/spf13/pflag # github.com/stretchr/testify v1.6.1 ## explicit # github.com/syndtr/goleveldb v1.0.0 @@ -152,6 +159,8 @@ golang.org/x/text/secure/bidirule golang.org/x/text/transform golang.org/x/text/unicode/bidi golang.org/x/text/unicode/norm +# golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e +## explicit # golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 ## explicit # google.golang.org/protobuf v1.25.0