updated dependencies

go.mod

@@ -3,7 +3,9 @@ module git.paulbsd.com/paulbsd/weather
 go 1.15
 
 require (
-	github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc
+	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 // indirect
-	github.com/smartystreets/goconvey v0.0.0-20190710185942-9d28bd7c0945 // indirect
+	github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab
-	gopkg.in/ini.v1 v1.44.0
+	github.com/smartystreets/assertions v1.2.0 // indirect
+	github.com/smartystreets/goconvey v1.6.4 // indirect
+	gopkg.in/ini.v1 v1.62.0
 )

go.sum

@@ -1,13 +1,21 @@
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 h1:l5lAOZEym3oK3SQ2HBHWsJUfbNBiTXJDeW2QDxw9AQ0=
+github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc h1:KpMgaYJRieDkHZJWY3LMafvtqS/U8xX6+lUN+OKpl/Y=
 github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
+github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab h1:HqW4xhhynfjrtEiiSGcQUd6vrK23iMam1FO8rI7mwig=
+github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/assertions v1.2.0 h1:42S6lae5dvLc7BrLu/0ugRtcFVjoJNMC/N3yZFZkDFs=
+github.com/smartystreets/assertions v1.2.0/go.mod h1:tcbTF8ujkAEcZ8TElKY+i30BzYlVhC/LOxJk7iOWnoo=
 github.com/smartystreets/goconvey v0.0.0-20190710185942-9d28bd7c0945 h1:N8Bg45zpk/UcpNGnfJt2y/3lRWASHNTUET8owPYCgYI=
 github.com/smartystreets/goconvey v0.0.0-20190710185942-9d28bd7c0945/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
+github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -15,3 +23,5 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 gopkg.in/ini.v1 v1.44.0 h1:YRJzTUp0kSYWUVFF5XAbDFfyiqwsl0Vb9R8TVP5eRi0=
 gopkg.in/ini.v1 v1.44.0/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=

vendor/github.com/influxdata/influxdb1-client/README.md

@@ -9,6 +9,15 @@ To import into your Go project, run the following command in your terminal:
 Then, in your import declaration section of your Go file, paste the following:
 `import "github.com/influxdata/influxdb1-client/v2"`
 
+If you get the error `build github.com/user/influx: cannot find module for path github.com/influxdata/influxdb1-client/v2` when trying to build:
+change your import to:
+```go
+import(
+	_ "github.com/influxdata/influxdb1-client" // this is important because of the bug in go mod
+	client "github.com/influxdata/influxdb1-client/v2"
+)
+```
+
 ## Example
 The following example creates a new client to the InfluxDB host on localhost:8086 and runs a query for the measurement `cpu_load` from the `mydb` database. 
 ``` go
@@ -26,4 +35,4 @@ func ExampleClient_query() {
 		fmt.Println(response.Results)
 	}
 }
-```
+```

vendor/github.com/influxdata/influxdb1-client/v2/client.go

@@ -3,6 +3,7 @@ package client // import "github.com/influxdata/influxdb1-client/v2"
 
 import (
 	"bytes"
+	"compress/gzip"
 	"crypto/tls"
 	"encoding/json"
 	"errors"
@@ -20,6 +21,13 @@ import (
 	"github.com/influxdata/influxdb1-client/models"
 )
 
+type ContentEncoding string
+
+const (
+	DefaultEncoding ContentEncoding = ""
+	GzipEncoding    ContentEncoding = "gzip"
+)
+
 // HTTPConfig is the config data needed to create an HTTP Client.
 type HTTPConfig struct {
 	// Addr should be of the form "http://host:port"
@@ -48,6 +56,9 @@ type HTTPConfig struct {
 
 	// Proxy configures the Proxy function on the HTTP client.
 	Proxy func(req *http.Request) (*url.URL, error)
+
+	// WriteEncoding specifies the encoding of write request
+	WriteEncoding ContentEncoding
 }
 
 // BatchPointsConfig is the config data needed to create an instance of the BatchPoints struct.
@@ -102,6 +113,12 @@ func NewHTTPClient(conf HTTPConfig) (Client, error) {
 		return nil, errors.New(m)
 	}
 
+	switch conf.WriteEncoding {
+	case DefaultEncoding, GzipEncoding:
+	default:
+		return nil, fmt.Errorf("unsupported encoding %s", conf.WriteEncoding)
+	}
+
 	tr := &http.Transport{
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: conf.InsecureSkipVerify,
@@ -121,6 +138,7 @@ func NewHTTPClient(conf HTTPConfig) (Client, error) {
 			Transport: tr,
 		},
 		transport: tr,
+		encoding:  conf.WriteEncoding,
 	}, nil
 }
 
@@ -186,6 +204,7 @@ type client struct {
 	useragent  string
 	httpClient *http.Client
 	transport  *http.Transport
+	encoding   ContentEncoding
 }
 
 // BatchPoints is an interface into a batched grouping of points to write into
@@ -366,15 +385,29 @@ func NewPointFrom(pt models.Point) *Point {
 func (c *client) Write(bp BatchPoints) error {
 	var b bytes.Buffer
 
+	var w io.Writer
+	if c.encoding == GzipEncoding {
+		w = gzip.NewWriter(&b)
+	} else {
+		w = &b
+	}
+
 	for _, p := range bp.Points() {
 		if p == nil {
 			continue
 		}
-		if _, err := b.WriteString(p.pt.PrecisionString(bp.Precision())); err != nil {
+		if _, err := io.WriteString(w, p.pt.PrecisionString(bp.Precision())); err != nil {
 			return err
 		}
 
-		if err := b.WriteByte('\n'); err != nil {
+		if _, err := w.Write([]byte{'\n'}); err != nil {
+			return err
+		}
+	}
+
+	// gzip writer should be closed to flush data into underlying buffer
+	if c, ok := w.(io.Closer); ok {
+		if err := c.Close(); err != nil {
 			return err
 		}
 	}
@@ -386,6 +419,9 @@ func (c *client) Write(bp BatchPoints) error {
 	if err != nil {
 		return err
 	}
+	if c.encoding != DefaultEncoding {
+		req.Header.Set("Content-Encoding", string(c.encoding))
+	}
 	req.Header.Set("Content-Type", "")
 	req.Header.Set("User-Agent", c.useragent)
 	if c.username != "" {
@@ -429,6 +465,9 @@ type Query struct {
 	Parameters      map[string]interface{}
 }
 
+// Params is a type alias to the query parameters.
+type Params map[string]interface{}
+
 // NewQuery returns a query object.
 // The database and precision arguments can be empty strings if they are not needed for the query.
 func NewQuery(command, database, precision string) Query {
@@ -493,9 +532,10 @@ type Message struct {
 
 // Result represents a resultset returned from a single statement.
 type Result struct {
-	Series   []models.Row
+	StatementId int `json:"statement_id"`
-	Messages []*Message
+	Series      []models.Row
-	Err      string `json:"error,omitempty"`
+	Messages    []*Message
+	Err         string `json:"error,omitempty"`
 }
 
 // Query sends a command to the server and returns the Response.

vendor/github.com/influxdata/influxdb1-client/v2/params.go

@@ -0,0 +1,73 @@
+package client
+
+import (
+	"encoding/json"
+	"time"
+)
+
+type (
+	// Identifier is an identifier value.
+	Identifier string
+
+	// StringValue is a string literal.
+	StringValue string
+
+	// RegexValue is a regexp literal.
+	RegexValue string
+
+	// NumberValue is a number literal.
+	NumberValue float64
+
+	// IntegerValue is an integer literal.
+	IntegerValue int64
+
+	// BooleanValue is a boolean literal.
+	BooleanValue bool
+
+	// TimeValue is a time literal.
+	TimeValue time.Time
+
+	// DurationValue is a duration literal.
+	DurationValue time.Duration
+)
+
+func (v Identifier) MarshalJSON() ([]byte, error) {
+	m := map[string]string{"identifier": string(v)}
+	return json.Marshal(m)
+}
+
+func (v StringValue) MarshalJSON() ([]byte, error) {
+	m := map[string]string{"string": string(v)}
+	return json.Marshal(m)
+}
+
+func (v RegexValue) MarshalJSON() ([]byte, error) {
+	m := map[string]string{"regex": string(v)}
+	return json.Marshal(m)
+}
+
+func (v NumberValue) MarshalJSON() ([]byte, error) {
+	m := map[string]float64{"number": float64(v)}
+	return json.Marshal(m)
+}
+
+func (v IntegerValue) MarshalJSON() ([]byte, error) {
+	m := map[string]int64{"integer": int64(v)}
+	return json.Marshal(m)
+}
+
+func (v BooleanValue) MarshalJSON() ([]byte, error) {
+	m := map[string]bool{"boolean": bool(v)}
+	return json.Marshal(m)
+}
+
+func (v TimeValue) MarshalJSON() ([]byte, error) {
+	t := time.Time(v)
+	m := map[string]string{"string": t.Format(time.RFC3339Nano)}
+	return json.Marshal(m)
+}
+
+func (v DurationValue) MarshalJSON() ([]byte, error) {
+	m := map[string]int64{"duration": int64(v)}
+	return json.Marshal(m)
+}

vendor/gopkg.in/ini.v1/.travis.yml

@@ -1,18 +0,0 @@
-sudo: false
-language: go
-go:
-  - 1.6.x
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-  - 1.11.x
-  - 1.12.x
-
-script:
-  - go get golang.org/x/tools/cmd/cover
-  - go get github.com/smartystreets/goconvey
-  - mkdir -p $HOME/gopath/src/gopkg.in
-  - ln -s $HOME/gopath/src/github.com/go-ini/ini $HOME/gopath/src/gopkg.in/ini.v1
-  - cd $HOME/gopath/src/gopkg.in/ini.v1
-  - go test -v -cover -race

vendor/gopkg.in/ini.v1/Makefile

@@ -6,7 +6,7 @@ test:
 	go test -v -cover -race
 
 bench:
-	go test -v -cover -race -test.bench=. -test.benchmem
+	go test -v -cover -test.bench=. -test.benchmem
 
 vet:
 	go vet

vendor/gopkg.in/ini.v1/README.md

@@ -1,5 +1,9 @@
-INI [![Build Status](https://travis-ci.org/go-ini/ini.svg?branch=master)](https://travis-ci.org/go-ini/ini) [![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg)](https://sourcegraph.com/github.com/go-ini/ini)
+# INI
-===
+
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/go-ini/ini/Go?logo=github&style=for-the-badge)](https://github.com/go-ini/ini/actions?query=workflow%3AGo)
+[![codecov](https://img.shields.io/codecov/c/github/go-ini/ini/master?logo=codecov&style=for-the-badge)](https://codecov.io/gh/go-ini/ini)
+[![GoDoc](https://img.shields.io/badge/GoDoc-Reference-blue?style=for-the-badge&logo=go)](https://pkg.go.dev/github.com/go-ini/ini?tab=doc)
+[![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-ini/ini)
 
 ![](https://avatars0.githubusercontent.com/u/10216035?v=3&s=200)
 
@@ -7,7 +11,7 @@ Package ini provides INI file read and write functionality in Go.
 
 ## Features
 
-- Load from multiple data sources(`[]byte`, file and `io.ReadCloser`) with overwrites.
+- Load from multiple data sources(file, `[]byte`, `io.Reader` and `io.ReadCloser`) with overwrites.
 - Read with recursion values.
 - Read with parent-child sections.
 - Read with auto-increment key names.
@@ -22,24 +26,17 @@ Package ini provides INI file read and write functionality in Go.
 
 The minimum requirement of Go is **1.6**.
 
-To use a tagged revision:
-
 ```sh
 $ go get gopkg.in/ini.v1
 ```
 
-To use with latest changes:
-
-```sh
-$ go get github.com/go-ini/ini
-```
-
 Please add `-u` flag to update in the future.
 
 ## Getting Help
 
 - [Getting Started](https://ini.unknwon.io/docs/intro/getting_started)
 - [API Documentation](https://gowalker.org/gopkg.in/ini.v1)
+- 中国大陆镜像：https://ini.unknwon.cn
 
 ## License
 

vendor/gopkg.in/ini.v1/codecov.yml

@@ -0,0 +1,9 @@
+coverage:
+  range: "60...95"
+  status:
+    project:
+      default:
+        threshold: 1%
+
+comment:
+  layout: 'diff, files'

vendor/gopkg.in/ini.v1/data_source.go

@@ -0,0 +1,76 @@
+// Copyright 2019 Unknwon
+//
+// 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 ini
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+)
+
+var (
+	_ dataSource = (*sourceFile)(nil)
+	_ dataSource = (*sourceData)(nil)
+	_ dataSource = (*sourceReadCloser)(nil)
+)
+
+// dataSource is an interface that returns object which can be read and closed.
+type dataSource interface {
+	ReadCloser() (io.ReadCloser, error)
+}
+
+// sourceFile represents an object that contains content on the local file system.
+type sourceFile struct {
+	name string
+}
+
+func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
+	return os.Open(s.name)
+}
+
+// sourceData represents an object that contains content in memory.
+type sourceData struct {
+	data []byte
+}
+
+func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
+	return ioutil.NopCloser(bytes.NewReader(s.data)), nil
+}
+
+// sourceReadCloser represents an input stream with Close method.
+type sourceReadCloser struct {
+	reader io.ReadCloser
+}
+
+func (s *sourceReadCloser) ReadCloser() (io.ReadCloser, error) {
+	return s.reader, nil
+}
+
+func parseDataSource(source interface{}) (dataSource, error) {
+	switch s := source.(type) {
+	case string:
+		return sourceFile{s}, nil
+	case []byte:
+		return &sourceData{s}, nil
+	case io.ReadCloser:
+		return &sourceReadCloser{s}, nil
+	case io.Reader:
+		return &sourceReadCloser{ioutil.NopCloser(s)}, nil
+	default:
+		return nil, fmt.Errorf("error parsing data source: unknown type %q", s)
+	}
+}

vendor/gopkg.in/ini.v1/deprecated.go

@@ -0,0 +1,25 @@
+// Copyright 2019 Unknwon
+//
+// 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 ini
+
+const (
+	// Deprecated: Use "DefaultSection" instead.
+	DEFAULT_SECTION = DefaultSection
+)
+
+var (
+	// Deprecated: AllCapsUnderscore converts to format ALL_CAPS_UNDERSCORE.
+	AllCapsUnderscore = SnackCase
+)

vendor/gopkg.in/ini.v1/file.go

@@ -25,7 +25,7 @@ import (
 	"sync"
 )
 
-// File represents a combination of a or more INI file(s) in memory.
+// File represents a combination of one or more INI files in memory.
 type File struct {
 	options     LoadOptions
 	dataSources []dataSource
@@ -36,8 +36,12 @@ type File struct {
 
 	// To keep data in order.
 	sectionList []string
+	// To keep track of the index of a section with same name.
+	// This meta list is only used with non-unique section names are allowed.
+	sectionIndexes []int
+
 	// Actual data is stored here.
-	sections map[string]*Section
+	sections map[string][]*Section
 
 	NameMapper
 	ValueMapper
@@ -48,27 +52,40 @@ func newFile(dataSources []dataSource, opts LoadOptions) *File {
 	if len(opts.KeyValueDelimiters) == 0 {
 		opts.KeyValueDelimiters = "=:"
 	}
+	if len(opts.KeyValueDelimiterOnWrite) == 0 {
+		opts.KeyValueDelimiterOnWrite = "="
+	}
+	if len(opts.ChildSectionDelimiter) == 0 {
+		opts.ChildSectionDelimiter = "."
+	}
+
 	return &File{
 		BlockMode:   true,
 		dataSources: dataSources,
-		sections:    make(map[string]*Section),
+		sections:    make(map[string][]*Section),
-		sectionList: make([]string, 0, 10),
 		options:     opts,
 	}
 }
 
 // Empty returns an empty file object.
-func Empty() *File {
+func Empty(opts ...LoadOptions) *File {
-	// Ignore error here, we sure our data is good.
+	var opt LoadOptions
-	f, _ := Load([]byte(""))
+	if len(opts) > 0 {
+		opt = opts[0]
+	}
+
+	// Ignore error here, we are sure our data is good.
+	f, _ := LoadSources(opt, []byte(""))
 	return f
 }
 
 // NewSection creates a new section.
 func (f *File) NewSection(name string) (*Section, error) {
 	if len(name) == 0 {
-		return nil, errors.New("error creating new section: empty section name")
+		return nil, errors.New("empty section name")
-	} else if f.options.Insensitive && name != DefaultSection {
+	}
+
+	if (f.options.Insensitive || f.options.InsensitiveSections) && name != DefaultSection {
 		name = strings.ToLower(name)
 	}
 
@@ -77,13 +94,20 @@ func (f *File) NewSection(name string) (*Section, error) {
 		defer f.lock.Unlock()
 	}
 
-	if inSlice(name, f.sectionList) {
+	if !f.options.AllowNonUniqueSections && inSlice(name, f.sectionList) {
-		return f.sections[name], nil
+		return f.sections[name][0], nil
 	}
 
 	f.sectionList = append(f.sectionList, name)
-	f.sections[name] = newSection(f, name)
+
-	return f.sections[name], nil
+	// NOTE: Append to indexes must happen before appending to sections,
+	// otherwise index will have off-by-one problem.
+	f.sectionIndexes = append(f.sectionIndexes, len(f.sections[name]))
+
+	sec := newSection(f, name)
+	f.sections[name] = append(f.sections[name], sec)
+
+	return sec, nil
 }
 
 // NewRawSection creates a new section with an unparseable body.
@@ -110,10 +134,20 @@ func (f *File) NewSections(names ...string) (err error) {
 
 // GetSection returns section by given name.
 func (f *File) GetSection(name string) (*Section, error) {
+	secs, err := f.SectionsByName(name)
+	if err != nil {
+		return nil, err
+	}
+
+	return secs[0], err
+}
+
+// SectionsByName returns all sections with given name.
+func (f *File) SectionsByName(name string) ([]*Section, error) {
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(name)
 	}
 
@@ -122,11 +156,12 @@ func (f *File) GetSection(name string) (*Section, error) {
 		defer f.lock.RUnlock()
 	}
 
-	sec := f.sections[name]
+	secs := f.sections[name]
-	if sec == nil {
+	if len(secs) == 0 {
-		return nil, fmt.Errorf("section '%s' does not exist", name)
+		return nil, fmt.Errorf("section %q does not exist", name)
 	}
-	return sec, nil
+
+	return secs, nil
 }
 
 // Section assumes named section exists and returns a zero-value when not.
@@ -141,6 +176,19 @@ func (f *File) Section(name string) *Section {
 	return sec
 }
 
+// SectionWithIndex assumes named section exists and returns a new section when not.
+func (f *File) SectionWithIndex(name string, index int) *Section {
+	secs, err := f.SectionsByName(name)
+	if err != nil || len(secs) <= index {
+		// NOTE: It's OK here because the only possible error is empty section name,
+		// but if it's empty, this piece of code won't be executed.
+		newSec, _ := f.NewSection(name)
+		return newSec
+	}
+
+	return secs[index]
+}
+
 // Sections returns a list of Section stored in the current instance.
 func (f *File) Sections() []*Section {
 	if f.BlockMode {
@@ -150,7 +198,7 @@ func (f *File) Sections() []*Section {
 
 	sections := make([]*Section, len(f.sectionList))
 	for i, name := range f.sectionList {
-		sections[i] = f.sections[name]
+		sections[i] = f.sections[name][f.sectionIndexes[i]]
 	}
 	return sections
 }
@@ -167,24 +215,70 @@ func (f *File) SectionStrings() []string {
 	return list
 }
 
-// DeleteSection deletes a section.
+// DeleteSection deletes a section or all sections with given name.
 func (f *File) DeleteSection(name string) {
-	if f.BlockMode {
+	secs, err := f.SectionsByName(name)
-		f.lock.Lock()
+	if err != nil {
-		defer f.lock.Unlock()
+		return
+	}
+
+	for i := 0; i < len(secs); i++ {
+		// For non-unique sections, it is always needed to remove the first one so
+		// in the next iteration, the subsequent section continue having index 0.
+		// Ignoring the error as index 0 never returns an error.
+		_ = f.DeleteSectionWithIndex(name, 0)
+	}
+}
+
+// DeleteSectionWithIndex deletes a section with given name and index.
+func (f *File) DeleteSectionWithIndex(name string, index int) error {
+	if !f.options.AllowNonUniqueSections && index != 0 {
+		return fmt.Errorf("delete section with non-zero index is only allowed when non-unique sections is enabled")
 	}
 
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-
+	if f.options.Insensitive || f.options.InsensitiveSections {
-	for i, s := range f.sectionList {
+		name = strings.ToLower(name)
-		if s == name {
-			f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
-			delete(f.sections, name)
-			return
-		}
 	}
+
+	if f.BlockMode {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+	}
+
+	// Count occurrences of the sections
+	occurrences := 0
+
+	sectionListCopy := make([]string, len(f.sectionList))
+	copy(sectionListCopy, f.sectionList)
+
+	for i, s := range sectionListCopy {
+		if s != name {
+			continue
+		}
+
+		if occurrences == index {
+			if len(f.sections[name]) <= 1 {
+				delete(f.sections, name) // The last one in the map
+			} else {
+				f.sections[name] = append(f.sections[name][:index], f.sections[name][index+1:]...)
+			}
+
+			// Fix section lists
+			f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
+			f.sectionIndexes = append(f.sectionIndexes[:i], f.sectionIndexes[i+1:]...)
+
+		} else if occurrences > index {
+			// Fix the indices of all following sections with this name.
+			f.sectionIndexes[i-1]--
+		}
+
+		occurrences++
+	}
+
+	return nil
 }
 
 func (f *File) reload(s dataSource) error {
@@ -203,11 +297,14 @@ func (f *File) Reload() (err error) {
 		if err = f.reload(s); err != nil {
 			// In loose mode, we create an empty default section for nonexistent files.
 			if os.IsNotExist(err) && f.options.Loose {
-				f.parse(bytes.NewBuffer(nil))
+				_ = f.parse(bytes.NewBuffer(nil))
 				continue
 			}
 			return err
 		}
+		if f.options.ShortCircuit {
+			return nil
+		}
 	}
 	return nil
 }
@@ -230,16 +327,16 @@ func (f *File) Append(source interface{}, others ...interface{}) error {
 }
 
 func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
-	equalSign := DefaultFormatLeft + "=" + DefaultFormatRight
+	equalSign := DefaultFormatLeft + f.options.KeyValueDelimiterOnWrite + DefaultFormatRight
 
 	if PrettyFormat || PrettyEqual {
-		equalSign = " = "
+		equalSign = fmt.Sprintf(" %s ", f.options.KeyValueDelimiterOnWrite)
 	}
 
 	// Use buffer to make sure target is safe until finish encoding.
 	buf := bytes.NewBuffer(nil)
 	for i, sname := range f.sectionList {
-		sec := f.Section(sname)
+		sec := f.SectionWithIndex(sname, f.sectionIndexes[i])
 		if len(sec.Comment) > 0 {
 			// Support multiline comments
 			lines := strings.Split(sec.Comment, LineBreak)
@@ -256,7 +353,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 			}
 		}
 
-		if i > 0 || DefaultHeader {
+		if i > 0 || DefaultHeader || (i == 0 && strings.ToUpper(sec.name) != DefaultSection) {
 			if _, err := buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
 				return nil, err
 			}
@@ -282,7 +379,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 		}
 
 		// Count and generate alignment length and buffer spaces using the
-		// longest key. Keys may be modifed if they contain certain characters so
+		// longest key. Keys may be modified if they contain certain characters so
 		// we need to take that into account in our calculation.
 		alignLength := 0
 		if PrettyFormat {
@@ -302,7 +399,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 		}
 		alignSpaces := bytes.Repeat([]byte(" "), alignLength)
 
-	KEY_LIST:
+	KeyList:
 		for _, kname := range sec.keyList {
 			key := sec.Key(kname)
 			if len(key.Comment) > 0 {
@@ -347,7 +444,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 					if kname != sec.keyList[len(sec.keyList)-1] {
 						buf.WriteString(LineBreak)
 					}
-					continue KEY_LIST
+					continue KeyList
 				}
 
 				// Write out alignment spaces before "=" sign
@@ -360,6 +457,8 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 					val = `"""` + val + `"""`
 				} else if !f.options.IgnoreInlineComment && strings.ContainsAny(val, "#;") {
 					val = "`" + val + "`"
+				} else if len(strings.TrimSpace(val)) != len(val) {
+					val = `"` + val + `"`
 				}
 				if _, err := buf.WriteString(equalSign + val + LineBreak); err != nil {
 					return nil, err
@@ -403,7 +502,7 @@ func (f *File) WriteTo(w io.Writer) (int64, error) {
 // SaveToIndent writes content to file system with given value indention.
 func (f *File) SaveToIndent(filename, indent string) error {
 	// Note: Because we are truncating with os.Create,
-	// 	so it's safer to save to a temporary file location and rename afte done.
+	// 	so it's safer to save to a temporary file location and rename after done.
 	buf, err := f.writeToBuffer(indent)
 	if err != nil {
 		return err

vendor/gopkg.in/ini.v1/helper.go

@@ -0,0 +1,24 @@
+// Copyright 2019 Unknwon
+//
+// 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 ini
+
+func inSlice(str string, s []string) bool {
+	for _, v := range s {
+		if str == v {
+			return true
+		}
+	}
+	return false
+}

vendor/gopkg.in/ini.v1/ini.go

@@ -18,131 +18,71 @@
 package ini
 
 import (
-	"bytes"
-	"fmt"
-	"io"
-	"io/ioutil"
 	"os"
 	"regexp"
 	"runtime"
+	"strings"
 )
 
 const (
 	// DefaultSection is the name of default section. You can use this constant or the string literal.
 	// In most of cases, an empty string is all you need to access the section.
 	DefaultSection = "DEFAULT"
-	// Deprecated: Use "DefaultSection" instead.
-	DEFAULT_SECTION = DefaultSection
 
 	// Maximum allowed depth when recursively substituing variable names.
 	depthValues = 99
-	version     = "1.44.0"
 )
 
-// Version returns current package version literal.
-func Version() string {
-	return version
-}
-
 var (
 	// LineBreak is the delimiter to determine or compose a new line.
 	// This variable will be changed to "\r\n" automatically on Windows at package init time.
 	LineBreak = "\n"
 
-	// DefaultFormatLeft places custom spaces on the left when PrettyFormat and PrettyEqual are both disabled.
-	DefaultFormatLeft = ""
-	// DefaultFormatRight places custom spaces on the right when PrettyFormat and PrettyEqual are both disabled.
-	DefaultFormatRight = ""
-
 	// Variable regexp pattern: %(variable)s
-	varPattern = regexp.MustCompile(`%\(([^\)]+)\)s`)
+	varPattern = regexp.MustCompile(`%\(([^)]+)\)s`)
-
-	// PrettyFormat indicates whether to align "=" sign with spaces to produce pretty output
-	// or reduce all possible spaces for compact format.
-	PrettyFormat = true
-
-	// PrettyEqual places spaces around "=" sign even when PrettyFormat is false.
-	PrettyEqual = false
 
 	// DefaultHeader explicitly writes default section header.
 	DefaultHeader = false
 
 	// PrettySection indicates whether to put a line between sections.
 	PrettySection = true
+	// PrettyFormat indicates whether to align "=" sign with spaces to produce pretty output
+	// or reduce all possible spaces for compact format.
+	PrettyFormat = true
+	// PrettyEqual places spaces around "=" sign even when PrettyFormat is false.
+	PrettyEqual = false
+	// DefaultFormatLeft places custom spaces on the left when PrettyFormat and PrettyEqual are both disabled.
+	DefaultFormatLeft = ""
+	// DefaultFormatRight places custom spaces on the right when PrettyFormat and PrettyEqual are both disabled.
+	DefaultFormatRight = ""
 )
 
+var inTest = len(os.Args) > 0 && strings.HasSuffix(strings.TrimSuffix(os.Args[0], ".exe"), ".test")
+
 func init() {
-	if runtime.GOOS == "windows" {
+	if runtime.GOOS == "windows" && !inTest {
 		LineBreak = "\r\n"
 	}
 }
 
-func inSlice(str string, s []string) bool {
-	for _, v := range s {
-		if str == v {
-			return true
-		}
-	}
-	return false
-}
-
-// dataSource is an interface that returns object which can be read and closed.
-type dataSource interface {
-	ReadCloser() (io.ReadCloser, error)
-}
-
-// sourceFile represents an object that contains content on the local file system.
-type sourceFile struct {
-	name string
-}
-
-func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
-	return os.Open(s.name)
-}
-
-// sourceData represents an object that contains content in memory.
-type sourceData struct {
-	data []byte
-}
-
-func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
-	return ioutil.NopCloser(bytes.NewReader(s.data)), nil
-}
-
-// sourceReadCloser represents an input stream with Close method.
-type sourceReadCloser struct {
-	reader io.ReadCloser
-}
-
-func (s *sourceReadCloser) ReadCloser() (io.ReadCloser, error) {
-	return s.reader, nil
-}
-
-func parseDataSource(source interface{}) (dataSource, error) {
-	switch s := source.(type) {
-	case string:
-		return sourceFile{s}, nil
-	case []byte:
-		return &sourceData{s}, nil
-	case io.ReadCloser:
-		return &sourceReadCloser{s}, nil
-	default:
-		return nil, fmt.Errorf("error parsing data source: unknown type '%s'", s)
-	}
-}
-
 // LoadOptions contains all customized options used for load data source(s).
 type LoadOptions struct {
 	// Loose indicates whether the parser should ignore nonexistent files or return error.
 	Loose bool
 	// Insensitive indicates whether the parser forces all section and key names to lowercase.
 	Insensitive bool
+	// InsensitiveSections indicates whether the parser forces all section to lowercase.
+	InsensitiveSections bool
+	// InsensitiveKeys indicates whether the parser forces all key names to lowercase.
+	InsensitiveKeys bool
 	// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
 	IgnoreContinuation bool
 	// IgnoreInlineComment indicates whether to ignore comments at the end of value and treat it as part of value.
 	IgnoreInlineComment bool
 	// SkipUnrecognizableLines indicates whether to skip unrecognizable lines that do not conform to key/value pairs.
 	SkipUnrecognizableLines bool
+	// ShortCircuit indicates whether to ignore other configuration sources after loaded the first available configuration source.
+	ShortCircuit bool
 	// AllowBooleanKeys indicates whether to allow boolean type keys or treat as value is missing.
 	// This type of keys are mostly used in my.cnf.
 	AllowBooleanKeys bool
@@ -173,10 +113,23 @@ type LoadOptions struct {
 	UnparseableSections []string
 	// KeyValueDelimiters is the sequence of delimiters that are used to separate key and value. By default, it is "=:".
 	KeyValueDelimiters string
+	// KeyValueDelimiterOnWrite is the delimiter that are used to separate key and value output. By default, it is "=".
+	KeyValueDelimiterOnWrite string
+	// ChildSectionDelimiter is the delimiter that is used to separate child sections. By default, it is ".".
+	ChildSectionDelimiter string
 	// PreserveSurroundedQuote indicates whether to preserve surrounded quote (single and double quotes).
 	PreserveSurroundedQuote bool
+	// DebugFunc is called to collect debug information (currently only useful to debug parsing Python-style multiline values).
+	DebugFunc DebugFunc
+	// ReaderBufferSize is the buffer size of the reader in bytes.
+	ReaderBufferSize int
+	// AllowNonUniqueSections indicates whether to allow sections with the same name multiple times.
+	AllowNonUniqueSections bool
 }
 
+// DebugFunc is the type of function called to log parse events.
+type DebugFunc func(message string)
+
 // LoadSources allows caller to apply customized options for loading from data source(s).
 func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {
 	sources := make([]dataSource, len(others)+1)

vendor/gopkg.in/ini.v1/key.go

@@ -54,6 +54,16 @@ func (k *Key) addShadow(val string) error {
 		return errors.New("cannot add shadow to auto-increment or boolean key")
 	}
 
+	// Deduplicate shadows based on their values.
+	if k.value == val {
+		return nil
+	}
+	for i := range k.shadows {
+		if k.shadows[i].value == val {
+			return nil
+		}
+	}
+
 	shadow := newKey(k.s, k.name, val)
 	shadow.isShadow = true
 	k.shadows = append(k.shadows, shadow)
@@ -137,10 +147,15 @@ func (k *Key) transformValue(val string) string {
 		noption := vr[2 : len(vr)-2]
 
 		// Search in the same section.
+		// If not found or found the key itself, then search again in default section.
 		nk, err := k.s.GetKey(noption)
 		if err != nil || k == nk {
-			// Search again in default section.
 			nk, _ = k.s.f.Section("").GetKey(noption)
+			if nk == nil {
+				// Stop when no results found in the default section,
+				// and returns the value as-is.
+				break
+			}
 		}
 
 		// Substitute by new value and take off leading '%(' and trailing ')s'.
@@ -554,6 +569,12 @@ func (k *Key) Uint64s(delim string) []uint64 {
 	return vals
 }
 
+// Bools returns list of bool divided by given delimiter. Any invalid input will be treated as zero value.
+func (k *Key) Bools(delim string) []bool {
+	vals, _ := k.parseBools(k.Strings(delim), true, false)
+	return vals
+}
+
 // TimesFormat parses with given format and returns list of time.Time divided by given delimiter.
 // Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
 func (k *Key) TimesFormat(format, delim string) []time.Time {
@@ -602,6 +623,13 @@ func (k *Key) ValidUint64s(delim string) []uint64 {
 	return vals
 }
 
+// ValidBools returns list of bool divided by given delimiter. If some value is not 64-bit unsigned
+// integer, then it will not be included to result list.
+func (k *Key) ValidBools(delim string) []bool {
+	vals, _ := k.parseBools(k.Strings(delim), false, false)
+	return vals
+}
+
 // ValidTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
 func (k *Key) ValidTimesFormat(format, delim string) []time.Time {
 	vals, _ := k.parseTimesFormat(format, k.Strings(delim), false, false)
@@ -638,6 +666,11 @@ func (k *Key) StrictUint64s(delim string) ([]uint64, error) {
 	return k.parseUint64s(k.Strings(delim), false, true)
 }
 
+// StrictBools returns list of bool divided by given delimiter or error on first invalid input.
+func (k *Key) StrictBools(delim string) ([]bool, error) {
+	return k.parseBools(k.Strings(delim), false, true)
+}
+
 // StrictTimesFormat parses with given format and returns list of time.Time divided by given delimiter
 // or error on first invalid input.
 func (k *Key) StrictTimesFormat(format, delim string) ([]time.Time, error) {
@@ -650,87 +683,130 @@ func (k *Key) StrictTimes(delim string) ([]time.Time, error) {
 	return k.StrictTimesFormat(time.RFC3339, delim)
 }
 
+// parseBools transforms strings to bools.
+func (k *Key) parseBools(strs []string, addInvalid, returnOnInvalid bool) ([]bool, error) {
+	vals := make([]bool, 0, len(strs))
+	parser := func(str string) (interface{}, error) {
+		val, err := parseBool(str)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(bool))
+		}
+	}
+	return vals, err
+}
+
 // parseFloat64s transforms strings to float64s.
 func (k *Key) parseFloat64s(strs []string, addInvalid, returnOnInvalid bool) ([]float64, error) {
 	vals := make([]float64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseFloat(str, 64)
-		if err != nil && returnOnInvalid {
+		return val, err
-			return nil, err
+	}
-		}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
-		if err == nil || addInvalid {
+	if err == nil {
-			vals = append(vals, val)
+		for _, val := range rawVals {
+			vals = append(vals, val.(float64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseInts transforms strings to ints.
 func (k *Key) parseInts(strs []string, addInvalid, returnOnInvalid bool) ([]int, error) {
 	vals := make([]int, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
-		valInt64, err := strconv.ParseInt(str, 0, 64)
+		val, err := strconv.ParseInt(str, 0, 64)
-		val := int(valInt64)
+		return val, err
-		if err != nil && returnOnInvalid {
+	}
-			return nil, err
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
-		}
+	if err == nil {
-		if err == nil || addInvalid {
+		for _, val := range rawVals {
-			vals = append(vals, val)
+			vals = append(vals, int(val.(int64)))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseInt64s transforms strings to int64s.
 func (k *Key) parseInt64s(strs []string, addInvalid, returnOnInvalid bool) ([]int64, error) {
 	vals := make([]int64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseInt(str, 0, 64)
-		if err != nil && returnOnInvalid {
+		return val, err
-			return nil, err
+	}
-		}
+
-		if err == nil || addInvalid {
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
-			vals = append(vals, val)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(int64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseUints transforms strings to uints.
 func (k *Key) parseUints(strs []string, addInvalid, returnOnInvalid bool) ([]uint, error) {
 	vals := make([]uint, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
-		val, err := strconv.ParseUint(str, 0, 0)
+		val, err := strconv.ParseUint(str, 0, 64)
-		if err != nil && returnOnInvalid {
+		return val, err
-			return nil, err
+	}
-		}
+
-		if err == nil || addInvalid {
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
-			vals = append(vals, uint(val))
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, uint(val.(uint64)))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseUint64s transforms strings to uint64s.
 func (k *Key) parseUint64s(strs []string, addInvalid, returnOnInvalid bool) ([]uint64, error) {
 	vals := make([]uint64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseUint(str, 0, 64)
-		if err != nil && returnOnInvalid {
+		return val, err
-			return nil, err
+	}
-		}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
-		if err == nil || addInvalid {
+	if err == nil {
-			vals = append(vals, val)
+		for _, val := range rawVals {
+			vals = append(vals, val.(uint64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
+
+type Parser func(str string) (interface{}, error)
+
+
 // parseTimesFormat transforms strings to times in given format.
 func (k *Key) parseTimesFormat(format string, strs []string, addInvalid, returnOnInvalid bool) ([]time.Time, error) {
 	vals := make([]time.Time, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := time.Parse(format, str)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(time.Time))
+		}
+	}
+	return vals, err
+}
+
+
+// doParse transforms strings to different types
+func (k *Key) doParse(strs []string, addInvalid, returnOnInvalid bool, parser Parser) ([]interface{}, error) {
+	vals := make([]interface{}, 0, len(strs))
+	for _, str := range strs {
+		val, err := parser(str)
 		if err != nil && returnOnInvalid {
 			return nil, err
 		}

vendor/gopkg.in/ini.v1/parser.go

@@ -25,7 +25,9 @@ import (
 	"unicode"
 )
 
-var pythonMultiline = regexp.MustCompile("^(\\s+)([^\n]+)")
+const minReaderBufferSize = 4096
+
+var pythonMultiline = regexp.MustCompile(`^([\t\f ]+)(.*)`)
 
 type parserOptions struct {
 	IgnoreContinuation          bool
@@ -35,6 +37,8 @@ type parserOptions struct {
 	UnescapeValueDoubleQuotes   bool
 	UnescapeValueCommentSymbols bool
 	PreserveSurroundedQuote     bool
+	DebugFunc                   DebugFunc
+	ReaderBufferSize            int
 }
 
 type parser struct {
@@ -46,9 +50,20 @@ type parser struct {
 	comment *bytes.Buffer
 }
 
+func (p *parser) debug(format string, args ...interface{}) {
+	if p.options.DebugFunc != nil {
+		p.options.DebugFunc(fmt.Sprintf(format, args...))
+	}
+}
+
 func newParser(r io.Reader, opts parserOptions) *parser {
+	size := opts.ReaderBufferSize
+	if size < minReaderBufferSize {
+		size = minReaderBufferSize
+	}
+
 	return &parser{
-		buf:     bufio.NewReader(r),
+		buf:     bufio.NewReaderSize(r, size),
 		options: opts,
 		count:   1,
 		comment: &bytes.Buffer{},
@@ -69,7 +84,10 @@ func (p *parser) BOM() error {
 	case mask[0] == 254 && mask[1] == 255:
 		fallthrough
 	case mask[0] == 255 && mask[1] == 254:
-		p.buf.Read(mask)
+		_, err = p.buf.Read(mask)
+		if err != nil {
+			return err
+		}
 	case mask[0] == 239 && mask[1] == 187:
 		mask, err := p.buf.Peek(3)
 		if err != nil && err != io.EOF {
@@ -78,7 +96,10 @@ func (p *parser) BOM() error {
 			return nil
 		}
 		if mask[2] == 191 {
-			p.buf.Read(mask)
+			_, err = p.buf.Read(mask)
+			if err != nil {
+				return err
+			}
 		}
 	}
 	return nil
@@ -120,7 +141,7 @@ func readKeyName(delimiters string, in []byte) (string, int, error) {
 	}
 
 	// Get out key name
-	endIdx := -1
+	var endIdx int
 	if len(keyQuote) > 0 {
 		startIdx := len(keyQuote)
 		// FIXME: fail case -> """"""name"""=value
@@ -166,7 +187,7 @@ func (p *parser) readMultilines(line, val, valQuote string) (string, error) {
 		}
 		val += next
 		if p.isEOF {
-			return "", fmt.Errorf("missing closing key quote from '%s' to '%s'", line, next)
+			return "", fmt.Errorf("missing closing key quote from %q to %q", line, next)
 		}
 	}
 	return val, nil
@@ -285,33 +306,55 @@ func (p *parser) readPythonMultilines(line string, bufferSize int) (string, erro
 	parserBufferPeekResult, _ := p.buf.Peek(bufferSize)
 	peekBuffer := bytes.NewBuffer(parserBufferPeekResult)
 
+	indentSize := 0
 	for {
 		peekData, peekErr := peekBuffer.ReadBytes('\n')
 		if peekErr != nil {
 			if peekErr == io.EOF {
+				p.debug("readPythonMultilines: io.EOF, peekData: %q, line: %q", string(peekData), line)
 				return line, nil
 			}
+
+			p.debug("readPythonMultilines: failed to peek with error: %v", peekErr)
 			return "", peekErr
 		}
 
+		p.debug("readPythonMultilines: parsing %q", string(peekData))
+
 		peekMatches := pythonMultiline.FindStringSubmatch(string(peekData))
+		p.debug("readPythonMultilines: matched %d parts", len(peekMatches))
+		for n, v := range peekMatches {
+			p.debug("   %d: %q", n, v)
+		}
+
+		// Return if not a Python multiline value.
 		if len(peekMatches) != 3 {
+			p.debug("readPythonMultilines: end of value, got: %q", line)
 			return line, nil
 		}
 
-		// NOTE: Return if not a python-ini multi-line value.
+		// Determine indent size and line prefix.
-		currentIdentSize := len(peekMatches[1])
+		currentIndentSize := len(peekMatches[1])
-		if currentIdentSize <= 0 {
+		if indentSize < 1 {
+			indentSize = currentIndentSize
+			p.debug("readPythonMultilines: indent size is %d", indentSize)
+		}
+
+		// Make sure each line is indented at least as far as first line.
+		if currentIndentSize < indentSize {
+			p.debug("readPythonMultilines: end of value, current indent: %d, expected indent: %d, line: %q", currentIndentSize, indentSize, line)
 			return line, nil
 		}
 
-		// NOTE: Just advance the parser reader (buffer) in-sync with the peek buffer.
+		// Advance the parser reader (buffer) in-sync with the peek buffer.
-		_, err := p.readUntil('\n')
+		_, err := p.buf.Discard(len(peekData))
 		if err != nil {
+			p.debug("readPythonMultilines: failed to skip to the end, returning error")
 			return "", err
 		}
 
-		line += fmt.Sprintf("\n%s", peekMatches[2])
+		// Handle indented empty line.
+		line += "\n" + peekMatches[1][indentSize:] + peekMatches[2]
 	}
 }
 
@@ -325,6 +368,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 		UnescapeValueDoubleQuotes:   f.options.UnescapeValueDoubleQuotes,
 		UnescapeValueCommentSymbols: f.options.UnescapeValueCommentSymbols,
 		PreserveSurroundedQuote:     f.options.PreserveSurroundedQuote,
+		DebugFunc:                   f.options.DebugFunc,
+		ReaderBufferSize:            f.options.ReaderBufferSize,
 	})
 	if err = p.BOM(); err != nil {
 		return fmt.Errorf("BOM: %v", err)
@@ -332,7 +377,7 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 	// Ignore error because default section name is never empty string.
 	name := DefaultSection
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(DefaultSection)
 	}
 	section, _ := f.NewSection(name)
@@ -348,8 +393,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 	// the size of the parser buffer is found.
 	// TODO(unknwon): When Golang 1.10 is the lowest version supported, replace with `parserBufferSize := p.buf.Size()`.
 	parserBufferSize := 0
-	// NOTE: Peek 1kb at a time.
+	// NOTE: Peek 4kb at a time.
-	currentPeekSize := 1024
+	currentPeekSize := minReaderBufferSize
 
 	if f.options.AllowPythonMultilineValues {
 		for {
@@ -374,7 +419,10 @@ func (f *File) parse(reader io.Reader) (err error) {
 		if f.options.AllowNestedValues &&
 			isLastValueEmpty && len(line) > 0 {
 			if line[0] == ' ' || line[0] == '\t' {
-				lastRegularKey.addNestedValue(string(bytes.TrimSpace(line)))
+				err = lastRegularKey.addNestedValue(string(bytes.TrimSpace(line)))
+				if err != nil {
+					return err
+				}
 				continue
 			}
 		}
@@ -414,14 +462,14 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 			section.Comment = strings.TrimSpace(p.comment.String())
 
-			// Reset aotu-counter and comments
+			// Reset auto-counter and comments
 			p.comment.Reset()
 			p.count = 1
 
 			inUnparseableSection = false
 			for i := range f.options.UnparseableSections {
 				if f.options.UnparseableSections[i] == name ||
-					(f.options.Insensitive && strings.ToLower(f.options.UnparseableSections[i]) == strings.ToLower(name)) {
+					((f.options.Insensitive || f.options.InsensitiveSections) && strings.EqualFold(f.options.UnparseableSections[i], name)) {
 					inUnparseableSection = true
 					continue
 				}

vendor/gopkg.in/ini.v1/section.go

@@ -66,7 +66,7 @@ func (s *Section) SetBody(body string) {
 func (s *Section) NewKey(name, val string) (*Key, error) {
 	if len(name) == 0 {
 		return nil, errors.New("error creating new key: empty key name")
-	} else if s.f.options.Insensitive {
+	} else if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 
@@ -109,7 +109,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 	if s.f.BlockMode {
 		s.f.lock.RLock()
 	}
-	if s.f.options.Insensitive {
+	if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 	key := s.keys[name]
@@ -121,7 +121,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 		// Check if it is a child-section.
 		sname := s.name
 		for {
-			if i := strings.LastIndex(sname, "."); i > -1 {
+			if i := strings.LastIndex(sname, s.f.options.ChildSectionDelimiter); i > -1 {
 				sname = sname[:i]
 				sec, err := s.f.GetSection(sname)
 				if err != nil {
@@ -131,7 +131,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 			}
 			break
 		}
-		return nil, fmt.Errorf("error when getting key of section '%s': key '%s' not exists", s.name, name)
+		return nil, fmt.Errorf("error when getting key of section %q: key %q not exists", s.name, name)
 	}
 	return key, nil
 }
@@ -188,7 +188,7 @@ func (s *Section) ParentKeys() []*Key {
 	var parentKeys []*Key
 	sname := s.name
 	for {
-		if i := strings.LastIndex(sname, "."); i > -1 {
+		if i := strings.LastIndex(sname, s.f.options.ChildSectionDelimiter); i > -1 {
 			sname = sname[:i]
 			sec, err := s.f.GetSection(sname)
 			if err != nil {
@@ -245,11 +245,11 @@ func (s *Section) DeleteKey(name string) {
 // For example, "[parent.child1]" and "[parent.child12]" are child sections
 // of section "[parent]".
 func (s *Section) ChildSections() []*Section {
-	prefix := s.name + "."
+	prefix := s.name + s.f.options.ChildSectionDelimiter
 	children := make([]*Section, 0, 3)
 	for _, name := range s.f.sectionList {
 		if strings.HasPrefix(name, prefix) {
-			children = append(children, s.f.sections[name])
+			children = append(children, s.f.sections[name]...)
 		}
 	}
 	return children

vendor/gopkg.in/ini.v1/struct.go

@@ -29,8 +29,8 @@ type NameMapper func(string) string
 
 // Built-in name getters.
 var (
-	// AllCapsUnderscore converts to format ALL_CAPS_UNDERSCORE.
+	// SnackCase converts to format SNACK_CASE.
-	AllCapsUnderscore NameMapper = func(raw string) string {
+	SnackCase NameMapper = func(raw string) string {
 		newstr := make([]rune, 0, len(raw))
 		for i, chr := range raw {
 			if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
@@ -50,7 +50,7 @@ var (
 				if i > 0 {
 					newstr = append(newstr, '_')
 				}
-				chr -= ('A' - 'a')
+				chr -= 'A' - 'a'
 			}
 			newstr = append(newstr, chr)
 		}
@@ -108,6 +108,8 @@ func setSliceWithProperType(key *Key, field reflect.Value, delim string, allowSh
 		vals, err = key.parseUint64s(strs, true, false)
 	case reflect.Float64:
 		vals, err = key.parseFloat64s(strs, true, false)
+	case reflect.Bool:
+		vals, err = key.parseBools(strs, true, false)
 	case reflectTime:
 		vals, err = key.parseTimesFormat(time.RFC3339, strs, true, false)
 	default:
@@ -132,6 +134,8 @@ func setSliceWithProperType(key *Key, field reflect.Value, delim string, allowSh
 			slice.Index(i).Set(reflect.ValueOf(vals.([]uint64)[i]))
 		case reflect.Float64:
 			slice.Index(i).Set(reflect.ValueOf(vals.([]float64)[i]))
+		case reflect.Bool:
+			slice.Index(i).Set(reflect.ValueOf(vals.([]bool)[i]))
 		case reflectTime:
 			slice.Index(i).Set(reflect.ValueOf(vals.([]time.Time)[i]))
 		}
@@ -151,23 +155,45 @@ func wrapStrictError(err error, isStrict bool) error {
 // but it does not return error for failing parsing,
 // because we want to use default value that is already assigned to struct.
 func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string, allowShadow, isStrict bool) error {
-	switch t.Kind() {
+	vt := t
+	isPtr := t.Kind() == reflect.Ptr
+	if isPtr {
+		vt = t.Elem()
+	}
+	switch vt.Kind() {
 	case reflect.String:
-		if len(key.String()) == 0 {
+		stringVal := key.String()
-			return nil
+		if isPtr {
+			field.Set(reflect.ValueOf(&stringVal))
+		} else if len(stringVal) > 0 {
+			field.SetString(key.String())
 		}
-		field.SetString(key.String())
 	case reflect.Bool:
 		boolVal, err := key.Bool()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetBool(boolVal)
+		if isPtr {
+			field.Set(reflect.ValueOf(&boolVal))
+		} else {
+			field.SetBool(boolVal)
+		}
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		durationVal, err := key.Duration()
+		// ParseDuration will not return err for `0`, so check the type name
-		// Skip zero value
+		if vt.Name() == "Duration" {
-		if err == nil && int64(durationVal) > 0 {
+			durationVal, err := key.Duration()
-			field.Set(reflect.ValueOf(durationVal))
+			if err != nil {
+				if intVal, err := key.Int64(); err == nil {
+					field.SetInt(intVal)
+					return nil
+				}
+				return wrapStrictError(err, isStrict)
+			}
+			if isPtr {
+				field.Set(reflect.ValueOf(&durationVal))
+			} else if int64(durationVal) > 0 {
+				field.Set(reflect.ValueOf(durationVal))
+			}
 			return nil
 		}
 
@@ -175,13 +201,23 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetInt(intVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetInt(intVal)
+			field.Set(pv)
+		} else {
+			field.SetInt(intVal)
+		}
 	//	byte is an alias for uint8, so supporting uint8 breaks support for byte
 	case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
 		durationVal, err := key.Duration()
 		// Skip zero value
 		if err == nil && uint64(durationVal) > 0 {
-			field.Set(reflect.ValueOf(durationVal))
+			if isPtr {
+				field.Set(reflect.ValueOf(&durationVal))
+			} else {
+				field.Set(reflect.ValueOf(durationVal))
+			}
 			return nil
 		}
 
@@ -189,41 +225,59 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetUint(uintVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetUint(uintVal)
+			field.Set(pv)
+		} else {
+			field.SetUint(uintVal)
+		}
 
 	case reflect.Float32, reflect.Float64:
 		floatVal, err := key.Float64()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetFloat(floatVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetFloat(floatVal)
+			field.Set(pv)
+		} else {
+			field.SetFloat(floatVal)
+		}
 	case reflectTime:
 		timeVal, err := key.Time()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.Set(reflect.ValueOf(timeVal))
+		if isPtr {
+			field.Set(reflect.ValueOf(&timeVal))
+		} else {
+			field.Set(reflect.ValueOf(timeVal))
+		}
 	case reflect.Slice:
 		return setSliceWithProperType(key, field, delim, allowShadow, isStrict)
 	default:
-		return fmt.Errorf("unsupported type '%s'", t)
+		return fmt.Errorf("unsupported type %q", t)
 	}
 	return nil
 }
 
-func parseTagOptions(tag string) (rawName string, omitEmpty bool, allowShadow bool) {
+func parseTagOptions(tag string) (rawName string, omitEmpty bool, allowShadow bool, allowNonUnique bool, extends bool) {
-	opts := strings.SplitN(tag, ",", 3)
+	opts := strings.SplitN(tag, ",", 5)
 	rawName = opts[0]
-	if len(opts) > 1 {
+	for _, opt := range opts[1:] {
-		omitEmpty = opts[1] == "omitempty"
+		omitEmpty = omitEmpty || (opt == "omitempty")
+		allowShadow = allowShadow || (opt == "allowshadow")
+		allowNonUnique = allowNonUnique || (opt == "nonunique")
+		extends = extends || (opt == "extends")
 	}
-	if len(opts) > 2 {
+	return rawName, omitEmpty, allowShadow, allowNonUnique, extends
-		allowShadow = opts[2] == "allowshadow"
-	}
-	return rawName, omitEmpty, allowShadow
 }
 
-func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
+// mapToField maps the given value to the matching field of the given section.
+// The sectionIndex is the index (if non unique sections are enabled) to which the value should be added.
+func (s *Section) mapToField(val reflect.Value, isStrict bool, sectionIndex int, sectionName string) error {
 	if val.Kind() == reflect.Ptr {
 		val = val.Elem()
 	}
@@ -238,7 +292,7 @@ func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
 			continue
 		}
 
-		rawName, _, allowShadow := parseTagOptions(tag)
+		rawName, _, allowShadow, allowNonUnique, extends := parseTagOptions(tag)
 		fieldName := s.parseFieldName(tpField.Name, rawName)
 		if len(fieldName) == 0 || !field.CanSet() {
 			continue
@@ -246,63 +300,116 @@ func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
 
 		isStruct := tpField.Type.Kind() == reflect.Struct
 		isStructPtr := tpField.Type.Kind() == reflect.Ptr && tpField.Type.Elem().Kind() == reflect.Struct
-		isAnonymous := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
+		isAnonymousPtr := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
-		if isAnonymous {
+		if isAnonymousPtr {
 			field.Set(reflect.New(tpField.Type.Elem()))
 		}
 
-		if isAnonymous || isStruct || isStructPtr {
+		if extends && (isAnonymousPtr || (isStruct && tpField.Anonymous)) {
-			if sec, err := s.f.GetSection(fieldName); err == nil {
+			if isStructPtr && field.IsNil() {
-				// Only set the field to non-nil struct value if we have
+				field.Set(reflect.New(tpField.Type.Elem()))
-				// a section for it. Otherwise, we end up with a non-nil
+			}
-				// struct ptr even though there is no data.
+			fieldSection := s
+			if rawName != "" {
+				sectionName = s.name + s.f.options.ChildSectionDelimiter + rawName
+				if secs, err := s.f.SectionsByName(sectionName); err == nil && sectionIndex < len(secs) {
+					fieldSection = secs[sectionIndex]
+				}
+			}
+			if err := fieldSection.mapToField(field, isStrict, sectionIndex, sectionName); err != nil {
+				return fmt.Errorf("map to field %q: %v", fieldName, err)
+			}
+		} else if isAnonymousPtr || isStruct || isStructPtr {
+			if secs, err := s.f.SectionsByName(fieldName); err == nil {
+				if len(secs) <= sectionIndex {
+					return fmt.Errorf("there are not enough sections (%d <= %d) for the field %q", len(secs), sectionIndex, fieldName)
+				}
+				// Only set the field to non-nil struct value if we have a section for it.
+				// Otherwise, we end up with a non-nil struct ptr even though there is no data.
 				if isStructPtr && field.IsNil() {
 					field.Set(reflect.New(tpField.Type.Elem()))
 				}
-				if err = sec.mapTo(field, isStrict); err != nil {
+				if err = secs[sectionIndex].mapToField(field, isStrict, sectionIndex, fieldName); err != nil {
-					return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
+					return fmt.Errorf("map to field %q: %v", fieldName, err)
 				}
 				continue
 			}
 		}
 
+		// Map non-unique sections
+		if allowNonUnique && tpField.Type.Kind() == reflect.Slice {
+			newField, err := s.mapToSlice(fieldName, field, isStrict)
+			if err != nil {
+				return fmt.Errorf("map to slice %q: %v", fieldName, err)
+			}
+
+			field.Set(newField)
+			continue
+		}
+
 		if key, err := s.GetKey(fieldName); err == nil {
 			delim := parseDelim(tpField.Tag.Get("delim"))
 			if err = setWithProperType(tpField.Type, key, field, delim, allowShadow, isStrict); err != nil {
-				return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
+				return fmt.Errorf("set field %q: %v", fieldName, err)
 			}
 		}
 	}
 	return nil
 }
 
-// MapTo maps section to given struct.
+// mapToSlice maps all sections with the same name and returns the new value.
-func (s *Section) MapTo(v interface{}) error {
+// The type of the Value must be a slice.
+func (s *Section) mapToSlice(secName string, val reflect.Value, isStrict bool) (reflect.Value, error) {
+	secs, err := s.f.SectionsByName(secName)
+	if err != nil {
+		return reflect.Value{}, err
+	}
+
+	typ := val.Type().Elem()
+	for i, sec := range secs {
+		elem := reflect.New(typ)
+		if err = sec.mapToField(elem, isStrict, i, sec.name); err != nil {
+			return reflect.Value{}, fmt.Errorf("map to field from section %q: %v", secName, err)
+		}
+
+		val = reflect.Append(val, elem.Elem())
+	}
+	return val, nil
+}
+
+// mapTo maps a section to object v.
+func (s *Section) mapTo(v interface{}, isStrict bool) error {
 	typ := reflect.TypeOf(v)
 	val := reflect.ValueOf(v)
 	if typ.Kind() == reflect.Ptr {
 		typ = typ.Elem()
 		val = val.Elem()
 	} else {
-		return errors.New("cannot map to non-pointer struct")
+		return errors.New("not a pointer to a struct")
 	}
 
-	return s.mapTo(val, false)
+	if typ.Kind() == reflect.Slice {
+		newField, err := s.mapToSlice(s.name, val, isStrict)
+		if err != nil {
+			return err
+		}
+
+		val.Set(newField)
+		return nil
+	}
+
+	return s.mapToField(val, isStrict, 0, s.name)
+}
+
+// MapTo maps section to given struct.
+func (s *Section) MapTo(v interface{}) error {
+	return s.mapTo(v, false)
 }
 
 // StrictMapTo maps section to given struct in strict mode,
 // which returns all possible error including value parsing error.
 func (s *Section) StrictMapTo(v interface{}) error {
-	typ := reflect.TypeOf(v)
+	return s.mapTo(v, true)
-	val := reflect.ValueOf(v)
-	if typ.Kind() == reflect.Ptr {
-		typ = typ.Elem()
-		val = val.Elem()
-	} else {
-		return errors.New("cannot map to non-pointer struct")
-	}
-
-	return s.mapTo(val, true)
 }
 
 // MapTo maps file to given struct.
@@ -369,6 +476,8 @@ func reflectSliceWithProperType(key *Key, field reflect.Value, delim string, all
 				val = fmt.Sprint(slice.Index(i).Uint())
 			case reflect.Float64:
 				val = fmt.Sprint(slice.Index(i).Float())
+			case reflect.Bool:
+				val = fmt.Sprint(slice.Index(i).Bool())
 			case reflectTime:
 				val = slice.Index(i).Interface().(time.Time).Format(time.RFC3339)
 			default:
@@ -378,10 +487,10 @@ func reflectSliceWithProperType(key *Key, field reflect.Value, delim string, all
 			if i == 0 {
 				keyWithShadows = newKey(key.s, key.name, val)
 			} else {
-				keyWithShadows.AddShadow(val)
+				_ = keyWithShadows.AddShadow(val)
 			}
 		}
-		key = keyWithShadows
+		*key = *keyWithShadows
 		return nil
 	}
 
@@ -396,6 +505,8 @@ func reflectSliceWithProperType(key *Key, field reflect.Value, delim string, all
 			buf.WriteString(fmt.Sprint(slice.Index(i).Uint()))
 		case reflect.Float64:
 			buf.WriteString(fmt.Sprint(slice.Index(i).Float()))
+		case reflect.Bool:
+			buf.WriteString(fmt.Sprint(slice.Index(i).Bool()))
 		case reflectTime:
 			buf.WriteString(slice.Index(i).Interface().(time.Time).Format(time.RFC3339))
 		default:
@@ -424,8 +535,12 @@ func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim
 		key.SetValue(fmt.Sprint(field.Interface().(time.Time).Format(time.RFC3339)))
 	case reflect.Slice:
 		return reflectSliceWithProperType(key, field, delim, allowShadow)
+	case reflect.Ptr:
+		if !field.IsNil() {
+			return reflectWithProperType(t.Elem(), key, field.Elem(), delim, allowShadow)
+		}
 	default:
-		return fmt.Errorf("unsupported type '%s'", t)
+		return fmt.Errorf("unsupported type %q", t)
 	}
 	return nil
 }
@@ -453,6 +568,11 @@ func isEmptyValue(v reflect.Value) bool {
 	return false
 }
 
+// StructReflector is the interface implemented by struct types that can extract themselves into INI objects.
+type StructReflector interface {
+	ReflectINIStruct(*File) error
+}
+
 func (s *Section) reflectFrom(val reflect.Value) error {
 	if val.Kind() == reflect.Ptr {
 		val = val.Elem()
@@ -460,6 +580,10 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 	typ := val.Type()
 
 	for i := 0; i < typ.NumField(); i++ {
+		if !val.Field(i).CanInterface() {
+			continue
+		}
+
 		field := val.Field(i)
 		tpField := typ.Field(i)
 
@@ -468,17 +592,28 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			continue
 		}
 
-		rawName, omitEmpty, allowShadow := parseTagOptions(tag)
+		rawName, omitEmpty, allowShadow, allowNonUnique, extends := parseTagOptions(tag)
 		if omitEmpty && isEmptyValue(field) {
 			continue
 		}
 
+		if r, ok := field.Interface().(StructReflector); ok {
+			return r.ReflectINIStruct(s.f)
+		}
+
 		fieldName := s.parseFieldName(tpField.Name, rawName)
 		if len(fieldName) == 0 || !field.CanSet() {
 			continue
 		}
 
-		if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
+		if extends && tpField.Anonymous && (tpField.Type.Kind() == reflect.Ptr || tpField.Type.Kind() == reflect.Struct) {
+			if err := s.reflectFrom(field); err != nil {
+				return fmt.Errorf("reflect from field %q: %v", fieldName, err)
+			}
+			continue
+		}
+
+		if (tpField.Type.Kind() == reflect.Ptr && tpField.Type.Elem().Kind() == reflect.Struct) ||
 			(tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
 			// Note: The only error here is section doesn't exist.
 			sec, err := s.f.GetSection(fieldName)
@@ -493,12 +628,41 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			}
 
 			if err = sec.reflectFrom(field); err != nil {
-				return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
+				return fmt.Errorf("reflect from field %q: %v", fieldName, err)
 			}
 			continue
 		}
 
-		// Note: Same reason as secion.
+		if allowNonUnique && tpField.Type.Kind() == reflect.Slice {
+			slice := field.Slice(0, field.Len())
+			if field.Len() == 0 {
+				return nil
+			}
+			sliceOf := field.Type().Elem().Kind()
+
+			for i := 0; i < field.Len(); i++ {
+				if sliceOf != reflect.Struct && sliceOf != reflect.Ptr {
+					return fmt.Errorf("field %q is not a slice of pointer or struct", fieldName)
+				}
+
+				sec, err := s.f.NewSection(fieldName)
+				if err != nil {
+					return err
+				}
+
+				// Add comment from comment tag
+				if len(sec.Comment) == 0 {
+					sec.Comment = tpField.Tag.Get("comment")
+				}
+
+				if err := sec.reflectFrom(slice.Index(i)); err != nil {
+					return fmt.Errorf("reflect from field %q: %v", fieldName, err)
+				}
+			}
+			continue
+		}
+
+		// Note: Same reason as section.
 		key, err := s.GetKey(fieldName)
 		if err != nil {
 			key, _ = s.NewKey(fieldName, "")
@@ -509,23 +673,58 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			key.Comment = tpField.Tag.Get("comment")
 		}
 
-		if err = reflectWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim")), allowShadow); err != nil {
+		delim := parseDelim(tpField.Tag.Get("delim"))
-			return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
+		if err = reflectWithProperType(tpField.Type, key, field, delim, allowShadow); err != nil {
+			return fmt.Errorf("reflect field %q: %v", fieldName, err)
 		}
 
 	}
 	return nil
 }
 
-// ReflectFrom reflects secion from given struct.
+// ReflectFrom reflects section from given struct. It overwrites existing ones.
 func (s *Section) ReflectFrom(v interface{}) error {
 	typ := reflect.TypeOf(v)
 	val := reflect.ValueOf(v)
+
+	if s.name != DefaultSection && s.f.options.AllowNonUniqueSections &&
+		(typ.Kind() == reflect.Slice || typ.Kind() == reflect.Ptr) {
+		// Clear sections to make sure none exists before adding the new ones
+		s.f.DeleteSection(s.name)
+
+		if typ.Kind() == reflect.Ptr {
+			sec, err := s.f.NewSection(s.name)
+			if err != nil {
+				return err
+			}
+			return sec.reflectFrom(val.Elem())
+		}
+
+		slice := val.Slice(0, val.Len())
+		sliceOf := val.Type().Elem().Kind()
+		if sliceOf != reflect.Ptr {
+			return fmt.Errorf("not a slice of pointers")
+		}
+
+		for i := 0; i < slice.Len(); i++ {
+			sec, err := s.f.NewSection(s.name)
+			if err != nil {
+				return err
+			}
+
+			err = sec.reflectFrom(slice.Index(i))
+			if err != nil {
+				return fmt.Errorf("reflect from %dth field: %v", i, err)
+			}
+		}
+
+		return nil
+	}
+
 	if typ.Kind() == reflect.Ptr {
-		typ = typ.Elem()
 		val = val.Elem()
 	} else {
-		return errors.New("cannot reflect from non-pointer struct")
+		return errors.New("not a pointer to a struct")
 	}
 
 	return s.reflectFrom(val)

vendor/modules.txt

@@ -1,11 +1,15 @@
-# github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc
+# github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00
+## explicit
+# github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab
 ## explicit
 github.com/influxdata/influxdb1-client
 github.com/influxdata/influxdb1-client/models
 github.com/influxdata/influxdb1-client/pkg/escape
 github.com/influxdata/influxdb1-client/v2
-# github.com/smartystreets/goconvey v0.0.0-20190710185942-9d28bd7c0945
+# github.com/smartystreets/assertions v1.2.0
 ## explicit
-# gopkg.in/ini.v1 v1.44.0
+# github.com/smartystreets/goconvey v1.6.4
+## explicit
+# gopkg.in/ini.v1 v1.62.0
 ## explicit
 gopkg.in/ini.v1