dip/vendor/github.com/gobuffalo/here/dir.go
2020-01-27 21:16:08 +01:00

84 lines
1.4 KiB
Go

package here
import (
"encoding/json"
"os"
"path/filepath"
)
// Dir attempts to gather info for the requested directory.
func (h Here) Dir(p string) (Info, error) {
i, err := h.cache(p, func(p string) (Info, error) {
var i Info
fi, err := os.Stat(p)
if err != nil {
return i, err
}
if !fi.IsDir() {
p = filepath.Dir(p)
}
pwd, err := os.Getwd()
if err != nil {
return i, err
}
defer os.Chdir(pwd)
os.Chdir(p)
b, err := run("go", "list", "-json")
// go: cannot find main module; see 'go help modules'
// build .: cannot find module for path .
// no Go files in
if err != nil {
if nonGoDirRx.MatchString(err.Error()) {
return fromNonGoDir(p)
}
return i, err
}
if err := json.Unmarshal(b, &i); err != nil {
return i, err
}
return i, nil
})
if err != nil {
return i, err
}
return h.cache(i.ImportPath, func(p string) (Info, error) {
return i, nil
})
}
// Dir attempts to gather info for the requested directory.
func Dir(p string) (Info, error) {
return New().Dir(p)
}
func fromNonGoDir(dir string) (Info, error) {
i := Info{
Dir: dir,
Name: filepath.Base(dir),
}
b, err := run("go", "list", "-json", "-m")
if err != nil {
if nonGoDirRx.MatchString(err.Error()) {
return i, nil
}
return i, err
}
if err := json.Unmarshal(b, &i.Module); err != nil {
return i, err
}
return i, err
}