50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package fileutils
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
// MkdirAllNewAs creates a directory (include any along the path) and then modifies
|
|
// ownership ONLY of newly created directories to the requested uid/gid. If the
|
|
// directories along the path exist, no change of ownership will be performed
|
|
func MkdirAllNewAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
|
|
// make an array containing the original path asked for, plus (for mkAll == true)
|
|
// all path components leading up to the complete path that don't exist before we MkdirAll
|
|
// so that we can chown all of them properly at the end. If chownExisting is false, we won't
|
|
// chown the full directory path if it exists
|
|
var paths []string
|
|
if _, err := os.Stat(path); err != nil && os.IsNotExist(err) {
|
|
paths = []string{path}
|
|
} else if err == nil {
|
|
// nothing to do; directory path fully exists already
|
|
return nil
|
|
}
|
|
|
|
// walk back to "/" looking for directories which do not exist
|
|
// and add them to the paths array for chown after creation
|
|
dirPath := path
|
|
for {
|
|
dirPath = filepath.Dir(dirPath)
|
|
if dirPath == "/" {
|
|
break
|
|
}
|
|
if _, err := os.Stat(dirPath); err != nil && os.IsNotExist(err) {
|
|
paths = append(paths, dirPath)
|
|
}
|
|
}
|
|
|
|
if err := os.MkdirAll(path, mode); err != nil && !os.IsExist(err) {
|
|
return err
|
|
}
|
|
|
|
// even if it existed, we will chown the requested path + any subpaths that
|
|
// didn't exist when we called MkdirAll
|
|
for _, pathComponent := range paths {
|
|
if err := os.Chown(pathComponent, ownerUID, ownerGID); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|