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package fs
import (
"os"
"syscall"
"time"
)
// MkdirAll is forked os.MkdirAll
func MkdirAll(path string, perm os.FileMode, user Chowner, tm *time.Time) error {
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{Op: "mkdir", Path: path, Err: syscall.ENOTDIR}
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(path)
for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent.
err = MkdirAll(fixRootDirectory(path[:j-1]), perm, user, tm)
if err != nil {
return err
}
}
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
if err := Chown(path, nil, user); err != nil {
return err
}
if err := Utimes(path, tm); err != nil {
return err
}
return nil
}
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