if err != nil {
		return err
	}

	// Truncate entries.
	if uint64(len(files)) > store.entryLimit {
		files = files[:store.entryLimit]
	}

	for _, file := range files {
		if file.IsDir() {
			continue
		}
		key := strings.TrimSuffix(file.Name(), store.fileExt)
		if fi, err := file.Info(); err == nil {
			store.entries[key] = fi.ModTime().UnixNano()
		}
	}

	return nil
}

	files := []string{}
	dirIndices := []int{}
	for k, dir := range dirs {
		dents, err := os.ReadDir(dir)
		if err != nil {
			return nil, err
		}
		for _, e := range dents {
			if e.IsDir() {
				continue
			}
			files = append(files, filepath.Join(dir, e.Name()))
			dirIndices = append(dirIndices, k)
		}
	}
	return collectPodsImpl(files, dirIndices, warn), nil
}

		if err != nil {
			return err
		}

		fpath, err := filepathlite.Localize(path)
		if err != nil {
			return err
		}
		newPath := joinPath(dir, fpath)
		if d.IsDir() {
			return MkdirAll(newPath, 0777)
		}

		// TODO(panjf2000): handle symlinks with the help of fs.ReadLinkFS
		// 		once https://go.dev/issue/49580 is done.

	f, err := os.Open(link)
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	if fi, err := f.Stat(); err != nil {
		t.Fatal(err)
	} else if !fi.IsDir() {
		t.Errorf("Open(%#q).Stat().IsDir() = false; want true", f.Name())
	}
}

// TestWorkingDirectoryRelativeSymlink verifies that symlinks to paths relative

			// Refuse to use local directories in $PATH (hard-coding exec.ErrDot).
			continue
		}
		entries, err := os.ReadDir(dir)
		if err != nil {
			continue
		}
		for _, de := range entries {
			if de.IsDir() || !strings.HasPrefix(de.Name(), "go1.") {
				continue
			}
			info, err := de.Info()
			if err != nil {
				continue
			}
			v, ok := pathVersion(dir, de, info)

func (i *mapFileInfo) Type() fs.FileMode          { return i.f.Mode.Type() }
func (i *mapFileInfo) ModTime() time.Time         { return i.f.ModTime }
func (i *mapFileInfo) IsDir() bool                { return i.f.Mode&fs.ModeDir != 0 }
func (i *mapFileInfo) Sys() any                   { return i.f.Sys }
func (i *mapFileInfo) Info() (fs.FileInfo, error) { return i, nil }

}

func fileExists(filename string) (bool, error) {
	info, err := os.Stat(filename)
	if err != nil {
		if os.IsNotExist(err) {
			return false, nil
		}
		return false, err
	}
	return !info.IsDir(), nil
}

// Read a certificate from a file the K8s pki managed by kubeadm
func (rw *pkiCertificateReadWriter) Read() (*x509.Certificate, error) {

		func(s *State, args ...string) (WaitFunc, error) {
			if len(args) < 2 {
				return nil, ErrUsage
			}

			dst := s.Path(args[len(args)-1])
			info, err := os.Stat(dst)
			dstDir := err == nil && info.IsDir()
			if len(args) > 2 && !dstDir {
				return nil, &fs.PathError{Op: "cp", Path: dst, Err: errors.New("destination is not a directory")}
			}

			for _, arg := range args[:len(args)-1] {
				var (

	// If the destination directory has the group sticky bit set,
	// we have to copy the file to retain the correct permissions.
	// https://golang.org/issue/18878
	if fi, err := os.Stat(filepath.Dir(dst)); err == nil {
		if fi.IsDir() && (fi.Mode()&fs.ModeSetgid) != 0 {
			return sh.CopyFile(dst, src, perm, force)
		}
	}

	// The perm argument is meant to be adjusted according to umask,
	// but we don't know what the umask is.

	return &PodNetnsEntry{
		uid:     uid,
		netns:   netns,
		netnsfd: fd,
		inode:   inode,
	}, nil
}

func isProcess(entry fs.DirEntry) bool {
	// check if it is a directory
	if !entry.IsDir() {
		return false
	}

	// check if it is a number
	if strings.IndexFunc(entry.Name(), isNotNumber) != -1 {
		return false
	}
	return true
}

func GetFd(f fs.File) (uintptr, error) {