func (h *FileHeader) hasDataDescriptor() bool {
	return h.Flags&0x8 != 0
}

func msdosModeToFileMode(m uint32) (mode fs.FileMode) {
	if m&msdosDir != 0 {
		mode = fs.ModeDir | 0777
	} else {
		mode = 0666
	}
	if m&msdosReadOnly != 0 {
		mode &^= 0222
	}
	return mode
}

func fileModeToUnixMode(mode fs.FileMode) uint32 {
	var m uint32
	switch mode & fs.ModeType {
	default:
		m = s_IFREG

0660..0669    ; valid                                  # 1.1  ARABIC-INDIC DIGIT ZERO..ARABIC-INDIC DIGIT NINE
066A..066D    ; valid                  ;      ; NV8    # 1.1  ARABIC PERCENT SIGN..ARABIC FIVE POINTED STAR
066E..066F    ; valid                                  # 3.2  ARABIC LETTER DOTLESS BEH..ARABIC LETTER DOTLESS QAF

	}
	// write "Prefix"
	err = en.Append(0xa6, 0x50, 0x72, 0x65, 0x66, 0x69, 0x78)
	if err != nil {
		return
	}
	err = z.Prefix.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Prefix")
		return
	}
	// write "NotificationCfg"
	err = en.Append(0xaf, 0x4e, 0x6f, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x43, 0x66, 0x67)
	if err != nil {
		return
	}

	if err != nil {
		return
	}
	err = en.WriteBytes(z.PolicyConfigJSON)
	if err != nil {
		err = msgp.WrapError(err, "PolicyConfigJSON")
		return
	}
	// write "NotificationConfigXML"
	err = en.Append(0xb5, 0x4e, 0x6f, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x58, 0x4d, 0x4c)
	if err != nil {

// Because ReadFile reads the whole file, it does not treat an EOF from Read
// as an error to be reported.
func ReadFileWithFileInfo(name string) ([]byte, fs.FileInfo, error) {
	f, err := OsOpenFile(name, readMode, 0o666)
	if err != nil {
		return nil, nil, err
	}
	defer f.Close()

	st, err := f.Stat()
	if err != nil {
		return nil, nil, err
	}

	dst := make([]byte, st.Size())
	_, err = io.ReadFull(f, dst)

	if err != nil {
		return
	}
	err = en.WriteString(z.root)
	if err != nil {
		err = msgp.WrapError(err, "root")
		return
	}
	// write "fnf"
	err = en.Append(0xa3, 0x66, 0x6e, 0x66)
	if err != nil {
		return
	}
	err = en.WriteBool(z.fileNotFound)
	if err != nil {
		err = msgp.WrapError(err, "fileNotFound")
		return
	}
	// write "stat"

func AppendFile(dst string, src string, osync bool) error {
	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
	if err != nil {
		return err
	}
	defer srcFile.Close()
	_, err = io.Copy(appendFile, srcFile)
	return err

	// string "pfx"
	o = append(o, 0xa3, 0x70, 0x66, 0x78)
	o = msgp.AppendString(o, z.Prefix)
	// string "obj"
	o = append(o, 0xa3, 0x6f, 0x62, 0x6a)
	o = msgp.AppendString(o, z.Object)
	// string "id"
	o = append(o, 0xa2, 0x69, 0x64)
	o = msgp.AppendInt64(o, z.ItemsDecommissioned)
	// string "idf"
	o = append(o, 0xa3, 0x69, 0x64, 0x66)
	o = msgp.AppendInt64(o, z.ItemsDecommissionFailed)
	// string "bd"

func AppendFile(dst string, src string, osync bool) error {
	flags := os.O_WRONLY | os.O_APPEND | os.O_CREATE
	if osync {
		flags |= os.O_SYNC
	}
	appendFile, err := os.OpenFile(dst, flags, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := os.Open(src)
	if err != nil {
		return err
	}
	defer srcFile.Close()
	_, err = io.Copy(appendFile, srcFile)
	return err

                /dev/3 /path/to/1.1 type3 flags,1,2=3 3 3
		`
	var err error
	dir := t.TempDir()
	mountsPath := filepath.Join(dir, "mounts")
	if err = os.WriteFile(mountsPath, []byte(successCase), 0o666); err != nil {
		t.Fatal(err)
	}
	// Failure case where we detected successfully cross device mounts.
	{
		absPaths := []string{"/path/to/1"}
		if err = checkCrossDevice(absPaths, mountsPath); err == nil {