9 type ReadOnlyFs struct {
13 func NewReadOnlyFs(source Fs) Fs {
14 return &ReadOnlyFs{source: source}
17 func (r *ReadOnlyFs) ReadDir(name string) ([]os.FileInfo, error) {
18 return ReadDir(r.source, name)
21 func (r *ReadOnlyFs) Chtimes(n string, a, m time.Time) error {
25 func (r *ReadOnlyFs) Chmod(n string, m os.FileMode) error {
29 func (r *ReadOnlyFs) Name() string {
30 return "ReadOnlyFilter"
33 func (r *ReadOnlyFs) Stat(name string) (os.FileInfo, error) {
34 return r.source.Stat(name)
37 func (r *ReadOnlyFs) Rename(o, n string) error {
41 func (r *ReadOnlyFs) RemoveAll(p string) error {
45 func (r *ReadOnlyFs) Remove(n string) error {
49 func (r *ReadOnlyFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
50 if flag&(os.O_WRONLY|syscall.O_RDWR|os.O_APPEND|os.O_CREATE|os.O_TRUNC) != 0 {
51 return nil, syscall.EPERM
53 return r.source.OpenFile(name, flag, perm)
56 func (r *ReadOnlyFs) Open(n string) (File, error) {
57 return r.source.Open(n)
60 func (r *ReadOnlyFs) Mkdir(n string, p os.FileMode) error {
64 func (r *ReadOnlyFs) MkdirAll(n string, p os.FileMode) error {
68 func (r *ReadOnlyFs) Create(n string) (File, error) {
69 return nil, syscall.EPERM