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Merge pull request #1112 from restic/fix-chmod-not-supported
Ignore error for Chmod() on FS that don't support it
This commit is contained in:
commit
2f00287e45
@ -5,15 +5,9 @@ package local
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import (
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"os"
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"restic/fs"
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"syscall"
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)
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// set file to readonly
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func setNewFileMode(f string, fi os.FileInfo) error {
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err := fs.Chmod(f, fi.Mode()&os.FileMode(^uint32(0222)))
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// ignore the error if the FS does not support setting this mode (e.g. CIFS with gvfs on Linux)
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if perr, ok := err.(*os.PathError); ok && perr.Err == syscall.ENOTSUP {
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err = nil
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}
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return err
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return fs.Chmod(f, fi.Mode()&os.FileMode(^uint32(0222)))
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}
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@ -19,11 +19,6 @@ type File interface {
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Stat() (os.FileInfo, error)
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}
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// Chmod changes the mode of the named file to mode.
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func Chmod(name string, mode os.FileMode) error {
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return os.Chmod(fixpath(name), mode)
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}
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// Mkdir creates a new directory with the specified name and permission bits.
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// If there is an error, it will be of type *PathError.
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func Mkdir(name string, perm os.FileMode) error {
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@ -5,6 +5,7 @@ package fs
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import (
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"io/ioutil"
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"os"
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"syscall"
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)
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// fixpath returns an absolute path on windows, so restic can open long file
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@ -35,3 +36,23 @@ func TempFile(dir, prefix string) (f *os.File, err error) {
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return f, nil
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}
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// isNotSuported returns true if the error is caused by an unsupported file system feature.
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func isNotSupported(err error) bool {
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if perr, ok := err.(*os.PathError); ok && perr.Err == syscall.ENOTSUP {
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return true
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}
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return false
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}
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// Chmod changes the mode of the named file to mode.
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func Chmod(name string, mode os.FileMode) error {
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err := os.Chmod(fixpath(name), mode)
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// ignore the error if the FS does not support setting this mode (e.g. CIFS with gvfs on Linux)
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if err != nil && isNotSupported(err) {
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return nil
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}
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return err
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}
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@ -91,3 +91,8 @@ func MkdirAll(path string, perm os.FileMode) error {
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func TempFile(dir, prefix string) (f *os.File, err error) {
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return ioutil.TempFile(dir, prefix)
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}
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// Chmod changes the mode of the named file to mode.
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func Chmod(name string, mode os.FileMode) error {
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return os.Chmod(fixpath(name), mode)
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}
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