forked from TrueCloudLab/restic
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
//go:build !windows
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// +build !windows
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package fs
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import (
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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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// names.
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func fixpath(name string) string {
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return name
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}
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// TempFile creates a temporary file which has already been deleted (on
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// supported platforms)
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func TempFile(dir, prefix string) (f *os.File, err error) {
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f, err = os.CreateTemp(dir, prefix)
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if err != nil {
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return nil, err
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}
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if err = os.Remove(f.Name()); err != nil {
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return nil, err
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}
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return f, nil
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}
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// isNotSupported 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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