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mirror of https://github.com/octoleo/restic.git synced 2024-11-23 21:27:34 +00:00
restic/internal/backend/local/local_unix.go
Michael Eischer 24f4e780f1 backend: consistently use os package for filesystem access
The go std library should be good enough to manage the files in the
backend and cache folders.
2024-08-31 18:20:40 +02:00

48 lines
929 B
Go

//go:build !windows
// +build !windows
package local
import (
"errors"
"os"
"runtime"
"syscall"
)
// fsyncDir flushes changes to the directory dir.
func fsyncDir(dir string) error {
d, err := os.Open(dir)
if err != nil {
return err
}
err = d.Sync()
if err != nil &&
(errors.Is(err, syscall.ENOTSUP) || errors.Is(err, syscall.ENOENT) ||
errors.Is(err, syscall.EINVAL) || isMacENOTTY(err)) {
err = nil
}
cerr := d.Close()
if err == nil {
err = cerr
}
return err
}
// The ExFAT driver on some versions of macOS can return ENOTTY,
// "inappropriate ioctl for device", for fsync.
//
// https://github.com/restic/restic/issues/4016
// https://github.com/realm/realm-core/issues/5789
func isMacENOTTY(err error) bool {
return runtime.GOOS == "darwin" && errors.Is(err, syscall.ENOTTY)
}
// set file to readonly
func setFileReadonly(f string, mode os.FileMode) error {
return os.Chmod(f, mode&^0222)
}