Function syncDir

pkg/cache/cache.go:372–379

syncDir best-effort fsyncs a directory so a recent rename inside it is persisted. Directory fsync is not portable (e.g. unsupported on Windows); a failure here does not invalidate the data.

(dir string)

// persisted. Directory fsync is not portable (e.g. unsupported on
// Windows); a failure here does not invalidate the data.
func syncDir(dir string) {
	d, err := os.Open(dir)
	if err != nil {
		return
	}
	defer d.Close()
	_ = d.Sync()
}