func LoadDirectory(ref *block.Ref) (entries []*Entry, err error) {
r, err := block.NewReader(ref)
if err != nil {
return
}
err = json.NewDecoder(r).Decode(&entries)
return
}
func verifyFile(entry *Entry) error {
r, err := block.NewReader(entry.Ref)
if err != nil {
return err
}
if _, err := io.Copy(ioutil.Discard, r); err != nil {
return err
}
return nil
}
func showRef() error {
if flag.NArg() < 2 || flag.Arg(1) == "" {
return fmt.Errorf("expecting block ref")
}
ref := block.RefFromHex([]byte(flag.Arg(1)))
if ref == nil {
return fmt.Errorf("bad ref %s", flag.Arg(1))
}
r, err := block.NewReader(ref)
if err != nil {
return err
}
if _, err := io.Copy(os.Stdout, r); err != nil {
return err
}
return nil
}
func restoreFile(entry *Entry, outdir string) error {
var path = filepath.Join(outdir, entry.Name)
if entry.Mode.IsDir() {
if err := os.MkdirAll(path, entry.Mode); err != nil {
return err
}
} else {
r, err := block.NewReader(entry.Ref)
if err != nil {
return err
}
f, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_WRONLY, entry.Mode)
if err != nil {
return err
}
if _, err := io.Copy(f, r); err != nil {
f.Close()
os.Remove(path)
return err
}
if config.FileSync {
if err := f.Sync(); err != nil {
f.Close()
os.Remove(path)
return err
}
}
if err := f.Close(); err != nil {
os.Remove(path)
return err
}
}
if err := os.Chtimes(path, time.Now(), entry.ModTime); err != nil {
return err
}
log.Printf("restored %s", path)
return nil
}