Пример #1
0
func initDebugLogger() {
	debugfile := os.Getenv("DEBUG_LOG")
	if debugfile == "" {
		return
	}

	fmt.Fprintf(os.Stderr, "debug log file %v\n", debugfile)

	f, err := fs.OpenFile(debugfile, os.O_WRONLY|os.O_APPEND, 0600)

	if err == nil {
		_, err = f.Seek(2, 0)
		if err != nil {
			fmt.Fprintf(os.Stderr, "unable to seek to the end of %v: %v\n", debugfile, err)
			os.Exit(3)
		}
	}

	if err != nil && os.IsNotExist(errors.Cause(err)) {
		f, err = fs.OpenFile(debugfile, os.O_WRONLY|os.O_CREATE, 0600)
	}

	if err != nil {
		fmt.Fprintf(os.Stderr, "unable to open debug log file: %v\n", err)
		os.Exit(2)
	}

	opts.logger = log.New(f, "", log.LstdFlags)
}
Пример #2
0
// SaveBlob returns a http.HandlerFunc that saves a blob to the repository.
func SaveBlob(c *Context) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		vars := strings.Split(r.RequestURI, "/")
		dir := vars[1]
		name := vars[2]
		path := filepath.Join(c.path, dir, name)
		tmp := path + "_tmp"
		tf, err := fs.OpenFile(tmp, os.O_CREATE|os.O_WRONLY, 0600)
		if err != nil {
			http.Error(w, "500 internal server error", 500)
			return
		}
		if _, err := io.Copy(tf, r.Body); err != nil {
			http.Error(w, "400 bad request", 400)
			tf.Close()
			os.Remove(tmp)
			return
		}
		if err := tf.Close(); err != nil {
			http.Error(w, "500 internal server error", 500)
		}
		if err := os.Rename(tmp, path); err != nil {
			http.Error(w, "500 internal server error", 500)
			return
		}
		w.Write([]byte("200 ok"))
	}
}
Пример #3
0
func (node Node) createFileAt(path string, repo Repository) error {
	f, err := fs.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0600)
	defer f.Close()

	if err != nil {
		return errors.Wrap(err, "OpenFile")
	}

	var buf []byte
	for _, id := range node.Content {
		size, err := repo.LookupBlobSize(id, DataBlob)
		if err != nil {
			return err
		}

		buf = buf[:cap(buf)]
		if uint(len(buf)) < size {
			buf = make([]byte, size)
		}

		n, err := repo.LoadBlob(DataBlob, id, buf)
		if err != nil {
			return err
		}
		buf = buf[:n]

		_, err = f.Write(buf)
		if err != nil {
			return errors.Wrap(err, "Write")
		}
	}

	return nil
}