return
		}
	}

	// Initialize a zip writer which will provide a zipped content
	// of bucket metadata
	zipWriter := zip.NewWriter(w)
	defer zipWriter.Close()

	rawDataFn := func(r io.Reader, filename string, sz int) {
		header, zerr := zip.FileInfoHeader(dummyFileInfo{
			name:    filename,
			size:    int64(sz),
			mode:    0o600,
			modTime: time.Now(),
			isDir:   false,