listTarFiles function

Implementation

void listTarFiles(String path) {
  final file = File(path);
  if (!file.existsSync()) {
    _fail('$path does not exist');
  }

  final input = InputFileStream(path);
  try {
    final tar = _tarStream(path, input);
    final tarArchive = TarDecoder();
    // Tell the decoder not to store the actual file data since we don't need
    // it.
    tarArchive.decodeStream(tar, storeData: false);

    print('${tarArchive.files.length} file(s)');
    for (final f in tarArchive.files) {
      print('  $f');
    }
  } finally {
    input.closeSync();
  }
}