public function travisInit() {
    $result = $this->taskFilesystemStack()
      ->copy($this->getConfigValue('blt.root') . '/scripts/travis/.travis.yml', $this->getConfigValue('repo.root') . '/.travis.yml', TRUE)
      ->stopOnFail()
      ->setVerbosityThreshold(VerbosityThresholdInterface::VERBOSITY_VERBOSE)
      ->run();

    if (!$result->wasSuccessful()) {
      throw new BltException("Could not initialize Travis CI configuration.");
    }

    $this->say("<info>A pre-configured .travis.yml file was copied to your repository root.</info>");
  }