/**
  * @param \App\Satis\ConfigManager $configManager
  * @param string|null $repositoryId
  */
 public function get(ConfigManager $configManager, $repositoryId = null)
 {
     try {
         $repositories = $configManager->getRepositories($repositoryId);
         Response::make($repositories)->send();
     } catch (RepositoryNotFoundException $e) {
         Response::json()->setStatusCode(404)->send();
     } catch (PackageBuildFailedException $e) {
         Response::json($e->getMessage())->setStatusCode(500)->send();
     }
 }