code: public function getDist($identifier)
      {
          if ($this->fallbackDriver) {
              return $this->fallbackDriver->getDist($identifier);
          }
  
          $url = sprintf(
              'https://bitbucket.org/%s/%s/get/%s.zip',
              $this->owner,
              $this->repository,
              $identifier
          );
  
          return array('type' => 'zip', 'url' => $url, 'reference' => $identifier, 'shasum' => '');
      }
docs: {@inheritDoc}