/**
  * Get the SSH configuration file instance.
  *
  * @param  string  $user
  * @return \Laravel\Envoy\SSHConfigFile
  */
 protected function getSshConfig($user)
 {
     if (file_exists($path = $this->getHomeDirectory($user) . '/.ssh/config')) {
         return SSHConfigFile::parse($path);
     }
 }