InstallStorage::getAllFolders

protected InstallStorage::getAllFolders()

protected function getAllFolders() {
  if (!isset($this->folders)) {
    $this->folders = array();
    $this->folders += $this->getCoreNames();
    // Perform an ExtensionDiscovery scan as we cannot use drupal_get_path()
    // yet because the system module may not yet be enabled during install.
    // @todo Remove as part of https://www.drupal.org/node/2186491
    $listing = new ExtensionDiscovery(\Drupal::root());
    if ($profile = drupal_get_profile()) {
      $profile_list = $listing->scan('profile');
      if (isset($profile_list[$profile])) {
        // Prime the drupal_get_filename() static cache with the profile info
        // file location so we can use drupal_get_path() on the active profile
        // during the module scan.
        // @todo Remove as part of https://www.drupal.org/node/2186491
        drupal_get_filename('profile', $profile, $profile_list[$profile]->getPathname());
        $this->folders += $this->getComponentNames(array($profile_list[$profile]));
      }
    }
    // @todo Remove as part of https://www.drupal.org/node/2186491
    $this->folders += $this->getComponentNames($listing->scan('module'));
    $this->folders += $this->getComponentNames($listing->scan('theme'));
  }
  return $this->folders;
}