public function projectSetupSettings() {
    $settings_file = $this->root() . '/build/sites/default/settings.php';
    $processor = new SettingsProcessor(Robo::config());
    $content = $processor->process($settings_file);
    $this->collectionBuilder()->addTaskList([
      $this->taskFilesystemStack()->chmod('build/sites', 0775, 0000, TRUE),
      $this->taskWriteToFile($settings_file)->text($content),
    ])->run();
  }