locale_system_update

locale_system_update(array $components)

function locale_system_update(array $components) {
  $components += array('module' => array(), 'theme' => array());
  $list = array_merge($components['module'], $components['theme']);

  // Skip running the translation imports if in the installer,
  // because it would break out of the installer flow. We have
  // built-in support for translation imports in the installer.
  if (!drupal_installation_attempted() && locale_translatable_language_list()) {
    if (\Drupal::config('locale.settings')->get('translation.import_enabled')) {
      module_load_include('compare.inc', 'locale');

      // Update the list of translatable projects and start the import batch.
      // Only when new projects are added the update batch will be triggered.
      // Not each enabled module will introduce a new project. E.g. sub modules.
      $projects = array_keys(locale_translation_build_projects());
      if ($list = array_intersect($list, $projects)) {
        module_load_include('fetch.inc', 'locale');
        // Get translation status of the projects, download and update
        // translations.
        $options = _locale_translation_default_update_options();
        $batch = locale_translation_batch_update_build($list, [], $options);
        batch_set($batch);
      }
    }

    // Construct a batch to update configuration for all components. Installing
    // this component may have installed configuration from any number of other
    // components. Do this even if import is not enabled because parsing new
    // configuration may expose new source strings.
    \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
    if ($batch = locale_config_batch_update_components([])) {
      batch_set($batch);
    }
  }
}