diff --git a/core/modules/locale/locale.bulk.inc b/core/modules/locale/locale.bulk.inc
index 53dd5db..5f03304 100644
--- a/core/modules/locale/locale.bulk.inc
+++ b/core/modules/locale/locale.bulk.inc
@@ -266,6 +266,65 @@ function locale_translate_export_form_submit($form, &$form_state) {
 }
 
 /**
+ * Prepare a batch to import all translations.
+ *
+ * @param array $options
+ *   An array with options that can have the following elements:
+ *   - 'langcode': The language code. Optional, defaults to NULL, which means
+ *     that the language will be detected from the name of the files.
+ *   - 'overwrite_options': Overwrite options array as defined in
+ *     Drupal\locale\PoDatabaseWriter. Optional, defaults to an empty array.
+ *   - 'customized': Flag indicating whether the strings imported from $file
+ *     are customized translations or come from a community source. Use
+ *     LOCALE_CUSTOMIZED or LOCALE_NOT_CUSTOMIZED. Optional, defaults to
+ *     LOCALE_NOT_CUSTOMIZED.
+ *   - 'finish_feedback': Whether or not to give feedback to the user when the
+ *     batch is finished. Optional, defaults to TRUE.
+ *
+ * @param $force
+ *   (optional) Import all available files, even if they were imported before.
+ *
+ * @todo
+ *   Integrate with update status to identify projects needed and integrate
+ *   l10n_update functionality to feed in translation files alike.
+ *   See http://drupal.org/node/1191488.
+ */
+function locale_translate_batch_import_files($options, $force = FALSE) {
+  $options += array(
+    'overwrite_options' => array(),
+    'customized' => LOCALE_NOT_CUSTOMIZED,
+    'finish_feedback' => TRUE,
+  );
+
+  if (!empty($options['langcode'])) {
+    $langcodes = array($options['langcode']);
+  }
+  else {
+    // If langcode was not provided, make sure to only import files for the
+    // languages we have enabled.
+    $langcodes = array_keys(language_list());
+  }
+
+  $files = locale_translate_get_interface_translation_files(array(), $langcodes);
+
+  if (!$force) {
+    $result = db_select('locale_file', 'lf')
+      ->fields('lf', array('langcode', 'uri', 'timestamp'))
+      ->condition('langcode', $langcodes)
+      ->execute()
+      ->fetchAllAssoc('uri');
+    foreach ($result as $uri => $info) {
+      if (isset($files[$uri]) && filemtime($uri) <= $info->timestamp) {
+        // The file is already imported and not changed since the last import.
+        // Remove it from file list and don't import it again.
+        unset($files[$uri]);
+      }
+    }
+  }
+  return locale_translate_batch_build($files, $options);
+}
+
+/**
  * Get interface translation files present in the translations directory.
  *
  * @param array $projects