Index: install.php
===================================================================
RCS file: /cvs/drupal/drupal/install.php,v
retrieving revision 1.52
diff -u -p -r1.52 install.php
--- install.php	17 May 2007 06:35:05 -0000	1.52
+++ install.php	21 May 2007 14:38:10 -0000
@@ -676,7 +676,7 @@ function install_tasks($profile, $task) 
       // Enable installation language as default site language.
       locale_add_language($install_locale, NULL, NULL, NULL, NULL, NULL, 1, TRUE);
       // Collect files to import for this language.
-      $batch = locale_batch_installer($install_locale);
+      $batch = locale_batch_by_language($install_locale);
       if (!empty($batch)) {
         // Start a batch, switch to 'locale-batch' task. We need to
         // set the variable here, because batch_process() redirects.
Index: includes/locale.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/locale.inc,v
retrieving revision 1.127
diff -u -p -r1.127 locale.inc
--- includes/locale.inc	21 May 2007 10:56:05 -0000	1.127
+++ includes/locale.inc	21 May 2007 14:38:11 -0000
@@ -289,6 +289,12 @@ function locale_languages_predefined_for
     locale_add_language($langcode);
     drupal_set_message(t('The language %language has been created and can now be used. More information is available on the <a href="@locale-help">help screen</a>.', array('%language' => t($predefined[$langcode][0]), '@locale-help' => url('admin/help/locale'))));
   }
+  
+  // See if we have language files to import for the newly added
+  // language, collect and import them.
+  if ($batch = locale_batch_by_language($langcode, '_locale_batch_language_finished')) {
+    batch_set($batch);
+  }
 
   $form_state['redirect'] = 'admin/settings/language';
   return;
@@ -835,7 +841,7 @@ function locale_translate_delete($lid) {
  * @param $default
  *   Optionall set this language to be the default.
  */
-function locale_add_language($langcode, $name = NULL, $native = NULL, $direction = LANGUAGE_LTR, $domain = '', $prefix = '', $enabled = FALSE, $default = FALSE) {
+function locale_add_language($langcode, $name = NULL, $native = NULL, $direction = LANGUAGE_LTR, $domain = '', $prefix = '', $enabled = TRUE, $default = FALSE) {
   // Default prefix on language code.
   if (empty($prefix)) {
     $prefix = $langcode;
@@ -2098,14 +2104,17 @@ function _locale_get_predefined_list() {
  */
 
 /**
- * Prepare a batch to use to import translations on install time.
+ * Prepare a batch to import translations for all enabled
+ * modules in a given language.
  *
  * @param $langcode
  *   Language code to import translations for.
+ * @param $finished
+ *   Optional finished callback for the batch.
  * @return
  *   A batch structure or FALSE if no files found.
  */
-function locale_batch_installer($langcode) {
+function locale_batch_by_language($langcode, $finished = '_locale_batch_installer_finished') {
 
   // Collect all files to import for all enabled modules and themes.
   $files = array();
@@ -2118,7 +2127,7 @@ function locale_batch_installer($langcod
     $files = array_merge($files, file_scan_directory(dirname($component->filename) .'/po/', '(^|\.)'. $langcode .'\.po$', array('.', '..', 'CVS'), 0, FALSE));
   }
 
-  return _locale_batch_build($files, '_locale_batch_installer_finished');
+  return _locale_batch_build($files, $finished);
 }
 
 /**
@@ -2127,7 +2136,7 @@ function locale_batch_installer($langcod
  * @param $files
  *   Array of files to import
  * @param $finished
- *   A finished callback to use for the batch
+ *   Optional finished callback for the batch.
  * @return
  *   A batch structure
  */
@@ -2168,8 +2177,10 @@ function _locale_batch_installer_finishe
  * @param $components
  *   An array of component (theme and/or module) names to import
  *   translations for.
+ * @param $finished
+ *   Optional finished callback for the batch.
  */
-function locale_batch_system($components) {
+function locale_batch_by_component($components, $finished = '_locale_batch_system_finished') {
   $files = array();
   $languages = language_list('enabled');
   unset($languages[1]['en']);
@@ -2186,7 +2197,7 @@ function locale_batch_system($components
         $files = array_merge($files, file_scan_directory(dirname($component->filename) .'/po/', '(^|\.)('. $language_list .')\.po$', array('.', '..', 'CVS'), 0, FALSE));
       }
     }
-    return _locale_batch_build($files, '_locale_batch_system_finished');
+    return _locale_batch_build($files, $finished);
   }
   return FALSE;
 }
Index: modules/locale/locale.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/locale/locale.module,v
retrieving revision 1.173
diff -u -p -r1.173 locale.module
--- modules/locale/locale.module	21 May 2007 10:56:05 -0000	1.173
+++ modules/locale/locale.module	21 May 2007 14:38:12 -0000
@@ -437,7 +437,7 @@ function locale_language_list($field = '
  */
 function locale_system_update($components) {
   include_once 'includes/locale.inc';
-  if ($batch = locale_batch_system($components)) {
+  if ($batch = locale_batch_by_component($components)) {
     batch_set($batch);
   }
 }
@@ -453,6 +453,16 @@ function _locale_batch_system_finished($
 }
 
 /**
+ * Finished callback of language addition locale import batch.
+ * Inform the user of translation files imported.
+ */
+function _locale_batch_language_finished($success, $results) {
+  if ($success) {
+    drupal_set_message(format_plural(count($results), 'One translation file imported for the enabled modules.', '@count translation files imported for the enabled modules.'));
+  }
+}
+
+/**
  * Perform interface translation import as a batch step.
  *
  * @param $filepath