CRM-11823 - D7 - Restore JS on upgrade screen

diff --git a/CRM/Utils/System/Base.php b/CRM/Utils/System/Base.php
index e6b0a8ef316fe9667996a7b7a8c1655605c6b921..ef07c218885b95d6f090f01ac5002c7b2f39b375 100644 (file)
--- a/CRM/Utils/System/Base.php
+++ b/CRM/Utils/System/Base.php
@@ -33,6 +33,9 @@ abstract class CRM_Utils_System_Base {
       if ($maintenance) {
         drupal_set_breadcrumb('');
         drupal_maintenance_theme();
+        if ($region = CRM_Core_Region::instance('html-header', FALSE)) {
+          CRM_Utils_System::addHTMLHead($region->render(''));
+        }
         print theme('maintenance_page', array('content' => $content));
         exit();
       }