Ticket #22704: 22704-reactivate-plugins.3.patch.diff

wp-admin/includes/class-wp-upgrader.php

@@ -1697 +1697 @@
                         case 'plugin':
                                 $plugin_data = get_plugin_data( $context . '/' . $item );
                                 $item_name = $plugin_data['Name'];
+                                $reactivate_flag = is_plugin_active( $item );
                                 $skin->feedback( __( 'Updating plugin: %s' ), $item_name );
                                 break;
                         case 'language':
@@ -1722 +1723 @@
                         }
                 }
 
+                // Reactivate the plugin if it was active before
+                if ( 'plugin' == $type && $reactivate_flag && !is_plugin_active( $item ) ) {
+                        activate_plugin( $item, null, false, true );
+                }
+                
                 self::$upgrade_results[ $type ][] = (object) array(
                         'item'     => $item,
                         'result'   => $upgrade_result,