Only check for apps owncloud version requirment when there is a new owncloud version

lib/app.php

@@ -495,26 +495,27 @@ class OC_App{
 				}
 			}
 		}
+	}
 
-		// check if the current enabled apps are compatible with the current ownCloud version. disable them if not.
-		// this is important if you upgrade ownCloud and have non ported 3rd party apps installed
+	/**
+	 * check if the current enabled apps are compatible with the current
+	 * ownCloud version. disable them if not.
+	 * This is important if you upgrade ownCloud and have non ported 3rd
+	 * party apps installed.
+	 */
+	public static function checkAppsRequirements($apps = array()){
+		if (empty($apps)) {
 			$apps = OC_App::getEnabledApps();
+		}
 		$version = OC_Util::getVersion();
 		foreach($apps as $app) {
-
 			// check if the app is compatible with this version of ownCloud
 			$info = OC_App::getAppInfo($app);
 			if(!isset($info['require']) or ($version[0]>$info['require'])){
 				OC_Log::write('core','App "'.$info['name'].'" can\'t be used because it is not compatible with this version of ownCloud',OC_Log::ERROR);
 				OC_App::disable( $app );
 			}
-
-
-
 		}
-
-
-
 	}
 
 	/**

lib/base.php

@@ -229,6 +229,7 @@ class OC{
 				}
 
 				OC_Config::setValue('version',implode('.',OC_Util::getVersion()));
+				OC_App::checkAppsRequirements();
 			}
 
 			OC_App::updateApps();