dont try to register background jobs if we haven't upgraded yet

lib/base.php

@@ -176,7 +176,8 @@ class OC {
 
 	public static function checkConfig() {
 		if (file_exists(OC::$SERVERROOT . "/config/config.php")
-			and !is_writable(OC::$SERVERROOT . "/config/config.php")) {
+			and !is_writable(OC::$SERVERROOT . "/config/config.php")
+		) {
 			$defaults = new OC_Defaults();
 			if (self::$CLI) {
 				echo "Can't write into config directory!\n";
@@ -254,11 +255,23 @@ class OC {
 		}
 	}
 
-	public static function checkUpgrade($showTemplate = true) {
+	/**
+	 * check if the instance needs to preform an upgrade
+	 *
+	 * @return bool
+	 */
+	public static function needUpgrade() {
 		if (OC_Config::getValue('installed', false)) {
 			$installedVersion = OC_Config::getValue('version', '0.0.0');
 			$currentVersion = implode('.', OC_Util::getVersion());
-			if (version_compare($currentVersion, $installedVersion, '>')) {
+			return version_compare($currentVersion, $installedVersion, '>');
+		} else {
+			return false;
+		}
+	}
+
+	public static function checkUpgrade($showTemplate = true) {
+		if (self::needUpgrade()) {
 			if ($showTemplate && !OC_Config::getValue('maintenance', false)) {
 				OC_Config::setValue('theme', '');
 				$minimizerCSS = new OC_Minimizer_CSS();
@@ -277,7 +290,6 @@ class OC {
 		}
 		return false;
 	}
-	}
 
 	public static function initTemplateEngine() {
 		// Add the stuff we need always
@@ -602,13 +614,9 @@ class OC {
 	 * register hooks for the cache
 	 */
 	public static function registerCacheHooks() {
-		if (OC_Config::getValue('installed', false)) { //don't try to do this before we are properly setup
+		if (OC_Config::getValue('installed', false) && !self::needUpgrade()) { //don't try to do this before we are properly setup
-			// register cache cleanup jobs
-			try { //if this is executed before the upgrade to the new backgroundjob system is completed it will throw an exception
 			\OCP\BackgroundJob::registerJob('OC\Cache\FileGlobalGC');
-			} catch (Exception $e) {
 
-			}
 			// NOTE: This will be replaced to use OCP
 			$userSession = \OC_User::getUserSession();
 			$userSession->listen('postLogin', '\OC\Cache\File', 'loginListener');
@@ -619,14 +627,9 @@ class OC {
 	 * register hooks for the cache
 	 */
 	public static function registerLogRotate() {
-		if (OC_Config::getValue('installed', false) && OC_Config::getValue('log_rotate_size', false)) {
+		if (OC_Config::getValue('installed', false) && OC_Config::getValue('log_rotate_size', false) && !self::needUpgrade()) {
 			//don't try to do this before we are properly setup
-			// register cache cleanup jobs
-			try { //if this is executed before the upgrade to the new backgroundjob system is completed it will throw an exception
 			\OCP\BackgroundJob::registerJob('OC\Log\Rotate', OC_Config::getValue("datadirectory", OC::$SERVERROOT . '/data') . '/owncloud.log');
-			} catch (Exception $e) {
-
-			}
 		}
 	}
 
@@ -794,12 +797,10 @@ class OC {
 		// auth possible via apache module?
 		if (OC::tryApacheAuth()) {
 			$error[] = 'apacheauthfailed';
-		}
+		} // remember was checked after last login
-		// remember was checked after last login
 		elseif (OC::tryRememberLogin()) {
 			$error[] = 'invalidcookie';
-		}
+		} // logon via web form
-		// logon via web form
 		elseif (OC::tryFormLogin()) {
 			$error[] = 'invalidpassword';
 			if ( OC_Config::getValue('log_authfailip', false) ) {

lib/public/backgroundjob.php

@@ -45,6 +45,7 @@ use \OC\BackgroundJob\JobList;
 class BackgroundJob {
 	/**
 	 * get the execution type of background jobs
+	 *
 	 * @return string
 	 *
 	 * This method returns the type how background jobs are executed. If the user
@@ -56,6 +57,7 @@ class BackgroundJob {
 
 	/**
 	 * sets the background jobs execution type
+	 *
 	 * @param string $type execution type
 	 * @return boolean
 	 *
@@ -83,9 +85,11 @@ class BackgroundJob {
 	 * @return true
 	 */
 	public static function addRegularTask($klass, $method) {
+		if (!\OC::needUpgrade()) {
 			self::registerJob('OC\BackgroundJob\Legacy\RegularJob', array($klass, $method));
 			return true;
 		}
+	}
 
 	/**
 	 * @deprecated