Move registration of background job to install/update

apps/files_sharing/appinfo/app.php

@@ -58,10 +58,6 @@ $application->setupPropagation();
 \OCP\Util::addScript('files_sharing', 'external');
 \OCP\Util::addStyle('files_sharing', 'sharetabview');
 
-// FIXME: registering a job here will cause additional useless SQL queries
-// when the route is not cron.php, needs a better way
-\OC::$server->getJobList()->add('OCA\Files_sharing\Lib\DeleteOrphanedSharesJob');
-
 \OC::$server->getActivityManager()->registerExtension(function() {
 		return new \OCA\Files_Sharing\Activity(
 			\OC::$server->query('L10NFactory'),

apps/files_sharing/appinfo/install.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+\OC::$server->getJobList()->add('OCA\Files_sharing\Lib\DeleteOrphanedSharesJob');

apps/files_sharing/appinfo/update.php

@@ -28,3 +28,4 @@ if (version_compare($installedVersion, '0.6.0', '<')) {
 	$m->addAcceptRow();
 }
 
+\OC::$server->getJobList()->add('OCA\Files_sharing\Lib\DeleteOrphanedSharesJob');

apps/files_sharing/appinfo/version

@@ -1 +1 @@
-0.6.2
+0.6.3