diff --git a/upgrade.php b/upgrade.php
new file mode 100644
index 0000000000..abdff1c9fb
--- /dev/null
+++ b/upgrade.php
@@ -0,0 +1,76 @@
+<?php
+
+/**
+* ownCloud
+*
+* @author Arthur Schiwon
+* @copyright 2013 Arthur Schiwon blizzz@owncloud.com
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library 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 along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+$RUNTIME_NOAPPS = true; //no apps, yet
+
+require_once 'lib/base.php';
+
+// Don't do anything if ownCloud has not been installed
+if(!OC_Config::getValue('installed', false)) {
+	exit(0);
+}
+
+$br = OC::$CLI ? PHP_EOL : '<br/>';
+
+if(OC::checkUpgrade(false)) {
+	$updater = new \OC\Updater();
+
+	$updater->listen('\OC\Updater', 'maintenanceStart', function () use ($br) {
+		echo 'Turned on maintenance mode'.$br;
+	});
+	$updater->listen('\OC\Updater', 'maintenanceEnd', function () use ($br) {
+		echo 'Turned off maintenance mode'.$br;
+	});
+		$updater->listen('\OC\Updater', 'dbUpgrade', function () use ($br) {
+		echo 'Updated database'.$br;
+	});
+	$updater->listen('\OC\Updater', 'filecacheStart', function () use ($br) {
+		echo 'Updating filecache, this may take really long...'.$br;
+	});
+	$updater->listen('\OC\Updater', 'filecacheDone', function () use ($br) {
+		echo 'Updated filecache'.$br;
+	});
+	$updater->listen('\OC\Updater', 'filecacheProgress', function ($out)
+		use ($br) {
+		echo '... ' . $out . '% done ...'.$br;
+	});
+
+	$updater->listen('\OC\Updater', 'failure', function ($message) use ($br) {
+		echo $message.$br;
+		OC_Config::setValue('maintenance', false);
+	});
+
+	$updater->upgrade();
+} else {
+	if(OC_Config::getValue('maintenance', false)) {
+		//Possible scenario: ownCloud core is updated but an app failed
+		echo 'ownCloud is in maintenance mode'.$br;
+		echo 'Maybe an upgrade is already in process. Please check the '
+			. 'logfile (data/owncloud.log). If you want to re-run the '
+			. 'upgrade procedure, remove the "maintenance mode" from '
+			. 'config.php and call this script again.'
+			.$br;
+	} else {
+		echo 'ownCloud is already latest version'.$br;
+	}
+}