diff --git a/core/command/upgrade.php b/core/command/upgrade.php
new file mode 100644
index 00000000000..1d105b67a06
--- /dev/null
+++ b/core/command/upgrade.php
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Copyright (c) 2013 Owen Winkler <ringmaster@midnightcircus.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Core\Command;
+
+use OC\Updater;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Upgrade extends Command {
+
+	const ERROR_SUCCESS = 0;
+	const ERROR_NOT_INSTALLED = 1;
+	const ERROR_MAINTENANCE_MODE = 2;
+	const ERROR_UP_TO_DATE = 3;
+
+	protected function configure() {
+		$this
+			->setName('upgrade')
+			->setDescription('run upgrade routines')
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output) {
+		global $RUNTIME_NOAPPS;
+
+		$RUNTIME_NOAPPS = true; //no apps, yet
+
+		require_once \OC::$SERVERROOT . '/lib/base.php';
+
+		// Don't do anything if ownCloud has not been installed
+		if(!\OC_Config::getValue('installed', false)) {
+			$output->writeln('<error>ownCloud has not yet been installed</error>');
+			return self::ERROR_NOT_INSTALLED;
+		}
+
+		if(\OC::checkUpgrade(false)) {
+			$updater = new Updater();
+
+			$updater->listen('\OC\Updater', 'maintenanceStart', function () use($output) {
+				$output->writeln('<info>Turned on maintenance mode</info>');
+			});
+			$updater->listen('\OC\Updater', 'maintenanceEnd', function () use($output) {
+				$output->writeln('<info>Turned off maintenance mode</info>');
+				$output->writeln('<info>Update successful</info>');
+			});
+			$updater->listen('\OC\Updater', 'dbUpgrade', function () use($output) {
+				$output->writeln('<info>Updated database</info>');
+			});
+			$updater->listen('\OC\Updater', 'filecacheStart', function () use($output) {
+				$output->writeln('<info>Updating filecache, this may take really long...</info>');
+			});
+			$updater->listen('\OC\Updater', 'filecacheDone', function () use($output) {
+				$output->writeln('<info>Updated filecache</info>');
+			});
+			$updater->listen('\OC\Updater', 'filecacheProgress', function ($out) use($output) {
+				$output->writeln('... ' . $out . '% done ...');
+			});
+
+			$updater->listen('\OC\Updater', 'failure', function ($message) use($output) {
+				$output->writeln($message);
+				\OC_Config::setValue('maintenance', false);
+			});
+
+			$updater->upgrade();
+			return self::ERROR_SUCCESS;
+		} else if(\OC_Config::getValue('maintenance', false)) {
+			//Possible scenario: ownCloud core is updated but an app failed
+			$output->writeln('<warning>ownCloud is in maintenance mode</warning>');
+			$output->write('<comment>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.</comment>'
+				, true);
+			return self::ERROR_MAINTENANCE_MODE;
+		} else {
+			$output->writeln('<info>ownCloud is already latest version</info>');
+			return self::ERROR_UP_TO_DATE;
+		}
+	}
+}
diff --git a/core/register_command.php b/core/register_command.php
index 683e7ae1833..cfea1a6b888 100644
--- a/core/register_command.php
+++ b/core/register_command.php
@@ -9,3 +9,4 @@
 /** @var $application Symfony\Component\Console\Application */
 $application->add(new OC\Core\Command\Status);
 $application->add(new OC\Core\Command\Db\GenerateChangeScript());
+$application->add(new OC\Core\Command\Upgrade());
diff --git a/upgrade.php b/upgrade.php
deleted file mode 100644
index 518b514cd8a..00000000000
--- a/upgrade.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?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'.$br;
-		echo 'Update successful'.$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;
-	}
-}