Upgraded to Symfony 2.1-beta2

app/upgrade.php

@@ -0,0 +1,23 @@
+<?php
+
+// This script is very conservative in what it uses to avoid breaks at all costs
+
+use Sensio\Bundle\DistributionBundle\Upgrade\Upgrade;
+use Symfony\Component\Console\Output\ConsoleOutput;
+
+// We don't use the app autoloader in case it is not up to date
+require_once __DIR__.'/../vendor/autoload.php';
+
+$upgrade = new Upgrade();
+$output = new ConsoleOutput();
+
+$skeletonDir = __DIR__.'/../vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/skeleton';
+
+$files = array(
+    __DIR__.'/console' => $skeletonDir.'/app/console',
+    __DIR__.'/autoload.php' => $skeletonDir.'/app/autoload.php',
+);
+
+foreach ($files as $file => $skeleton) {
+    $upgrade->outputConsoleDiff($output, $file, $skeleton);
+}