From 7f94fc7f73d5db1d36359423b2dba03dd7732943 Mon Sep 17 00:00:00 2001
From: Bernhard Schussek <bernhard.schussek@symfony-project.com>
Date: Tue, 22 Jun 2010 21:01:18 +0200
Subject: [PATCH] [Routing] Fixed fatal error when the permission to write
 cache files was denied

---
 src/Symfony/Components/Routing/Router.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Components/Routing/Router.php b/src/Symfony/Components/Routing/Router.php
index edc0889bc2..af95b929c3 100644
--- a/src/Symfony/Components/Routing/Router.php
+++ b/src/Symfony/Components/Routing/Router.php
@@ -254,7 +254,10 @@ class Router implements RouterInterface
             throw new \RuntimeException(sprintf('Failed to write cache file "%s" (cache corrupted).', $tmpFile));
         }
 
-        @rename($tmpFile, $file);
+        if (!@rename($tmpFile, $file)) {
+            throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
+        }
+
         chmod($file, 0644);
     }
 }