From e4015d5cc323feb912188a30d4400382d9d96e33 Mon Sep 17 00:00:00 2001
From: Hidde Boomsma <hboomsma@hostnet.nl>
Date: Thu, 31 Dec 2015 09:33:31 +0100
Subject: [PATCH] bug #14246 [Filesystem] dumpFile() non atomic

---
 src/Symfony/Component/Filesystem/Filesystem.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 1b6eaa68cd..eca36bff19 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -477,9 +477,9 @@ class Filesystem
             throw new IOException(sprintf('Failed to write file "%s".', $filename));
         }
 
-        $this->rename($tmpFile, $filename, true);
         if (null !== $mode) {
-            $this->chmod($filename, $mode);
+            $this->chmod($tmpFile, $mode);
         }
+        $this->rename($tmpFile, $filename, true);
     }
 }