From b8ef96e9ba4e627040af3c844c59a6f385c89bea Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Fri, 25 Jan 2013 08:14:09 +0100
Subject: [PATCH] [Finder] fixed regression in the Finder component (it was
 possible to use it without using exec before, closes #6357)

---
 src/Symfony/Component/Finder/Shell/Shell.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Finder/Shell/Shell.php b/src/Symfony/Component/Finder/Shell/Shell.php
index a03e64366db66..0b01636c38c13 100644
--- a/src/Symfony/Component/Finder/Shell/Shell.php
+++ b/src/Symfony/Component/Finder/Shell/Shell.php
@@ -52,7 +52,11 @@ public function testCommand($command)
     {
         if (self::TYPE_WINDOWS === $this->type) {
             // todo: find a way to test if windows command exists
-            return true;
+            return false;
+        }
+
+        if (!function_exists('exec')) {
+            return false;
         }
 
         // todo: find a better way (command could not be available)