From 5dd35c590e3768c0fb0796191ca52d3dd3871221 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lu=C3=ADs=20Faceira?= <luis.faceira@beubi.com>
Date: Wed, 9 Dec 2015 18:18:39 +0000
Subject: [PATCH] Escaped git --reference argument

---
 src/Composer/Downloader/GitDownloader.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Downloader/GitDownloader.php b/src/Composer/Downloader/GitDownloader.php
index c6767d2fe..261cdf3af 100644
--- a/src/Composer/Downloader/GitDownloader.php
+++ b/src/Composer/Downloader/GitDownloader.php
@@ -43,7 +43,7 @@ class GitDownloader extends VcsDownloader implements DvcsDownloaderInterface
         GitUtil::cleanEnv();
         $path = $this->normalizePath($path);
         $cachePath = $this->config->get('cache-vcs-dir').'/'.preg_replace('{[^a-z0-9.]}i', '-', $url).'/';
-        $cacheOptions = file_exists($cachePath) ? $cacheOptions = '--reference '.$cachePath.' ' : '';
+        $cacheOptions = file_exists($cachePath) ? '--reference '.ProcessExecutor::escape($cachePath).' ' : '';
 
         $ref = $package->getSourceReference();
         $flag = Platform::isWindows() ? '/D ' : '';