From a0a9536d90ce50cd7a07f5b25c3f49dc06d660d3 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Thu, 21 Mar 2013 16:00:45 +0100
Subject: [PATCH] Avoid failing if COMPOSER env var is empty, refs #1720

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

diff --git a/src/Composer/Factory.php b/src/Composer/Factory.php
index 5014b3724..e9b7fbe55 100644
--- a/src/Composer/Factory.php
+++ b/src/Composer/Factory.php
@@ -118,7 +118,7 @@ class Factory
 
     public static function getComposerFile()
     {
-        return getenv('COMPOSER') ?: 'composer.json';
+        return trim(getenv('COMPOSER')) ?: 'composer.json';
     }
 
     public static function createAdditionalStyles()