From c5dcedd0db1b4f8576973b016ecc73be1c34492c Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 28 Dec 2016 17:34:27 +0100
Subject: [PATCH] Hide warning when xdebug is explicitly allowed

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

diff --git a/src/Composer/Console/Application.php b/src/Composer/Console/Application.php
index a2165ea76..076e88419 100644
--- a/src/Composer/Console/Application.php
+++ b/src/Composer/Console/Application.php
@@ -166,7 +166,7 @@ class Application extends BaseApplication
                 $io->writeError('<warning>Composer only officially supports PHP 5.3.2 and above, you will most likely encounter problems with your PHP '.PHP_VERSION.', upgrading is strongly recommended.</warning>');
             }
 
-            if (extension_loaded('xdebug') && !getenv('COMPOSER_DISABLE_XDEBUG_WARN')) {
+            if (extension_loaded('xdebug') && !getenv('COMPOSER_DISABLE_XDEBUG_WARN') || getenv('COMPOSER_ALLOW_XDEBUG')) {
                 $io->writeError('<warning>You are running composer with xdebug enabled. This has a major impact on runtime performance. See https://getcomposer.org/xdebug</warning>');
             }