From 4b5375f4c07b4d29462820f52aeca42ef204f805 Mon Sep 17 00:00:00 2001
From: Niels Keurentjes <niels.keurentjes@omines.com>
Date: Wed, 13 Apr 2016 23:53:27 +0200
Subject: [PATCH] Need legacy patch for older hardcoded behaviour in handling
 HOME/USERPROFILE env variables.

---
 src/Composer/Util/Platform.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Composer/Util/Platform.php b/src/Composer/Util/Platform.php
index 71aa028c5..7e0bf1dab 100644
--- a/src/Composer/Util/Platform.php
+++ b/src/Composer/Util/Platform.php
@@ -31,6 +31,10 @@ class Platform
             return self::getUserDirectory() . substr($path, 1);
         }
         return preg_replace_callback('#^([\\$%])(\\w+)\\1?(([/\\\\].*)?)#', function($matches) {
+            // Treat HOME as an alias for USERPROFILE on Windows for legacy reasons
+            if (Platform::isWindows() && $matches[2] == 'HOME') {
+                return (getenv('HOME') ?: getenv('USERPROFILE')) . $matches[3];
+            }
             return getenv($matches[2]) . $matches[3];
         }, $path);
     }