From 26bb778b34b93537cfbfd5c556d3810f2cf3f76e Mon Sep 17 00:00:00 2001
From: Piotr Gaczkowski <DoomHammerNG@gmail.com>
Date: Wed, 17 Aug 2016 22:13:25 +0200
Subject: [PATCH] use $GIT_DIR when set

---
 git/repo/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/git/repo/base.py b/git/repo/base.py
index 57f87df6c..312c01eff 100644
--- a/git/repo/base.py
+++ b/git/repo/base.py
@@ -141,7 +141,7 @@ def __init__(self, path=None, odbt=DefaultDBType, search_parent_directories=Fals
         self.working_dir = None
         self._working_tree_dir = None
         self.git_dir = None
-        curpath = epath
+        curpath = os.getenv('GIT_DIR', epath)
 
         # walk up the path to find the .git dir
         while curpath: