From 5af52410abbc2a93fbaf57fc7d8637ed5eaa469f Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Thu, 22 Sep 2016 21:46:11 +0100
Subject: [PATCH] brew.sh: fix brew --version outside HOMEBREW_REPOSITORY.

---
 Library/Homebrew/brew.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index e4c1e700a1..d2c8219724 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -1,4 +1,4 @@
-HOMEBREW_VERSION="$(git describe --tags --dirty 2>/dev/null)"
+HOMEBREW_VERSION="$(GIT_DIR="$HOMEBREW_REPOSITORY/.git" git describe --tags --dirty 2>/dev/null)"
 if [[ -z "$HOMEBREW_VERSION" ]]
 then
   HOMEBREW_VERSION=">1.0.0 (no git repository)"