From 2d804ae43661ee1ef608b0d0ac1a3fd68ac124f5 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sat, 24 Sep 2016 16:05:18 +0100
Subject: [PATCH] brew.sh: change directory for HOMEBREW_VERSION.

This stops `-dirty` showing up whenever you aren't in
`HOMEBREW_REPOSITORY`.

Fixes #1108.
---
 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 d2c8219724..22ebb87edb 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -1,4 +1,4 @@
-HOMEBREW_VERSION="$(GIT_DIR="$HOMEBREW_REPOSITORY/.git" git describe --tags --dirty 2>/dev/null)"
+HOMEBREW_VERSION="$(git -C "$HOMEBREW_REPOSITORY" describe --tags --dirty 2>/dev/null)"
 if [[ -z "$HOMEBREW_VERSION" ]]
 then
   HOMEBREW_VERSION=">1.0.0 (no git repository)"