From 98ffbeb8f577b80f85e0f8c8d73711a9391a3ea0 Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Fri, 29 Jul 2011 14:55:41 +0100
Subject: [PATCH] Make the check for a valid git repo better

Because the new installer creates the .git directory when it installs.
---
 Library/Homebrew/cmd/update.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index 7eac0b3896..e477bc7dc4 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -86,7 +86,7 @@ class RefreshBrew
   end
 
   def git_repo?
-    File.directory? '.git'
+    Dir['.git/*'].count > 0
   end
 
   def pending_formulae_changes?