From 1df6e5d3312590d0996b5e38f857c338f46cddc8 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Tue, 25 Aug 2015 17:32:39 +0800
Subject: [PATCH] Formula#file_modfiled?: remove unnecessary git dir check

It's already covered by `$?.exitstatus == 0` in below.
---
 Library/Homebrew/formula.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 0e3830e1f5..7ec035dd79 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -765,10 +765,8 @@ class Formula
   end
 
   def file_modified?
-    # New Homebrew installs may not be a git repo yet
-    return false unless File.exist? "#{HOMEBREW_PREFIX}/.git"
-
     git = which("git")
+
     # git isn't installed by older Xcodes
     return false if git.nil?