From c959b37227e1ee8af932dac3ef5827ea9680f79c Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Fri, 9 Sep 2011 09:24:03 +0100
Subject: The doctor notices modifications to Homebrew core

Refs Homebrew/homebrew#7525.
---
 Library/Homebrew/cmd/doctor.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 4f971791c..743c94fa5 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -749,6 +749,13 @@ def check_missing_deps
   end
 end
 
+def check_git_status
+  if system "/usr/bin/which -s git" and not `git status -s #{HOMEBREW_PREFIX}/Library/Homebrew`.empty?
+    ohai "You have uncommitted modifications to Homebrew core"
+    puts "Unless you know what you are doing, you should: git reset --hard"
+  end
+end
+
 module Homebrew extend self
   def doctor
     old_stdout = $stdout
@@ -791,6 +798,7 @@ module Homebrew extend self
       check_for_other_frameworks
       check_tmpdir
       check_missing_deps
+      check_git_status
     ensure
       $stdout = old_stdout
     end
-- 
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