From cb28a0f477734392fea9b51c8ebc6856a973bbd2 Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Thu, 17 Sep 2009 18:26:31 +0100
Subject: [PATCH] Error out if a git command fails during update

---
 Library/Homebrew/refresh_brew.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/refresh_brew.rb b/Library/Homebrew/refresh_brew.rb
index fb906a44be..0f036d42a8 100644
--- a/Library/Homebrew/refresh_brew.rb
+++ b/Library/Homebrew/refresh_brew.rb
@@ -38,10 +38,11 @@ class RefreshBrew
   
   def execute(cmd)
     out = `#{cmd}`
-    if ARGV.verbose?
-      ohai cmd
+    unless $?.success?
       puts out
+      raise "Failed while executing #{cmd}" 
     end
+    ohai(cmd, out) if ARGV.verbose?
     out
   end