From 84ad47bc3c8029847e5c41ab4646a6b9455b370a Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Wed, 3 Jun 2009 19:19:23 +0100
Subject: [PATCH] Don't bail if prefix is invalid

Git Formula doesn't build anything from a formula, so allow this usage.
It feels dirty though :(
---
 Cellar/homebrew/brewkit.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Cellar/homebrew/brewkit.rb b/Cellar/homebrew/brewkit.rb
index defdb02f05..ae6879e730 100644
--- a/Cellar/homebrew/brewkit.rb
+++ b/Cellar/homebrew/brewkit.rb
@@ -158,7 +158,6 @@ public
         tmp=`mktemp -dt #{File.basename @url}`.strip
         Dir.chdir tmp do
           Dir.chdir uncompress(tgz) do
-            prefix.mkpath
             yield self
             if caveats
               ohai "Caveats"
@@ -185,6 +184,14 @@ public
 
       ohai 'Finishing up'
 
+      begin
+        prefix
+      rescue RuntimeError
+        # you can have packages that aren't for installing, see git
+        # this is a HACK though, and dirty, and not right
+        return
+      end
+
       prefix.find do |path|
         if path==prefix #rubysucks
           next