From 8b4f826c3c8f93d780a5fc052d4934ba51b1fdaa Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Thu, 21 May 2009 17:54:31 +0100
Subject: [PATCH] --debug mode Allows packager to salvage a failed build

---
 Cellar/homebrew/brewkit.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Cellar/homebrew/brewkit.rb b/Cellar/homebrew/brewkit.rb
index 3c1df89d81..96c653767b 100644
--- a/Cellar/homebrew/brewkit.rb
+++ b/Cellar/homebrew/brewkit.rb
@@ -81,6 +81,15 @@ class Formula
             #TODO maybe README, etc. to versioned root
           end
         end
+      rescue
+        if ARGV.include? '--debug'
+          # debug mode allows the packager to intercept a failed build and
+          # investigate the problems
+          puts "Rescued build at: #{tmp}"
+          exit! 1
+        else
+          raise
+        end
       ensure
         FileUtils.rm_rf tmp
       end