From 111ab78d7d2831d97b4c9fe8750ecc3d370b164d Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@canonical.com>
Date: Wed, 12 Jun 2013 15:55:04 +0100
Subject: [PATCH] Apply undo list in reverse order; in rare cases with hints
 with overlapping virtual packages provided by different sources, this can
 make a difference.

---
 britney.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/britney.py b/britney.py
index 72f02f8..2457de6 100755
--- a/britney.py
+++ b/britney.py
@@ -2412,6 +2412,7 @@ class Britney(object):
         else:
             self.output_write("FAILED\n")
             if not lundo: return
+            lundo.reverse()
 
             self.undo_changes(lundo, self.systems, self.sources, self.binaries)