From 9fd2a1e5d816d7d5259cc9718f7f6ba8f99bed86 Mon Sep 17 00:00:00 2001
From: Christoph Otto <christoph_git@mksig.org>
Date: Wed, 29 Sep 2010 23:04:24 -0700
Subject: [PATCH] be a little more paranoid about db corruption

---
 github/github.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/github/github.py b/github/github.py
index 42839b5..9fe6765 100644
--- a/github/github.py
+++ b/github/github.py
@@ -247,10 +247,12 @@ def processChangesetURL(self, req):
                 i = commit_data[0]
                 url = i['hash']
                 self.env.log.debug("mapping svn revision %s to github hash %s" % (svn_rev, url));
-            else:
+            elif len(commit_data) == 0:
                 self.env.log.debug("couldn't map svn revision %s", svn_rev);
                 req.redirect(self.browser)
-            #XXX: fail gracefully if it doesn't exist
+            else:
+                self.env.log.debug("svn revision maps to multiple git commit ids.  This shouldn't happen.")
+                req.redirect(self.browser)
 
         if not url:
             browser = self.browser