[jhbuild] [buildbot] don't trigger builds on deleted branches

[Frederic Peters <fpeters src gnome org>]

commit 23a20dd887df90bc08336c1f07bc01b4ffb48eb3
Author: Frédéric Péters <fpeters 0d be>
Date:   Mon Jan 10 14:39:09 2011 +0100

    [buildbot] don't trigger builds on deleted branches

 jhbuild/buildbot/changes.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/jhbuild/buildbot/changes.py b/jhbuild/buildbot/changes.py
index 98dc410..cb6791e 100644
--- a/jhbuild/buildbot/changes.py
+++ b/jhbuild/buildbot/changes.py
@@ -76,6 +76,10 @@ class GnomeMaildirSource(MaildirSource):
             # not a new git revision, may be a new tag, a new branch, etc.
             return None
 
+        if revision == '0000000000000000000000000000000000000000':
+            # probably a deleted branch, ignore
+            return None
+
         if m.get('X-Git-Refname', '').startswith('refs/tags/'):
             # ignore tags
             return None