Patch to trac-bitten-slave to enable notifications on 1st success after failure, and hacky hacky IRC announcements

bitten-notifications.patch

--- bitten/notify.py.orig  2010-10-21 00:00:00.000000000 -0400
+++ bitten/notify.py       2012-05-22 12:41:56.088838001 -0400
@@ -27,6 +27,10 @@
             'notify_on_successful_build', 'false',
             """Notify if bitten build succeeds.""")

+    notify_on_success_after_failure = BoolOption('notification',
+            'notify_on_successful_build_after_failure', 'false',
+            '''Notify if bitten build succeeds after a build failed.''')
+
     def __init__(self):
         self.log.debug('Initializing BittenNotify plugin')

@@ -47,6 +51,9 @@
         if build.status == Build.FAILURE:
             return self.notify_on_failure
         elif build.status == Build.SUCCESS:
+            prev_build = Build.fetch(build.env, build.id-1)
+            if prev_build is not None and prev_build.status == Build.FAILURE:
+                return self.notify_on_success_after_failure
             return self.notify_on_success
         else:
             return False
@@ -104,10 +111,21 @@
                                              self.build.rev,
                                              self.build.config)
         NotifyEmail.notify(self, self.build.id, subject)
+        # One half of IRC notifications: write them to a file.
+        # The other half is Supybot's Tail plugin that watches that file.
+        try:
+            with open('/home/irc-bot/announcements', 'a') as f:
+                f.write('%s, %s: %s\n' % (self.get_author(), subject, self.build_link()))
+        except Exception, e:
+            self.log.exception("Failure writing announcement for build "
+                               "%s: %s", build.id, e)

     def get_recipients(self, resid):
         to = [self.get_author()]
-        cc = []
+        if self.config.has_option('notification', 'notify_cc'):
+            cc = self.config.get('notification', 'notify_cc').split(',')
+        else:
+            cc = []
         return (to, cc)

     def send(self, torcpts, ccrcpts):