Sheriffbot build fix. Don't emit empty lines on IRC.

* Scripts/webkitpy/tool/bot/irc_command.py:
(LastGreenRevision.execute):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@104760 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Tools/ChangeLog

+2012-01-11  Ryosuke Niwa  <rniwa@webkit.org>
+
+        Sheriffbot build fix. Don't emit empty lines on IRC.
+
+        * Scripts/webkitpy/tool/bot/irc_command.py:
+        (LastGreenRevision.execute):
+
 2012-01-11  Ryosuke Niwa  <rniwa@webkit.org>
 
         last-green-revision should report the revision that succeeded on all bots

Tools/Scripts/webkitpy/tool/bot/irc_command.py

@@ -59,7 +59,8 @@ class LastGreenRevision(IRCCommand):
             return "%s: Usage: last-green-revision BUILDER_NAME" % nick
         result = tool.buildbot.last_green_revision(' '.join(args))
         for line in result.split('\n'):
-            tool.irc().post("%s: %s" % (nick, line))
+            if line:
+                tool.irc().post("%s: %s" % (nick, line))
 
 
 class Restart(IRCCommand):