Fix support for --bot bot1,bot2 -t foo

trychange.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Client-side script to send a try job to the try server. It communicates to
 the try server by either writting to a svn repository or by directly connecting
 to the server by HTTP.
 """
 
@@ skipping 297 matching lines @@
     values.append(('issue', options.issue))
   if options.patchset:
     values.append(('patchset', options.patchset))
   if options.target:
     values.append(('target', options.target))
   if options.project:
     values.append(('project', options.project))
 
   filters = ','.join(options.testfilter)
   if filters:
-    for bot in options.bot:
-      if ':' in bot:
-        raise ValueError(
-            'Can\'t use both --testfilter and --bot builder:test formats '
-            'at the same time')
-      else:
-        values.append(('bot', '%s:%s' % (bot, filters)))
+    for botlist in options.bot:
+      for bot in botlist.split(','):
+        if ':' in bot:
+          raise ValueError(
+              'Can\'t use both --testfilter and --bot builder:test formats '
+              'at the same time')
+        else:
+          values.append(('bot', '%s:%s' % (bot, filters)))
   else:
     for bot in options.bot:
       values.append(('bot', bot))
   return values
 
 
 def _SendChangeHTTP(options):
   """Send a change to the try server using the HTTP protocol."""
   if not options.host:
     raise NoTryServerAccess('Please use the --host option to specify the try '
@@ skipping 502 matching lines @@
     return 1
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, e
     return 1
   return 0
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   sys.exit(TryChange(None, None, False))