Add --debug option to cbuildbot for developers to use cbuildbot without pushing changes.

bin/cbuildbot.py

 #!/usr/bin/python
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """CBuildbot is wrapper around the build process used by the pre-flight queue"""
 
 import errno
 import re
@@ skipping 377 matching lines @@
   parser = optparse.OptionParser(usage=usage)
   parser.add_option('-r', '--buildroot',
                     help='root directory where build occurs', default=".")
   parser.add_option('-n', '--buildnumber',
                     help='build number', type='int', default=0)
   parser.add_option('-f', '--revisionfile',
                     help='file where new revisions are stored')
   parser.add_option('--clobber', action='store_true', dest='clobber',
                     default=False,
                     help='Clobbers an old checkout before syncing')
+  parser.add_option('--debug', action='store_true', dest='debug',
+                    default=False,
+                    help='Override some options to run as a developer.')
   (options, args) = parser.parse_args()
 
   buildroot = options.buildroot
   revisionfile = options.revisionfile
 
   # Passed option to clobber.
   if options.clobber:
     RunCommand(['sudo', 'rm', '-rf', buildroot])
 
   if len(args) >= 1:
@@ skipping 26 matching lines @@
     if buildconfig['unittests']:
       _RunUnitTests(buildroot)
 
     _BuildImage(buildroot)
 
     if buildconfig['smoke_bvt']:
       _BuildVMImageForTesting(buildroot)
       _RunSmokeSuite(buildroot)
 
     if buildconfig['uprev']:
-      if buildconfig['master']:
-        # Master bot needs to check if the other slaves completed.
-        if cbuildbot_comm.HaveSlavesCompleted(config):
-          _UprevPush(buildroot)
-          _UprevCleanup(buildroot)
+      # Don't push changes for developers.
+      if options.debug:
+        if buildconfig['master']:
+          # Master bot needs to check if the other slaves completed.
+          if cbuildbot_comm.HaveSlavesCompleted(config):
+            _UprevPush(buildroot)
+          else:
+            # At least one of the slaves failed or we timed out.
+            _UprevCleanup(buildroot)
+            Die('CBUILDBOT - One of the slaves has failed!!!')
+
         else:
-          # At least one of the slaves failed or we timed out.
-          _UprevCleanup(buildroot)
-          Die('CBUILDBOT - One of the slaves has failed!!!')
-      else:
-        # Publish my status to the master if its expecting it.
-        if buildconfig['important']:
-          cbuildbot_comm.PublishStatus(cbuildbot_comm.STATUS_BUILD_COMPLETE)
+          # Publish my status to the master if its expecting it.
+          if buildconfig['important']:
+            cbuildbot_comm.PublishStatus(cbuildbot_comm.STATUS_BUILD_COMPLETE)
 
-        _UprevCleanup(buildroot)
+      _UprevCleanup(buildroot)
   except:
     # Send failure to master bot.
     if not buildconfig['master'] and buildconfig['important']:
       cbuildbot_comm.PublishStatus(cbuildbot_comm.STATUS_BUILD_FAILED)
 
     raise
 
 
 if __name__ == '__main__':
     main()