Make merge script bypass hooks on upload.

tools/push-to-trunk/merge_to_branch.py

 #!/usr/bin/env python
 # Copyright 2014 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 291 matching lines @@
 
   def _ProcessOptions(self, options):
     # TODO(machenbach): Add a test that covers revert from bleeding_edge
     if len(options.revisions) < 1:
       if not options.patch:
         print "Either a patch file or revision numbers must be specified"
         return False
       if not options.message:
         print "You must specify a merge comment if no patches are specified"
         return False
+    options.bypass_upload_hooks = True
     return True
 
   def _Steps(self):
     return [
       Preparation,
       CreateBranch,
       SearchArchitecturePorts,
       FindGitRevisions,
       ApplyPatches,
       PrepareVersion,
       IncrementVersion,
       CommitLocal,
       UploadStep,
       CommitRepository,
       PrepareSVN,
       TagRevision,
       CleanUp,
     ]
 
 
 if __name__ == "__main__":  # pragma: no cover
   sys.exit(MergeToBranch(CONFIG).Run())