text: # Copyright (c) 2013 Google Inc. 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 disclaimer
  # in the documentation and/or other materials provided with the
  # distribution.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  import logging
  from optparse import make_option
  import time
  import traceback
  
  from webkitpy.common.config.irc import update_wait_seconds
  from webkitpy.tool.bot.commitannouncer import CommitAnnouncer, CommitAnnouncerThread
  from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
  
  _log = logging.getLogger(__name__)
  
  
  class CommitAnnouncerCommand(AbstractDeclarativeCommand):
      name = "commit-announcer"
      help_text = "Start an IRC bot for announcing new git commits."
      show_in_main_help = True
  
      def __init__(self):
          options = [
              make_option("--irc-password", default=None, help="Specify IRC password to use."),
          ]
          AbstractDeclarativeCommand.__init__(self, options)
  
      def execute(self, options, args, tool):
          bot_thread = CommitAnnouncerThread(tool, options.irc_password)
          bot_thread.start()
          _log.info("Bot started")
          try:
              while bot_thread.is_alive():
                  bot_thread.bot.post_new_commits()
                  time.sleep(update_wait_seconds)
          except KeyboardInterrupt:
              _log.error("Terminated by keyboard interrupt")
          except Exception, e:
              _log.error("Unexpected error:")
              _log.error(traceback.format_exc())
  
          if bot_thread.is_alive():
              _log.info("Disconnecting bot")
              bot_thread.stop()
          else:
              _log.info("Bot offline")
          _log.info("Done")
  