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#!/usr/bin/env python
# Copyright (c) 2013 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.
"""Prepare Performance Test Bisect Tool
This script is used by a trybot to create a working directory and sync an
initial copy of the depot for use in bisecting performance regressions.
An example usage:
./tools/prepare-bisect-perf-regressions.py --working_directory "~/builds"
--output_buildbot_annotations
Would result in creating ~/builds/bisect and then populating it with a copy of
the depot.
"""
import optparse
import sys
import bisect_utils
def main():
usage = ('%prog [options] [-- chromium-options]\n'
'Prepares a temporary depot for use on a trybot.')
parser = optparse.OptionParser(usage=usage)
parser.add_option('-w', '--working_directory',
type='str',
help='Path to the working directory where the script will '
'do an initial checkout of the chromium depot. The '
'files will be placed in a subdirectory "bisect" under '
'working_directory and that will be used to perform the '
'bisection.')
parser.add_option('--output_buildbot_annotations',
action="store_true",
help='Add extra annotation output for buildbot.')
parser.add_option('--target_platform',
type='choice',
choices=['chromium', 'cros', 'android'],
default='chromium',
help='The target platform. Choices are "chromium" (current '
'platform), "cros", or "android". If you specify something '
'other than "chromium", you must be properly set up to '
'build that platform.')
(opts, args) = parser.parse_args()
if not opts.working_directory:
print 'Error: missing required parameter: --working_directory'
print
parser.print_help()
return 1
if not bisect_utils.CheckIfBisectDepotExists(opts):
try:
bisect_utils.CreateBisectDirectoryAndSetupDepot(opts,
bisect_utils.DEFAULT_GCLIENT_CUSTOM_DEPS)
except RuntimeError:
return 1
return 0
if __name__ == '__main__':
sys.exit(main())
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