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#!/usr/bin/env python
#
# Copyright (c) 2014 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.
"""Fetches an archived chromium build into
src/chrome/tools/test/reference_build unless
src/chrome/tools/test/reference_build/REQUESTED_REVISION is the same as
src/chrome/tools/test/reference_build/CURRENT_REVISION.
Must be run from the root of a Dartium or multivm checkout.
Usage:
$ ./src/dartium_tools/fetch_reference_build_revision.py
"""
import os
import subprocess
import sys
def main(argv):
dirname = os.path.join('src', 'chrome', 'tools',
'test', 'reference_build')
request = os.path.join(dirname, 'REQUESTED_REVISION')
found = os.path.join(dirname, 'CURRENT_REVISION')
if not os.path.exists(request):
return
with file(request, 'r') as f:
request_revision = f.read()
if os.path.exists(found):
with file(found, 'r') as f:
found_revision = f.read()
if found_revision == request_revision:
return
get_script = os.path.join('src', 'dartium_tools', 'get_chromium_build.py')
get_script = os.path.abspath(get_script)
exit_code = subprocess.call(['python', get_script,
'-r', request_revision,
'-t', dirname])
if exit_code == 0:
with file(found, 'w') as f:
f.write(request_revision)
return exit_code
if __name__ == '__main__':
sys.exit(main(sys.argv))
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