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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 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.
"""Build script that copies the go sources to a build destination."""
from __future__ import print_function
import argparse
import os.path
import re
import shutil
import subprocess
import sys
def parse_args():
parser = argparse.ArgumentParser()
default_output_dir = os.path.normpath(
os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'../../chromiumos-overlay/sys-devel/llvm/files/compiler_wrapper'))
parser.add_argument(
'--output_dir',
default=default_output_dir,
help='Output directory to place bundled files (default: %(default)s)')
parser.add_argument(
'--create',
action='store_true',
help='Create output_dir if it does not already exist')
return parser.parse_args()
def copy_files(input_dir, output_dir):
for filename in os.listdir(input_dir):
if ((filename.endswith('.go') and not filename.endswith('_test.go')) or
filename in ('build.py', 'go.mod')):
shutil.copy(
os.path.join(input_dir, filename), os.path.join(output_dir, filename))
def read_change_id(input_dir):
last_commit_msg = subprocess.check_output(
['git', '-C', input_dir, 'log', '-1', '--pretty=%B'], encoding='utf-8')
# Use last found change id to support reverts as well.
change_ids = re.findall(r'Change-Id: (\w+)', last_commit_msg)
if not change_ids:
sys.exit("Couldn't find Change-Id in last commit message.")
return change_ids[-1]
def write_readme(input_dir, output_dir, change_id):
with open(
os.path.join(input_dir, 'bundle.README'), 'r', encoding='utf-8') as r:
with open(os.path.join(output_dir, 'README'), 'w', encoding='utf-8') as w:
content = r.read()
w.write(content.format(change_id=change_id))
def write_version(output_dir, change_id):
with open(os.path.join(output_dir, 'VERSION'), 'w', encoding='utf-8') as w:
w.write(change_id)
def main():
args = parse_args()
input_dir = os.path.dirname(__file__)
change_id = read_change_id(input_dir)
if not args.create:
assert os.path.exists(
args.output_dir
), f'Specified output directory ({args.output_dir}) does not exist'
shutil.rmtree(args.output_dir, ignore_errors=True)
os.makedirs(args.output_dir)
copy_files(input_dir, args.output_dir)
write_readme(input_dir, args.output_dir, change_id)
write_version(args.output_dir, change_id)
if __name__ == '__main__':
main()
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