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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 The ChromiumOS Authors
# 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."""
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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