1#!/usr/bin/env python 2# 3# Copyright 2016 Google Inc. 4# 5# Use of this source code is governed by a BSD-style license that can be 6# found in the LICENSE file. 7 8 9"""Create a Clang toolchain for Linux hosts.""" 10 11 12import argparse 13import os 14import subprocess 15 16 17def create_asset(target_dir): 18 # Create a local docker image tagged "clang_linux_asset" with a compiled clang for amd64 Linux. 19 # This will take a while. Output is in the image under /tmp/clang_output 20 args = ['docker', 'build', '-t', 'clang_linux_asset', './infra/bots/assets/clang_linux'] 21 subprocess.run(args, check=True, encoding='utf8') 22 23 # Copy the assets out of the container by mounting target_dir 24 print('Copying clang from Docker container into CIPD folder') 25 os.makedirs(target_dir, exist_ok=True) 26 args = ['docker', 'run', '--mount', 'type=bind,source=%s,target=/OUT' % target_dir, 27 'clang_linux_asset', '/bin/sh', '-c', 28 # After copying, we need to make the files write-able by all users. 29 # Docker makes them owned by root by default, and without everyone being 30 # able to write (e.g. delete) them, this can cause issues. 31 'cp -R /tmp/clang_output/* /OUT && chmod -R a+w /OUT'] 32 subprocess.run(args, check=True, encoding='utf8') 33 34 35def main(): 36 parser = argparse.ArgumentParser() 37 parser.add_argument('--target_dir', '-t', required=True) 38 args = parser.parse_args() 39 create_asset(args.target_dir) 40 41 42if __name__ == '__main__': 43 main() 44