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#!/usr/bin/env python
#
# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Update the prebuilt clang from the build server."""
from __future__ import print_function
import argparse
import inspect
import os
import shutil
import subprocess
import sys
THIS_DIR = os.path.realpath(os.path.dirname(__name__))
ANDROID_DIR = os.path.realpath(os.path.join(THIS_DIR, '../..'))
BRANCH = 'aosp-llvm'
def android_path(*args):
return os.path.join(ANDROID_DIR, *args)
class ArgParser(argparse.ArgumentParser):
def __init__(self):
super(ArgParser, self).__init__(
description=inspect.getdoc(sys.modules[__name__]))
self.add_argument(
'build', metavar='BUILD',
help='Build number to pull from the build server.')
self.add_argument(
'-b', '--bug', type=int,
help='Bug to reference in commit message.')
self.add_argument(
'--use-current-branch', action='store_true',
help='Do not repo start a new branch for the update.')
def host_to_build_host(host):
"""Gets the build host name for an NDK host tag.
The Windows builds are done from Linux.
"""
return {
'darwin': 'mac',
'linux': 'linux',
'windows': 'linux',
}[host]
def build_name(host):
"""Gets the build name for a given host.
The build name is either "linux" or "darwin", with any Windows builds
coming from "linux".
"""
return {
'darwin': 'darwin',
'linux': 'linux',
'windows': 'linux',
}[host]
def manifest_name(build_number):
"""Returns the manifest file name for a given build.
>>> manifest_name('1234')
'manifest_1234.xml'
"""
return 'manifest_{}.xml'.format(build_number)
def package_name(build_number, host):
"""Returns the file name for a given package configuration.
>>> package_name('1234', 'linux')
'clang-1234-linux-x86.tar.bz2'
"""
return 'clang-{}-{}-x86.tar.bz2'.format(build_number, host)
def download_build(host, build_number, download_dir):
filename = package_name(build_number, host)
return download_file(host, build_number, filename, download_dir)
def download_manifest(host, build_number, download_dir):
filename = manifest_name(build_number)
return download_file(host, build_number, filename, download_dir)
def download_file(host, build_number, pkg_name, download_dir):
url_base = 'https://android-build-uber.corp.google.com'
path = 'builds/{branch}-{build_host}-{build_name}/{build_num}'.format(
branch=BRANCH,
build_host=host_to_build_host(host),
build_name=build_name(host),
build_num=build_number)
url = '{}/{}/{}'.format(url_base, path, pkg_name)
TIMEOUT = '60' # In seconds.
out_file_path = os.path.join(download_dir, pkg_name)
with open(out_file_path, 'w') as out_file:
print('Downloading {} to {}'.format(url, out_file_path))
subprocess.check_call(
['sso_client', '--location', '--request_timeout', TIMEOUT, url],
stdout=out_file)
return out_file_path
def extract_package(package, install_dir):
cmd = ['tar', 'xf', package, '-C', install_dir]
print('Extracting {}...'.format(package))
subprocess.check_call(cmd)
def update_clang(host, build_number, use_current_branch, download_dir, bug):
host_tag = host + '-x86'
prebuilt_dir = android_path('prebuilts/clang/host', host_tag)
os.chdir(prebuilt_dir)
if not use_current_branch:
subprocess.check_call(
['repo', 'start', 'update-clang-{}'.format(build_number), '.'])
package = download_build(host, build_number, download_dir)
manifest = download_manifest(host, build_number, download_dir)
install_subdir = 'clang-' + build_number
extract_package(package, prebuilt_dir)
shutil.copy(manifest, prebuilt_dir + '/' + install_subdir)
print('Adding files to index...')
subprocess.check_call(['git', 'add', install_subdir])
version_file_path = os.path.join(install_subdir, 'AndroidVersion.txt')
with open(version_file_path) as version_file:
version = version_file.read().strip()
print('Committing update...')
message_lines = [
'Update prebuilt Clang to build {}.'.format(build_number),
'',
'Built from version {}.'.format(version),
]
if bug is not None:
message_lines.append('')
message_lines.append('Bug: http://b/{}'.format(bug))
message = '\n'.join(message_lines)
subprocess.check_call(['git', 'commit', '-m', message])
def main():
args = ArgParser().parse_args()
download_dir = os.path.realpath('.download')
if os.path.isdir(download_dir):
shutil.rmtree(download_dir)
os.makedirs(download_dir)
try:
hosts = ('darwin', 'linux', 'windows')
for host in hosts:
update_clang(host, args.build, args.use_current_branch,
download_dir, args.bug)
finally:
shutil.rmtree(download_dir)
if __name__ == '__main__':
main()
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