64 lines
2.3 KiB
Python
Executable file
64 lines
2.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright 2020 Google LLC
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#
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# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://llvm.org/LICENSE.txt
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import os
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import platform
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import shutil
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import subprocess
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import sys
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def check_sccache(dryrun: bool):
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"""check if sccache can be started
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Wipe local cache folder if it fails with a timeout.
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This is based on the problem described here:
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https://github.com/google/llvm-premerge-checks/wiki/LLVM-pre-merge-tests-operations-blog#2020-05-04
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"""
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if platform.system() != 'Windows':
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return
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if 'SCCACHE_DIR' not in os.environ:
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return
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sccache_dir = os.environ['SCCACHE_DIR']
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result = subprocess.run('sccache --start-server', shell=True, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, text=True)
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if result.returncode == 0:
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return
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if result.stderr is not None and 'Timed out waiting for server startup' in result.stderr:
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print('sccache failed with timeout. Wiping local cache dir {}'.format(sccache_dir))
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if dryrun:
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print('Dryrun. Not deleting anything.')
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else:
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shutil.rmtree(sccache_dir)
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def run_ninja(target: str, work_dir: str, *, dryrun: bool = False):
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check_sccache(dryrun)
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cmd = 'ninja {}'.format(target)
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if dryrun:
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print('Dryrun. Command would have been:\n{}'.format(cmd))
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return 0
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else:
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return subprocess.call(cmd, shell=True, cwd=work_dir)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Run ninja for LLVM.')
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parser.add_argument('target')
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parser.add_argument('repo_path', type=str, nargs='?', default=os.getcwd())
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parser.add_argument('--dryrun', action='store_true')
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args = parser.parse_args()
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sys.exit(run_ninja(args.target, os.path.join(args.repo_path, 'build'), dryrun=args.dryrun))
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