mirror of
https://gerrit.googlesource.com/git-repo
synced 2024-12-21 07:16:21 +00:00
86 lines
2.8 KiB
Plaintext
86 lines
2.8 KiB
Plaintext
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#!/usr/bin/env python3
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# Copyright (C) 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (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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# http://www.apache.org/licenses/LICENSE-2.0
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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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"""Helper tool for generating manual page for all repo commands.
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This is intended to be run before every official Repo release.
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"""
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from pathlib import Path
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from functools import partial
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import argparse
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import multiprocessing
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import os
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import re
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import shutil
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import subprocess
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import sys
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import tempfile
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TOPDIR = Path(__file__).resolve().parent.parent
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MANDIR = TOPDIR.joinpath('man')
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# Load repo local modules.
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sys.path.insert(0, str(TOPDIR))
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from git_command import RepoSourceVersion
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import subcmds
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def worker(cmd, **kwargs):
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subprocess.run(cmd, **kwargs)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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opts = parser.parse_args(argv)
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if not shutil.which('help2man'):
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sys.exit('Please install help2man to continue.')
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# "repo branch" is an alias for "repo branches".
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del subcmds.all_commands['branch']
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(MANDIR / 'repo-branch.1').write_text('.so man1/repo-branches.1')
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version = RepoSourceVersion()
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cmdlist = [['help2man', '-N', '-n', f'repo {cmd} - manual page for repo {cmd}',
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'-S', f'repo {cmd}', '-m', 'Repo Manual', f'--version-string={version}',
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'-o', MANDIR.joinpath(f'repo-{cmd}.1'), TOPDIR.joinpath('repo'),
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'-h', f'help {cmd}'] for cmd in subcmds.all_commands]
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cmdlist.append(['help2man', '-N', '-n', 'repository management tool built on top of git',
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'-S', 'repo', '-m', 'Repo Manual', f'--version-string={version}',
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'-o', MANDIR.joinpath('repo.1'), TOPDIR.joinpath('repo'),
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'-h', 'help --all'])
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with tempfile.TemporaryDirectory() as tempdir:
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repo_dir = Path(tempdir) / '.repo'
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repo_dir.mkdir()
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(repo_dir / 'repo').symlink_to(TOPDIR)
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# Run all cmd in parallel, and wait for them to finish.
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with multiprocessing.Pool() as pool:
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pool.map(partial(worker, cwd=tempdir, check=True), cmdlist)
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regex = (
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(r'(It was generated by help2man) [0-9.]+', '\g<1>.'),
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(r'^\.IP\n(.*:)\n', '.SS \g<1>\n'),
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(r'^\.PP\nDescription', '.SH DETAILS'),
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)
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for path in MANDIR.glob('*.1'):
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data = path.read_text()
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for pattern, replacement in regex:
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data = re.sub(pattern, replacement, data, flags=re.M)
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path.write_text(data)
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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