90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
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#!/usr/bin/env python3
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"""
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Runs run-clang-tidy. A bit meta. Maybe it will replace run-clang-tidy one day
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because the run-clang-tidy UX is so questionable.
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"""
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# I hereby dedicate this script to fuck you meson.
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# I cannot simply write my code to invoke a subprocess in a meson file because
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# Meson corrupts backslashes in command line args to subprocesses.
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# This is allegedly for "Windows support", but last time I checked Windows
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# neither needs nor wants you to corrupt its command lines.
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# https://github.com/mesonbuild/meson/issues/1564
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import multiprocessing
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import subprocess
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import os
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import sys
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from pathlib import Path
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def default_concurrency():
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return min(multiprocessing.cpu_count(),
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int(os.environ.get("NIX_BUILD_CORES", "16")))
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def go(exe: str, plugin_path: Path, compile_commands_json_dir: Path, jobs: int,
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paths: list[Path], werror: bool, fix: bool):
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args = [
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# XXX: This explicitly invokes it with python because of a nixpkgs bug
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# where clang-unwrapped does not patch interpreters in run-clang-tidy.
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# However, making clang-unwrapped depend on python is also silly, so idk.
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sys.executable,
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exe,
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'-quiet',
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'-load',
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plugin_path,
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'-p',
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compile_commands_json_dir,
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'-j',
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str(jobs),
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'-header-filter',
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r'src/[^/]+/.*\.hh'
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]
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if werror:
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args += ['-warnings-as-errors', '*']
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if fix:
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args += ['-fix']
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args += ['--']
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args += paths
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os.execvp(sys.executable, args)
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def main():
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import argparse
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ap = argparse.ArgumentParser(description='Runs run-clang-tidy for you')
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ap.add_argument('--jobs',
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'-j',
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type=int,
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default=default_concurrency(),
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help='Parallel linting jobs to run')
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ap.add_argument('--plugin-path',
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type=Path,
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help='Path to the Lix clang-tidy plugin')
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# FIXME: maybe we should integrate this so it just fixes the compdb for you and throws it in a tempdir?
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ap.add_argument(
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'--compdb-path',
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type=Path,
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help=
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'Path to the directory containing the fixed-up compilation database from clean_compdb'
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)
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ap.add_argument('--werror',
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action='store_true',
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help='Warnings get turned into errors')
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ap.add_argument('--fix',
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action='store_true',
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help='Apply fixes for warnings')
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ap.add_argument('--run-clang-tidy-path',
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default='run-clang-tidy',
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help='Path to run-clang-tidy')
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ap.add_argument('paths', nargs='*', help='Source paths to check')
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args = ap.parse_args()
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go(args.run_clang_tidy_path, args.plugin_path, args.compdb_path, args.jobs,
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args.paths, args.werror, args.fix)
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if __name__ == '__main__':
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main()
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