make_all_hooks.py

from __future__ import annotations

import functools
import json
import multiprocessing
import os.path
import subprocess
import tempfile
from typing import Any

import yaml
from pre_commit.clientlib import load_manifest

Loader = getattr(yaml, 'CSafeLoader', yaml.SafeLoader)
fast_load = functools.partial(yaml.load, Loader=Loader)


def get_manifest(repo_path: str) -> tuple[bool, str, list[dict[str, Any]]]:
    print(f'*** {repo_path}')
    with tempfile.TemporaryDirectory() as directory:
        repo_dir = os.path.join(directory, 'repo')
        cmd = ('git', 'clone', '--depth', '1', '-q', repo_path, repo_dir)
        subprocess.check_call(cmd)
        manifest_path = os.path.join(repo_dir, '.pre-commit-hooks.yaml')
        # Validate the manifest just to make sure it's ok.
        manifest = load_manifest(manifest_path)
        for hook in manifest:
            # hooks should not set debugging `verbose: true` flag
            if hook['verbose']:
                print(f'{repo_path} ({hook["id"]}) sets `verbose: true`')
                return False, repo_path, []
            # hooks should not set `fail-fast` breaking user expectations
            if hook['fail_fast']:
                print(f'{repo_path} ({hook["id"]}) sets `fail_fast: true`')
                return False, repo_path, []
            # hook names should be short and not cause wrapping by default
            if (
                    len(hook['name']) > 50 and
                    'deprecated' not in hook['name'].lower()
            ):
                print(f'{repo_path} ({hook["id"]}) has too long `name` (>50)')
                return False, repo_path, []

        with open(manifest_path) as f:
            return True, repo_path, fast_load(f)


def main() -> int:
    with open('all-repos.yaml') as f:
        repos = fast_load(f)

    hooks_json = {}
    with multiprocessing.Pool(4) as pool:
        for ok, path, manifest in pool.imap(get_manifest, repos):
            if not ok:
                return 1
            hooks_json[path] = manifest

    with open('all-hooks.json', 'w') as hooks_json_file:
        json.dump(hooks_json, hooks_json_file, indent=4)
    return 0


if __name__ == '__main__':
    raise SystemExit(main())