Function autoupdate

pre_commit/commands/autoupdate.py:162–215

Auto-update the pre-commit config to the latest versions of repos.

(
        config_file: str,
        tags_only: bool,
        freeze: bool,
        repos: Sequence[str] = (),
        jobs: int = 1,
)

def autoupdate(
        config_file: str,
        tags_only: bool,
        freeze: bool,
        repos: Sequence[str] = (),
        jobs: int = 1,
) -> int:
    """Auto-update the pre-commit config to the latest versions of repos."""
    migrate_config(config_file, quiet=True)
    changed = False
    retv = 0

    config_repos = [
        repo for repo in load_config(config_file)['repos']
        if repo['repo'] not in {LOCAL, META}
    ]

    rev_infos: list[RevInfo | None] = [None] * len(config_repos)
    jobs = jobs or xargs.cpu_count()  # 0 => number of cpus
    jobs = min(jobs, len(repos) or len(config_repos))  # max 1-per-thread
    jobs = max(jobs, 1)  # at least one thread
    with concurrent.futures.ThreadPoolExecutor(jobs) as exe:
        futures = [
            exe.submit(
                _update_one,
                i, repo, tags_only=tags_only, freeze=freeze,
            )
            for i, repo in enumerate(config_repos)
            if not repos or repo['repo'] in repos
        ]
        for future in concurrent.futures.as_completed(futures):
            try:
                i, old, new = future.result()
            except RepositoryCannotBeUpdatedError as e:
                output.write_line(str(e))
                retv = 1
            else:
                if new.rev != old.rev:
                    changed = True
                    if new.frozen:
                        new_s = f'{new.frozen} (frozen)'
                    else:
                        new_s = new.rev
                    msg = f'updating {old.rev} -> {new_s}'
                    rev_infos[i] = new
                else:
                    msg = 'already up to date!'

                output.write_line(f'[{old.repo}] {msg}')

    if changed:
        _write_new_config(config_file, rev_infos)

    return retv