Class RevInfo

pre_commit/commands/autoupdate.py:28–82

class RevInfo(NamedTuple):
    repo: str
    rev: str
    frozen: str | None = None
    hook_ids: frozenset[str] = frozenset()

    @classmethod
    def from_config(cls, config: dict[str, Any]) -> RevInfo:
        return cls(config['repo'], config['rev'])

    def update(self, tags_only: bool, freeze: bool) -> RevInfo:
        with tempfile.TemporaryDirectory() as tmp:
            _git = ('git', *git.NO_FS_MONITOR, '-C', tmp)

            if tags_only:
                tag_opt = '--abbrev=0'
            else:
                tag_opt = '--exact'
            tag_cmd = (*_git, 'describe', 'FETCH_HEAD', '--tags', tag_opt)

            git.init_repo(tmp, self.repo)
            cmd_output_b(*_git, 'config', 'extensions.partialClone', 'true')
            cmd_output_b(
                *_git, 'fetch', 'origin', 'HEAD',
                '--quiet', '--filter=blob:none', '--tags',
            )

            try:
                rev = cmd_output(*tag_cmd)[1].strip()
            except CalledProcessError:
                rev = cmd_output(*_git, 'rev-parse', 'FETCH_HEAD')[1].strip()
            else:
                if tags_only:
                    rev = git.get_best_candidate_tag(rev, tmp)

            frozen = None
            if freeze:
                exact = cmd_output(*_git, 'rev-parse', rev)[1].strip()
                if exact != rev:
                    rev, frozen = exact, rev

            try:
                # workaround for windows -- see #2865
                cmd_output_b(*_git, 'show', f'{rev}:{C.MANIFEST_FILE}')
                cmd_output(*_git, 'checkout', rev, '--', C.MANIFEST_FILE)
            except CalledProcessError:
                pass  # this will be caught by manifest validating code
            try:
                manifest = load_manifest(os.path.join(tmp, C.MANIFEST_FILE))
            except InvalidManifestError as e:
                raise RepositoryCannotBeUpdatedError(f'[{self.repo}] {e}')
            else:
                hook_ids = frozenset(hook['id'] for hook in manifest)

        return self._replace(rev=rev, frozen=frozen, hook_ids=hook_ids)


class RepositoryCannotBeUpdatedError(RuntimeError):