class WorkflowRepoManager:
    def __init__(self):
        logging.debug(f"{self} --> __init__ called!")

        # Keep a log of things created so we can clean them up.
        self.__local_branches_created: list[str] = []
        self.__local_worktrees_created: list[TemporaryDirectory] = []
        # (remote, branch), e.g. ('openshift-helm-charts/charts, 'my-pr-branch')
        self.__remote_branches_created: list[tuple[str, str]] = []

        # The token to use for GitHub API operations.
        self.__authtoken: str = ""

        # Working directory at instantiation.
        self.old_cwd: str = os.getcwd()

        # The repository at working directory.
        try:
            self.repo = git.Repo()
        except git.InvalidGitRepositoryError as e:
            raise RepoManagementError(
                "Unable to initialize git repository. Is the current directory a git repo?"
            ) from e

        # The branch at repo initialization. On Cleanup, we return to this branch
        # before we remove locally generated branches.
        try:
            self.original_branch = self.repo.active_branch.name
        except TypeError:
            self.original_branch = self.repo.git.rev_parse("--short", "HEAD")
...