from pprint import pformat
@swh_cli_group.group(name="scanner", context_settings=CONTEXT_SETTINGS)
@click.option(
    "-C",
    "--config-file",
    default=None,
    type=click.Path(exists=False, dir_okay=False, path_type=str),
    help=f"""YAML configuration file. If absent and cannot load the default one,
    default parameters are used.""",
)
@click.pass_context
def scanner(ctx, config_file: Optional[str]):
    f"""Software Heritage Scanner tools.

    Default config path is {DEFAULT_CONFIG_PATH}.
    Default config values are {pformat(DEFAULT_CONFIG)}
    """