Generates a basic confirm schema file from a configuration file.

def generate_schema_file(config_file):
    """
    Generates a basic confirm schema file from a configuration file.
    """

    config = utils.load_config_from_ini_file(config_file)
    schema = {}

    for section_name in config:
        for option_name in config[section_name]:
            schema.setdefault(section_name, {}).setdefault(option_name, {})
            schema[section_name][option_name]['description'] = 'No description provided.'

    return utils.dump_schema_file(schema)