def _process_diff_args(
        self,
        args: List[Union[PathLike, "Diffable"]],
    ) -> List[Union[PathLike, "Diffable"]]:
        """
        :return:
            Possibly altered version of the given args list.
            This method is called right before git command execution.
            Subclasses can use it to alter the behaviour of the superclass.
        """
        return args

        :return:
            Possibly altered version of the given args list.
            This method is called right before git command execution.
            Subclasses can use it to alter the behaviour of the superclass.
        
git/diff.py