def archive_all_files(self, archiver):
        """
        Archive all files using archiver.

        @param archiver: Callable that accepts 2 arguments:
            abspath to file on the system and relative path within archive.
        """
        for file_path in self.extra:
            archiver(path.abspath(file_path), path.join(self.prefix, file_path))

        for file_path in self.walk_git_files():
            archiver(path.join(self.main_repo_abspath, file_path), path.join(self.prefix, file_path))