def _ensure_supporting_files(self):
readme_path = self._cachedir / "<STR_LIT>"<EOL>readme_path.write_text(README_CONTENT)<EOL>gitignore_path = self._cachedir.joinpath("<STR_LIT>")<EOL>msg = u"<STR_LIT>"<EOL>gitignore_path.write_text(msg, encoding="<STR_LIT>")<EOL>cachedir_tag_path = self._cachedir.joinpath("<STR_LIT>")<EOL>cachedir_tag_path.write_bytes(CACHEDIR_TAG_CONTENT)<EOL>
Create supporting files in the cache dir that are not really part of the cache.