updated user permissions based on umask (#11119)

* updated user permissions based on umask

* updated user permissions based on umask

* changes as per suggestions

* minor changes

src/transformers/file_utils.py

@@ -1535,6 +1535,11 @@ def get_from_cache(
         logger.info(f"storing {url} in cache at {cache_path}")
         os.replace(temp_file.name, cache_path)
 
+        # NamedTemporaryFile creates a file with hardwired 0600 perms (ignoring umask), so fixing it.
+        umask = os.umask(0o666)
+        os.umask(umask)
+        os.chmod(cache_path, 0o666 & ~umask)
+
         logger.info(f"creating metadata file for {cache_path}")
         meta = {"url": url, "etag": etag}
         meta_path = cache_path + ".json"