Re-add supports_rename and rename to PathManager (!478) · Merge requests · Administrator / metaseq

Merged Administrator requested to merge andy/readd_supports_rename into main Nov 01, 2022

Created by: andrewPoulton

Addresses #477 (closed), and also adds rename method to PathManager which is also called in checkpoint_utils.torch_persistent_save.

Currently untested, @Xirider should run in his env, as he found the bug.