Re: recovering a corrupted git repo

>
> I have not had any issue until I ran a git fsck recently, which
> repored gzip and crc errors in some pack files.  git fsck does not
> seem to repair the errors, only report them.  I would like to try to
> rebuild my repository, without downloading any more from the origin
> than I have to.  All of the commits I have added seem to still be
> intact, so I assume the corruption in somewhere in the upstream
> history packs.
>
> How can I correct the errors, and fetch the corrupted upstream
> history, while preserving my patches?  So far I have exported my
> patches as bundles, and made a fresh clone from upstream, then pulled
> the bundles back in, but there must be a better way that only fetches
> the corrupted bits from upstream?