$ git clone -n https://src.fedoraproject.org/rpms/rust-uuid0.8.git /var/lib/mock/f40-build-2718166-72889/root/chroot_tmpdir/scmroot/rust-uuid0.8
Cloning into '/var/lib/mock/f40-build-2718166-72889/root/chroot_tmpdir/scmroot/rust-uuid0.8'...
$ git fetch origin b85530a8c2221c320d5b18846bfd742994cc31f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uuid0.8
 * [new ref]         b85530a8c2221c320d5b18846bfd742994cc31f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b85530a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild