$ git clone -n https://src.fedoraproject.org/rpms/gr-rds.git /var/lib/mock/f38-build-side-42-init-devel-685226-26759/root/chroot_tmpdir/scmroot/gr-rds
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-685226-26759/root/chroot_tmpdir/scmroot/gr-rds'...
$ git fetch origin 3700dd486b87c61b0a4bdb29d50b758a3e3ec415:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gr-rds
 * [new ref]         3700dd486b87c61b0a4bdb29d50b758a3e3ec415 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3700dd4 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild