$ git clone -n https://src.fedoraproject.org/rpms/plexus-archiver.git /var/lib/mock/f38-build-side-42-init-devel-695455-26988/root/chroot_tmpdir/scmroot/plexus-archiver
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-695455-26988/root/chroot_tmpdir/scmroot/plexus-archiver'...
$ git fetch origin 9dddae05709739e72c54c61729145979e96ba7d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-archiver
 * [new ref]         9dddae05709739e72c54c61729145979e96ba7d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dddae0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild