$ git clone -n https://src.fedoraproject.org/rpms/jzlib.git /var/lib/mock/f38-build-side-42-init-devel-608912-26260/root/chroot_tmpdir/scmroot/jzlib
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-608912-26260/root/chroot_tmpdir/scmroot/jzlib'...
$ git fetch origin 4dc34a904640f85f95599d5d83c3b1485a0c906f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jzlib
 * [new ref]         4dc34a904640f85f95599d5d83c3b1485a0c906f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4dc34a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild