$ git clone -n https://src.fedoraproject.org/rpms/rpkg-util.git /var/lib/mock/f38-build-side-42-init-devel-1260483-30642/root/chroot_tmpdir/scmroot/rpkg-util
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1260483-30642/root/chroot_tmpdir/scmroot/rpkg-util'...
$ git fetch origin 189a11962356d043b87e65c8eaec9423403da946:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpkg-util
 * [new ref]         189a11962356d043b87e65c8eaec9423403da946 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 189a119 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild