$ git clone -n https://src.fedoraproject.org/rpms/rttr.git /var/lib/mock/f38-build-side-42-init-devel-920037-28734/root/chroot_tmpdir/scmroot/rttr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-920037-28734/root/chroot_tmpdir/scmroot/rttr'...
$ git fetch origin a084c9cad2af786e110c94d702f0c0d60c2768e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rttr
 * [new ref]         a084c9cad2af786e110c94d702f0c0d60c2768e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a084c9c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild