$ git clone -n https://src.fedoraproject.org/rpms/ocaml-seq.git /var/lib/mock/f38-build-side-42-init-devel-766836-27742/root/chroot_tmpdir/scmroot/ocaml-seq
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-766836-27742/root/chroot_tmpdir/scmroot/ocaml-seq'...
$ git fetch origin c1800593ddd22b96745a0d849b04776aa1e54d91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-seq
 * [new ref]         c1800593ddd22b96745a0d849b04776aa1e54d91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c180059 Fix files again