$ git clone -n https://src.fedoraproject.org/rpms/ocaml-menhir.git /var/lib/mock/f45-build-20605-572/root/chroot_tmpdir/scmroot/ocaml-menhir
Cloning into '/var/lib/mock/f45-build-20605-572/root/chroot_tmpdir/scmroot/ocaml-menhir'...
$ git fetch origin cc1ad4abb9d06f016e5a41d910c172d406fbbe99:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-menhir
 * [new ref]         cc1ad4abb9d06f016e5a41d910c172d406fbbe99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc1ad4a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild