$ git clone -n https://src.fedoraproject.org/rpms/ocaml-alcotest.git /var/lib/mock/f45-build-20433-570/root/chroot_tmpdir/scmroot/ocaml-alcotest
Cloning into '/var/lib/mock/f45-build-20433-570/root/chroot_tmpdir/scmroot/ocaml-alcotest'...
$ git fetch origin d0976d94e9f87e80c68f354f0c4180c6567ebae2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-alcotest
 * [new ref]         d0976d94e9f87e80c68f354f0c4180c6567ebae2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0976d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild