$ git clone -n https://src.fedoraproject.org/rpms/ocaml-qcheck.git /var/lib/mock/f42-build-3408470-45145/root/chroot_tmpdir/scmroot/ocaml-qcheck
Cloning into '/var/lib/mock/f42-build-3408470-45145/root/chroot_tmpdir/scmroot/ocaml-qcheck'...
$ git fetch origin d6e7d8ed89c50196079f0bcded89f302838a2fb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-qcheck
 * [new ref]         d6e7d8ed89c50196079f0bcded89f302838a2fb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6e7d8e Rebuild for ocaml-fmt 0.10.0