$ git clone -n https://src.fedoraproject.org/rpms/ocaml-SDL.git /var/lib/mock/f45-build-20427-570/root/chroot_tmpdir/scmroot/ocaml-SDL
Cloning into '/var/lib/mock/f45-build-20427-570/root/chroot_tmpdir/scmroot/ocaml-SDL'...
$ git fetch origin 8cfed65cd00ef5e052ababa3846fcd5048d6c9ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-SDL
 * [new ref]         8cfed65cd00ef5e052ababa3846fcd5048d6c9ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cfed65 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild