$ git clone -n https://src.fedoraproject.org/rpms/ocaml-patch.git /var/lib/mock/f45-build-20640-572/root/chroot_tmpdir/scmroot/ocaml-patch
Cloning into '/var/lib/mock/f45-build-20640-572/root/chroot_tmpdir/scmroot/ocaml-patch'...
$ git fetch origin 4103b12628bffc27dd06d4389b4bd1eab54316fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-patch
 * [new ref]         4103b12628bffc27dd06d4389b4bd1eab54316fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4103b12 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild