$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ptmap.git /var/lib/mock/f45-build-20703-573/root/chroot_tmpdir/scmroot/ocaml-ptmap
Cloning into '/var/lib/mock/f45-build-20703-573/root/chroot_tmpdir/scmroot/ocaml-ptmap'...
$ git fetch origin 0f2eec8104e752b2eb37c8f28053663502542453:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ptmap
 * [new ref]         0f2eec8104e752b2eb37c8f28053663502542453 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f2eec8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild