$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lwt.git /var/lib/mock/f39-build-1900126-42837/root/chroot_tmpdir/scmroot/ocaml-lwt
Cloning into '/var/lib/mock/f39-build-1900126-42837/root/chroot_tmpdir/scmroot/ocaml-lwt'...
$ git fetch origin daa0bb9f040802c8c72b01715504e7e99e898a9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lwt
 * [new ref]         daa0bb9f040802c8c72b01715504e7e99e898a9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daa0bb9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild