$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lwt.git /var/lib/mock/f42-build-865836-173538/root/chroot_tmpdir/scmroot/ocaml-lwt
Cloning into '/var/lib/mock/f42-build-865836-173538/root/chroot_tmpdir/scmroot/ocaml-lwt'...
$ git fetch origin 5be965c287f2aba03d07c1a534e7d41544f9884b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lwt
 * [new ref]         5be965c287f2aba03d07c1a534e7d41544f9884b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5be965c OCaml 5.3.0 rebuild for Fedora 42