$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lwt-log.git /var/lib/mock/f38-build-side-42-init-devel-678071-26696/root/chroot_tmpdir/scmroot/ocaml-lwt-log
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-678071-26696/root/chroot_tmpdir/scmroot/ocaml-lwt-log'...
$ git fetch origin e0bfb23b11a382a4ff7e54b201ad46ccc5097206:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lwt-log
 * [new ref]         e0bfb23b11a382a4ff7e54b201ad46ccc5097206 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0bfb23 Rebuild OCaml packages for F38