$ git clone -n https://src.fedoraproject.org/rpms/ocaml-atd.git /var/lib/mock/f42-build-866107-173709/root/chroot_tmpdir/scmroot/ocaml-atd
Cloning into '/var/lib/mock/f42-build-866107-173709/root/chroot_tmpdir/scmroot/ocaml-atd'...
$ git fetch origin 9299367ce3789f3438ede1fc2415c35d3cbdab1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-atd
 * [new ref]         9299367ce3789f3438ede1fc2415c35d3cbdab1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9299367 OCaml 5.3.0 rebuild for Fedora 42