$ git clone -n https://src.fedoraproject.org/rpms/ocaml-fieldslib.git /var/lib/mock/f41-build-811382-147385/root/chroot_tmpdir/scmroot/ocaml-fieldslib
Cloning into '/var/lib/mock/f41-build-811382-147385/root/chroot_tmpdir/scmroot/ocaml-fieldslib'...
$ git fetch origin e9995a4346c460f7d402c4fd35a6907a80cf4e51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-fieldslib
 * [new ref]         e9995a4346c460f7d402c4fd35a6907a80cf4e51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9995a4 OCaml 5.2.0 for Fedora 41