$ git clone -n https://src.fedoraproject.org/rpms/ocaml-time-now.git /var/lib/mock/f41-build-811726-147521/root/chroot_tmpdir/scmroot/ocaml-time-now
Cloning into '/var/lib/mock/f41-build-811726-147521/root/chroot_tmpdir/scmroot/ocaml-time-now'...
$ git fetch origin d0faa9a26d2b5afb277eb6cf5f45e6f228fedb36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-time-now
 * [new ref]         d0faa9a26d2b5afb277eb6cf5f45e6f228fedb36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0faa9a OCaml 5.2.0 for Fedora 41