$ git clone -n https://src.fedoraproject.org/rpms/ocaml-luv.git /var/lib/mock/f39-build-2174759-51070/root/chroot_tmpdir/scmroot/ocaml-luv
Cloning into '/var/lib/mock/f39-build-2174759-51070/root/chroot_tmpdir/scmroot/ocaml-luv'...
$ git fetch origin 17e06a3949a083d139e7aae76a42e5983d7cd39c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-luv
 * [new ref]         17e06a3949a083d139e7aae76a42e5983d7cd39c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17e06a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild