$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-let.git /var/lib/mock/f39-build-1970796-43321/root/chroot_tmpdir/scmroot/ocaml-ppx-let
Cloning into '/var/lib/mock/f39-build-1970796-43321/root/chroot_tmpdir/scmroot/ocaml-ppx-let'...
$ git fetch origin d5be124fa5bed8c656b32d3a6562ee1ff0c61328:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-let
 * [new ref]         d5be124fa5bed8c656b32d3a6562ee1ff0c61328 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5be124 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild