$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-base.git /var/lib/mock/f41-build-811599-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-base
Cloning into '/var/lib/mock/f41-build-811599-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-base'...
$ git fetch origin 67ce7ff121011c71af80be036b822daaaa67ca0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-base
 * [new ref]         67ce7ff121011c71af80be036b822daaaa67ca0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67ce7ff OCaml 5.2.0 for Fedora 41