$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-compare.git /var/lib/mock/f40-build-768047-125174/root/chroot_tmpdir/scmroot/ocaml-ppx-compare
Cloning into '/var/lib/mock/f40-build-768047-125174/root/chroot_tmpdir/scmroot/ocaml-ppx-compare'...
$ git fetch origin dcdb662390f9f41b581fd8436a2ba69ec9e7fb63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-compare
 * [new ref]         dcdb662390f9f41b581fd8436a2ba69ec9e7fb63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcdb662 OCaml 5.1.1 + s390x code gen fix for Fedora 40