$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-import.git /var/lib/mock/f40-build-2013485-45891/root/chroot_tmpdir/scmroot/ocaml-ppx-import
Cloning into '/var/lib/mock/f40-build-2013485-45891/root/chroot_tmpdir/scmroot/ocaml-ppx-import'...
$ git fetch origin 1377eebacd52d67e117a0af9abd467d3e81a0b05:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-import
 * [new ref]         1377eebacd52d67e117a0af9abd467d3e81a0b05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1377eeb OCaml 5.1.1 rebuild for Fedora 40