$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-compare.git /var/lib/mock/f38-build-side-42-init-devel-619347-26333/root/chroot_tmpdir/scmroot/ocaml-ppx-compare
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-619347-26333/root/chroot_tmpdir/scmroot/ocaml-ppx-compare'...
$ git fetch origin 2ffa5f5f314683488f5b1ae9c6f02aed2bf73d0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-compare
 * [new ref]         2ffa5f5f314683488f5b1ae9c6f02aed2bf73d0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ffa5f5 Rebuild OCaml packages for F38