$ git clone -n https://src.fedoraproject.org/rpms/ocaml-psmt2-frontend.git /var/lib/mock/f38-build-side-42-init-devel-849147-28425/root/chroot_tmpdir/scmroot/ocaml-psmt2-frontend
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-849147-28425/root/chroot_tmpdir/scmroot/ocaml-psmt2-frontend'...
$ git fetch origin 67cdc474d9ca1bef8ebc1ea53c66d7abf94eba00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-psmt2-frontend
 * [new ref]         67cdc474d9ca1bef8ebc1ea53c66d7abf94eba00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67cdc47 Rebuild OCaml packages for F38