$ git clone -n https://src.fedoraproject.org/rpms/ocaml-benchmark.git /var/lib/mock/f38-build-side-42-init-devel-766648-27742/root/chroot_tmpdir/scmroot/ocaml-benchmark
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-766648-27742/root/chroot_tmpdir/scmroot/ocaml-benchmark'...
$ git fetch origin c1be04452140e8577a467429e0b774be023f092f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-benchmark
 * [new ref]         c1be04452140e8577a467429e0b774be023f092f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1be044 Rebuild OCaml packages for F38