$ git clone -n https://src.fedoraproject.org/rpms/ocaml-benchmark.git /var/lib/mock/f31-build-72059-30800/root/thebuilddir/tmp/scmroot/ocaml-benchmark
Cloning into '/var/lib/mock/f31-build-72059-30800/root/thebuilddir/tmp/scmroot/ocaml-benchmark'...
$ git reset --hard 41fa59f0c695ea6fdc877a862dfc96016e219d2d
HEAD is now at 41fa59f OCaml 4.08.1 (rc2) rebuild.