$ git clone -n https://src.fedoraproject.org/rpms/ocaml-biniou.git /var/lib/mock/f33-build-146671-43055/root/chroot_tmpdir/scmroot/ocaml-biniou
Cloning into '/var/lib/mock/f33-build-146671-43055/root/chroot_tmpdir/scmroot/ocaml-biniou'...
$ git reset --hard e40d6c9dafdddc7d6282c617ccd317b335d99ddf
HEAD is now at e40d6c9 OCaml 4.10.0 final.