$ git clone -n https://src.fedoraproject.org/rpms/ocaml-stdio.git /var/lib/mock/f33-build-332658-58321/root/chroot_tmpdir/scmroot/ocaml-stdio
Cloning into '/var/lib/mock/f33-build-332658-58321/root/chroot_tmpdir/scmroot/ocaml-stdio'...
$ git reset --hard 6b19cc21d69a6779458245630286fd879b9e0b9e
HEAD is now at 6b19cc2 Be more precise about version requirements for ocaml-base-devel BR.