$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocplib-simplex.git /var/lib/mock/f31-build-64475-29568/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex
Cloning into '/var/lib/mock/f31-build-64475-29568/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex'...
$ git reset --hard fd7d2dd00046400b26cd0bf727924fb869077d3b
HEAD is now at fd7d2dd - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild