$ git clone -n https://src.fedoraproject.org/rpms/ocaml-gsl.git /var/lib/mock/f31-build-76087-31357/root/chroot_tmpdir/scmroot/ocaml-gsl
Cloning into '/var/lib/mock/f31-build-76087-31357/root/chroot_tmpdir/scmroot/ocaml-gsl'...
$ git reset --hard 5b2ea8cb6b4dd29299d79d935b71105e34b11f09
HEAD is now at 5b2ea8c OCaml 4.08.1 (rc2) rebuild.