$ git clone -n https://src.fedoraproject.org/rpms/ocaml-gsl.git /var/lib/mock/f31-build-47015-26762/root/chroot_tmpdir/scmroot/ocaml-gsl
Cloning into '/var/lib/mock/f31-build-47015-26762/root/chroot_tmpdir/scmroot/ocaml-gsl'...
$ git reset --hard 564b33040fb0e7b4f170a840d38e2e5f2fbe8913
HEAD is now at 564b330 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild