$ git clone -n https://src.fedoraproject.org/rpms/voro++.git /var/lib/mock/f31-build-60407-28729/root/chroot_tmpdir/scmroot/voro++
Cloning into '/var/lib/mock/f31-build-60407-28729/root/chroot_tmpdir/scmroot/voro++'...
$ git reset --hard 094f0a755cbb35c2fadf2277a1369d161f048042
HEAD is now at 094f0a7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild