$ git clone -n https://src.fedoraproject.org/rpms/R-pbdZMQ.git /var/lib/mock/f31-build-50450-27410/root/chroot_tmpdir/scmroot/R-pbdZMQ
Cloning into '/var/lib/mock/f31-build-50450-27410/root/chroot_tmpdir/scmroot/R-pbdZMQ'...
$ git reset --hard cc9c61d12cf245bd7b22fd5fffa4eb346f4a4525
HEAD is now at cc9c61d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild