$ git clone -n https://src.fedoraproject.org/rpms/R-sp.git /var/lib/mock/f31-build-50814-27439/root/chroot_tmpdir/scmroot/R-sp
Cloning into '/var/lib/mock/f31-build-50814-27439/root/chroot_tmpdir/scmroot/R-sp'...
$ git reset --hard 814fa877fe7ebb4b2cd3ee24c1ae3f0de8e08b6a
HEAD is now at 814fa87 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild