$ git clone -n https://src.fedoraproject.org/rpms/R-quantities.git /var/lib/mock/f31-build-50510-27412/root/chroot_tmpdir/scmroot/R-quantities
Cloning into '/var/lib/mock/f31-build-50510-27412/root/chroot_tmpdir/scmroot/R-quantities'...
$ git reset --hard c5835edde67da4841d42306167898cf6d9f4dacf
HEAD is now at c5835ed - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild