$ git clone -n https://src.fedoraproject.org/rpms/R-units.git /var/lib/mock/f31-build-50873-27447/root/chroot_tmpdir/scmroot/R-units
Cloning into '/var/lib/mock/f31-build-50873-27447/root/chroot_tmpdir/scmroot/R-units'...
$ git reset --hard bfff37fd613f503111a0991cd600a297a3341099
HEAD is now at bfff37f - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild