$ git clone -n https://src.fedoraproject.org/rpms/R-mlbench.git /var/lib/mock/f31-build-74037-31069/root/chroot_tmpdir/scmroot/R-mlbench
Cloning into '/var/lib/mock/f31-build-74037-31069/root/chroot_tmpdir/scmroot/R-mlbench'...
$ git reset --hard e716733a405ce58a78655d0ca8ebf96e6bb9d3c5
HEAD is now at e716733 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild