$ git clone -n https://src.fedoraproject.org/rpms/R-hexbin.git /var/lib/mock/f31-build-73981-31061/root/chroot_tmpdir/scmroot/R-hexbin
Cloning into '/var/lib/mock/f31-build-73981-31061/root/chroot_tmpdir/scmroot/R-hexbin'...
$ git reset --hard 470b87036cc72d07aff9561173a6927f11b5c93e
HEAD is now at 470b870 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild