$ git clone -n https://src.fedoraproject.org/rpms/R-polyclip.git /var/lib/mock/f31-build-99206-33132/root/thebuilddir/tmp/scmroot/R-polyclip
Cloning into '/var/lib/mock/f31-build-99206-33132/root/thebuilddir/tmp/scmroot/R-polyclip'...
$ git reset --hard 8b33bc8b361eae7ca5619ff82590ed4b000f2a94
HEAD is now at 8b33bc8 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild