$ git clone -n https://src.fedoraproject.org/rpms/polkit-qt.git /var/lib/mock/f31-build-88624-31993/root/chroot_tmpdir/scmroot/polkit-qt
Cloning into '/var/lib/mock/f31-build-88624-31993/root/chroot_tmpdir/scmroot/polkit-qt'...
$ git reset --hard 7b3d6dc43a6c7b0a7f4db3ea5cc162aaf684acb4
HEAD is now at 7b3d6dc - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild