$ git clone -n https://src.fedoraproject.org/rpms/polkit-gnome.git /var/lib/mock/f31-build-88552-31990/root/chroot_tmpdir/scmroot/polkit-gnome
Cloning into '/var/lib/mock/f31-build-88552-31990/root/chroot_tmpdir/scmroot/polkit-gnome'...
$ git reset --hard a80a911bf92e446e616455d544e1422106c898cd
HEAD is now at a80a911 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild