$ git clone -n https://src.fedoraproject.org/rpms/xfce-polkit.git /var/lib/mock/f31-build-60819-28786/root/chroot_tmpdir/scmroot/xfce-polkit
Cloning into '/var/lib/mock/f31-build-60819-28786/root/chroot_tmpdir/scmroot/xfce-polkit'...
$ git reset --hard 78e5267e30fbe5882eb5e12b54f9210959dfc257
HEAD is now at 78e5267 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild