#!/bin/bash

for agent in \
	/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1 \
	/usr/lib/mate-polkit/polkit-mate-authentication-agent-1 \
	/usr/libexec/polkit-mate-authentication-agent-1
do
	if [[ -x "$agent" ]]; then
		exec $agent
	fi
done