#!/bin/sh

set -e

# Bad
dpkg --compare-versions "$2" lt "0.5"
dpkg --compare-versions "$2" lt 0.5~
dpkg --compare-versions "$2" lt 0.5-1~
dpkg --compare-versions "$2" lt '0.5-1~'
dpkg --compare-versions '0.5-1~' gt "$2"
if dpkg --compare-versions '0.5-1~' gt "$2"; then :; fi

# Good
dpkg --compare-versions "$2" lt "0"
dpkg --compare-versions "$2" lt "0~"
dpkg --compare-versions "$2" lt 0.50.5
# This is a false-positive for 0.5
# dpkg --compare-versions "$2" lt 0.5~

#DEBHELPER#