#!/usr/bin/env bash

version="0.1"

function usage ()
{
    echo "Usage :  $0 [options]

    Options:
    -h,--help       Display this message
    -v,--version    Display script version"
}

# Parse arguments
declare -a args
while [[ $# -gt 0 ]]; do
    opt="$1"

    case $opt in
        -h|--help)     usage; exit 0 ;;
        -v|--version)  echo "$0 -- Version $version"; exit 0 ;;
        -q|--quiet)    quiet=1 ; shift ;;
        -* )
            echo -e "\n  Option does not exist : $opt\n"
            usage; exit 1 ;;

        *) args+=("$opt"); shift ;;
    esac
done

running=$(uname -r | sed s/-/./)
install=$(pacman -Q linux | cut -d' ' -f2)
vcmp=$(vercmp $running $install)

((${quiet:=0}==1)) && exit $vcmp

(($vcmp<0)) && echo "$running older than $install"
(($vcmp>0)) && echo "$running newer than $install"

exit $vcmp