#!/usr/bin/env bash

# CONSTANTS


# FUNCTIONS

function halt_on_error {
	>&2 echo "ERROR: $1"
	exit ${2:-1}
}

function assert_root {
    [ "$(id -u)" -ne 0 ] && halt_on_error 'root privilege required!'
}

function assert_proxmox {
	grep -q ^ID=debian /etc/os-release || halt_on_error 'distro debian required!' 2
	command -v pct >/dev/null || halt_on_error 'command `pct` not found!' 3
}

# MAIN

set Eue
assert_root
assert_proxmox
echo OK