#!/usr/bin/env nix-shell
#! nix-shell -i bash -p bash curl

function header {
    echo =============================================
    echo "$1"
    echo =============================================
}

ip=$(curl -s -X GET https://checkip.amazonaws.com)
header "$ip"
header NAMECHEAP

hostname=@
domain=rotehaare.art
password="$PASSROTE"
base="https://dynamicdns.park-your-domain.com/update"

if host "$domain" 1.1.1.1 | grep "has address" | grep "$ip"; then
    echo "$domain is currently set to $ip; no changes needed"
    exit
fi
echo updating "$domain"
host="host=$hostname"
domain="domain=$domain"
password="password=$password"
curl "$base?$host&$domain&$password&ip=$ip"
echo