#!/bin/bash

DIE() {
    echo "$progname: error: $1" >&2
    exit 1
}

Main() {
    if [ -f "/etc/dnscrypt-proxy/dnscrypt-proxy.toml" ] &&  [ -f "/etc/dnscrypt-proxy/resolv.conf" ] && [ -f "/etc/resolv.conf" ]; then
        chattr -V -i /etc/resolv.conf
        cp -vf /etc/resolv.conf /etc/resolv.conf.bak
        cp -vf /etc/dnscrypt-proxy/resolv.conf /etc/resolv.conf
        chattr -V +i /etc/resolv.conf
    fi

    if [ -f "/etc/systemd/system/dbus-org.freedesktop.resolve1.service" ] || [ -f "/etc/systemd/system/sysinit.target.wants/systemd-resolved.service" ]; then
        systemctl disable systemd-resolved.service
        systemctl stop systemd-resolved.service
    fi

    return 0 # true
}

Main "$@"