#!/bin/sh

if command -v pkexec >/dev/null 2>&1; then
    pkexec sh -c "echo \"nameserver 192.168.16.1\" | tee /etc/resolv.conf >/dev/null && sudo chattr +i /etc/resolv.conf"
elif command -v sudo >/dev/null 2>&1; then
    sudo sh -c "echo \"nameserver 192.168.16.1\" | tee /etc/resolv.conf >/dev/null && sudo chattr +i /etc/resolv.conf"
elif command -v doas >/dev/null 2>&1; then
    doas sh -c "echo \"nameserver 192.168.16.1\" | tee /etc/resolv.conf >/dev/null && sudo chattr +i /etc/resolv.conf"
else
    su -c "echo \"nameserver 192.168.16.1\" | tee /etc/resolv.conf >/dev/null && sudo chattr +i /etc/resolv.conf"
fi