#!/usr/bin/env bash

set -e

if [ "$#" -eq 0 ]; then
echo "Error: No arguments provided."
echo "Usage: $0 <path>"
exit 1
fi

CURRENT=$(readlink -f /etc/nixos)
if [ -d "/etc/nixos" ]; then
    sudo rm -r /etc/nixos
fi
echo "Unlinked $CURRENT"

sudo ln -s $1 /etc/nixos
echo "Linked   $(readlink -f /etc/nixos)"