#!/bin/sh

echo "this is meant to be run from the iso!!!"
if [ -e "/mnt/etc/nixos" ] ; then
  echo "iso detected. continue!"
else
  echo "you don't appear to be in the install iso."
  echo -n "are you SURE??? (y/N) "
  read sure
  if ! [ "$sure" = "y" ] ; then
    echo "ok. exiting."
    exit 0
  fi
  echo "i will continue."
fi

echo "> setting up channels:"
echo deleting old
nix-channel --remove nixos
echo adding os channel
nix-channel --add "https://channels.nixos.org/nixos-unstable" nixos
echo adding pkgs channel
nix-channel --add "https://channels.nixos.org/nixpkgs-unstable" nixpkgs
echo updating
nix-channel --update
echo "> all set."