let
  sources = import ./npins;
  pkgs = import sources.nixpkgs {};
in

pkgs.mkShell {
  packages = with pkgs; [
    coreutils
  ]; 
  nativeBuildInputs = with pkgs; [
    npins
    nixos-anywhere
    nixos-rebuild
  ];
  shellHook = ''
    export NIX_PATH="nixpkgs=${sources.nixpkgs}:nixos-config=$PWD/configuration.nix"
  '';
}