{pkgs, ...}: {
  # List packages installed in system profile. To search by name, run:
  # $ nix-env -qaP | grep wget
  environment.systemPackages = [
    pkgs.vim
  ];

  # Auto upgrade nix package
  nix.package = pkgs.nix;

  # Necessary for using flakes on this system.
  nix.settings.experimental-features = "nix-command flakes";

  # Create /etc/zshrc that loads the nix-darwin environment.
  programs.zsh.enable = true; # default shell on catalina
  programs.fish.enable = true;

  # Used for backwards compatibility, please read the changelog before changing.
  # $ darwin-rebuild changelog
  system.stateVersion = 4;

  home-manager.useGlobalPkgs = true;
  home-manager.useUserPackages = true;
  users.users.zack = {
    name = "zack";
    home = "/Users/zack";
  };

  # The platform the configuration will be used on.
  nixpkgs.hostPlatform = "aarch64-darwin";
}