{ config, pkgs, ... }:

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

  # Use a custom configuration.nix location.
  # $ darwin-rebuild switch -I darwin-config=$HOME/.config/nixpkgs/darwin/configuration.nix
  # environment.darwinConfig = "$HOME/.config/nixpkgs/darwin/configuration.nix";

  # Auto upgrade nix package and the daemon service.
  services.nix-daemon.enable = true;

  # Create /etc/bashrc that loads the nix-darwin environment.
  programs.zsh.enable = true; # default shell on catalina
  programs.fish.enable = true;
  # Give nix packages higher priority than system packages in fish
  programs.fish.shellInit = ''
    for p in /run/current-system/sw/bin
      if not contains $p $fish_user_paths
        set -g fish_user_paths $p $fish_user_paths
      end
    end
  '';

  # Make nix managed fonts work on macos
  fonts.fontDir.enable = true;

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