{ config, pkgs, lib, ... }: {

  nix = {
    package = pkgs.nix;
    extraOptions = ''
      system = aarch64-darwin # M1 gang
      extra-platforms = aarch64-darwin x86_64-darwin # But we use rosetta too
      experimental-features = nix-command flakes
      build-users-group = nixbld
    '';
  };

  fonts = {
    fontDir.enable = false;
    fonts = with pkgs; [
      fira
      fira-code
      roboto
      roboto-mono
    ];
  };

  programs.fish.enable = true;
  system.activationScripts.postActivation.text = ''
    # Set the default shell as fish for the user. MacOS doesn't do this like nixOS does
    sudo chsh -s ${lib.getBin pkgs.fish}/bin/fish larstvei
  '';

  networking.hostName = "macbookpro";
  system.stateVersion = 4;

  system.keyboard = {
    enableKeyMapping = true;
    remapCapsLockToControl = true;
  };
  system.defaults = {
    screencapture = { location = "/tmp"; };
    dock = {
      autohide = true;
      showhidden = true;
      mru-spaces = false;
    };
    finder = {
      AppleShowAllExtensions = true;
      QuitMenuItem = true;
      FXEnableExtensionChangeWarning = true;
    };

    NSGlobalDomain = {
      AppleKeyboardUIMode = 3;
      ApplePressAndHoldEnabled = false;
      AppleFontSmoothing = 1;
      _HIHideMenuBar = true;
      InitialKeyRepeat = 15;
      KeyRepeat = 1;
      "com.apple.mouse.tapBehavior" = 1;
      "com.apple.swipescrolldirection" = true;
    };
  };

  homebrew = {
    enable = true;
    onActivation.upgrade = true;
    casks = [
      "amethyst"
      "raycast"
      "iina"
    ];
  };
}