pantheon/hosts/nemesis/default.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ inputs, config, pkgs, ... }: let
  hyprland-pkgs = inputs.hyprland.inputs.nixpkgs.legacyPackages.${pkgs.stdenv.hostPlatform.system};
in {
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ../../scripts/hyprland-tty-launch.nix
    ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Graphics settings are defined here
  hardware = {
    graphics.enable = true;
    graphics.package = hyprland-pkgs.mesa.drivers;
    graphics.extraPackages = with pkgs; [
      nvidia-vaapi-driver
      ocl-icd
      cudaPackages.cudatoolkit
      # clinfo
    ];
    nvidia = {
      open = true;
      package = config.boot.kernelPackages.nvidiaPackages.stable;
    };
  };
  environment.variables.NIXOS_OZONE_WL = "1"; # Hint to electron apps to use Wayland
  environment.variables.LIBVA_DRIVER_NAME = "nvidia";
  environment.variables.__GLX_VENDOR_LIBRARY_NAME = "nvidia";
  environment.variables.NVD_BACKEND = "direct"; # Set VAAPI driver backend

  services.xserver = {
    enable = true;
    videoDrivers = [ "nvidia" ];
  };
  
  # Add hyprland.cachix.org as a binary cache for Hyprland
  nix.settings = {
    substituters = [
      "https://hyprland.cachix.org" 
      "https://cuda-maintainers.cachix.org" 
      "https://nix-community.cachix.org" 
    ];
    trusted-public-keys = [
      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" 
      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
    ];
  };

  # Scripts
  services.hyprland-tty-launch.enable = true;

  networking.hostName = "nemesis"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Enable networking
  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "Asia/Singapore";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_SG.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_SG.UTF-8";
    LC_IDENTIFICATION = "en_SG.UTF-8";
    LC_MEASUREMENT = "en_SG.UTF-8";
    LC_MONETARY = "en_SG.UTF-8";
    LC_NAME = "en_SG.UTF-8";
    LC_NUMERIC = "en_SG.UTF-8";
    LC_PAPER = "en_SG.UTF-8";
    LC_TELEPHONE = "en_SG.UTF-8";
    LC_TIME = "en_SG.UTF-8";
  };

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "us";
    variant = "";
  };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.rafiq = {
    isNormalUser = true;
    description = "rafiq";
    extraGroups = [ "networkmanager" "wheel" ];
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    firefox
    clinfo
    koboldcpp
  ];

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;
  services.tailscale.enable = true;

  programs.uwsm = {
    enable = true;
    waylandCompositors.hyprland = {
      prettyName = "Hyprland";
      comment = "Hyprland compositor managed by UWSM";
      binPath = "/run/current-system/sw/bin/Hyprland";
    };
  };

  programs.hyprland = {
    enable = true;
    # Use the packages that we have defined as inputs in our flake.
    package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
    portalPackage = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.xdg-desktop-portal-hyprland;
    # Enable sustemd integration
    systemd.setPath.enable = true;
    withUWSM = true;
    # Enable compatibility with X11 apps
    xwayland.enable = true;
  };

  services.hypridle.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  networking.firewall.enable = false;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "24.11"; # Did you read the comment?

}