my configuration.nix

configuration.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’).
{
  config,
  pkgs,
  lib,
  ...
}: {
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    <home-manager/nixos>
  ];

  # Bootloader.
  boot = {
    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };
    #Enable ntfs storage to enable it mount
    supportedFilesystems = [''ntfs'' ''exfat'' ''avfs'' ''ntfs3''];
  };

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

  services = {
    # Enable X11
    xserver = {
      enable = true;

      # Configure keymap in X11....
      layout = "ng";
      xkbVariant = "";
      #....

      displayManager.gdm.enable = true;

      videoDrivers = ["nvidia"];
      #   desktopManager.gnome.enable = true;
    };

    #Enable dbus
    dbus.enable = true;

    #Enable GVFS for thunar
    gvfs.enable = true;

    # For sound
    pipewire = {
      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
    };
  };

  #name that will show when to connect to a network
  networking.hostName = "nixos";

  # Enable networking
  networking.networkmanager.enable = true;

  #Enable sound
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;

  # Set your time zone.
  time.timeZone = "Africa/Lagos";

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "en_NG";
    extraLocaleSettings = {
      LC_ADDRESS = "en_NG";
      LC_IDENTIFICATION = "en_NG";
      LC_MEASUREMENT = "en_NG";
      LC_MONETARY = "en_NG";
      LC_NAME = "en_NG";
      LC_NUMERIC = "en_NG";
      LC_PAPER = "en_NG";
      LC_TELEPHONE = "en_NG";
      LC_TIME = "en_NG";
    };
  };

  users.users = {
    gamer = {
      isNormalUser = true;
      description = "gamer";
      extraGroups = ["networkmanager" "video" "wheel"];
    };
    sacs = {
      isNormalUser = true;
      extraGroups = ["networkmanager" "wheel"];
    };
  };

  home-manager.useGlobalPkgs = true;

  home-manager.users.gamer = {pkgs, ...}: {
    home.username = "gamer";
    home.homeDirectory = "/home/gamer";
    home.packages = with pkgs; [
      steam
      dune-release
      nvtop-nvidia
      gamescope
      gnome.dconf-editor
      gnome.gnome-tweaks
      gnomeExtensions.appindicator
      gnomeExtensions.arcmenu
      gnomeExtensions.caffeine
      gnomeExtensions.clipboard-indicator
      gnomeExtensions.color-picker
      gnomeExtensions.dash-to-panel
      gnomeExtensions.emoji-selector
      gnomeExtensions.gsconnect
      gnomeExtensions.quick-settings-tweaker
      gnome-extension-manager
    ];
    home.stateVersion = "23.05";
  };

  home-manager.users.sacs = {pkgs, ...}: {
    home.username = "sacs";
    home.homeDirectory = "/home/sacs";
    home.packages = with pkgs; [
      firefox
      vscode
      kitty
      swww
      waybar
      neofetch
      grim
      wl-clipboard
      dunst
      rofi-wayland
      viewnior
      jetbrains-mono
      brightnessctl
      pavucontrol
      iw
      pulseaudioFull
      ntfs3g
      keepassxc
      google-chrome
      postman
      xfce.thunar
      xfce.thunar-volman
      (import (fetchTarball https://install.devenv.sh/latest)).default
    ];
    wayland.windowManager.hyprland = {
      enable = true;
      xwayland = {
        enable = true;
        hidpi = true;
      };
      enableNvidiaPatches = true;
    };
    home.stateVersion = "23.05";
  };

  # Enable automatic login for the user.
  #  services.getty.autologinUser = "sacs";

  #enable flake
  # nix.settings.experimental-features = [ "nix-command" "flakes"];
  hardware.steam-hardware.enable = true;
  hardware = {
    opengl = {
      enable = true;
      driSupport32Bit = true;
      driSupport = true;
    };
  };
  hardware.uinput.enable = true;

  hardware.nvidia.modesetting.enable = true;
  hardware.nvidia.prime = {
    offload.enable = true;
    amdgpuBusId = "PCI:8:0:0";
    nvidiaBusId = "PCI:1:0:0";
  };

  #fix permission issues thunar
  security.polkit.extraConfig = ''
    polkit.addRule(function(action, subject) {
      if ((action.id == "org.freedesktop.udisks2.filesystem-mount-system" ||
    	    action.id == "org.freedesktop.udisks2.filesystem-mount") &&
        subject.isInGroup("wheel")) {
      return polkit.Result.YES;
      }
      });
  '';

  # enable dconf module
  programs.dconf.enable = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    vim
    git
    curl
    wget
    zip
    unzip
  ];

  system.stateVersion = "23.05"; # Did you read the comment?
}