feat: add basic 'gaming' module to 'andromache'

flake.nix

@@ -55,7 +55,6 @@
       home-manager,
       nixgl,
       git-hooks,
-      colmena,
       ...
     }@inputs:
     let

hosts/andromache/default.nix

@@ -27,6 +27,7 @@ in
     ../../modules/desktops/niri
     ../../modules/backups
     ../../modules/bluetooth
+    ../../modules/gaming
     ../../modules/keyboard
     (import ../../modules/networking { inherit hostName; })
     ../../modules/users
@@ -38,6 +39,7 @@ in
     (import ../../modules/secrets { inherit lib inputs config; })
     ../../modules/docker
     ../../modules/syncthing
+    ../../modules/nvidia
   ];
 
   home-manager.users.${username} = import ../../home/hosts/andromache {
@@ -79,18 +81,7 @@ in
     };
   };
 
-  hardware = {
-    cpu.intel.updateMicrocode = true;
-    graphics.enable = true;
-    nvidia = {
-      modesetting.enable = true;
-      powerManagement.enable = true;
-      powerManagement.finegrained = false;
-      open = true;
-      nvidiaSettings = true;
-      package = config.boot.kernelPackages.nvidiaPackages.stable;
-    };
-  };
+  hardware.cpu.intel.updateMicrocode = true;
 
   boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
 
@@ -99,19 +90,15 @@ in
   ];
 
   services = {
-    xserver = {
-      videoDrivers = [ "nvidia" ];
+    locate = {
+      enable = true;
+      package = pkgs.plocate;
     };
 
     openssh = {
       enable = true;
       harden = true;
     };
-    locate = {
-      enable = true;
-      package = pkgs.plocate;
-    };
-  };
 
   my.syncthing.enable = true;
 

modules/audio/default.nix

@@ -1,6 +1,9 @@
-_:
-
 {
+  nixpkgs.allowedUnfree = [
+    "spotify"
+    "spotify-unwrapped"
+  ];
+
   security.rtkit.enable = true;
   services = {
     pulseaudio.enable = false;

modules/common/default.nix

@@ -1,58 +1,66 @@
-let
-  flakePath = "/home/h/nix";
-in
 {
   inputs,
   outputs,
   dotsPath,
+  config,
   ...
 }:
 
+let
+  inherit (inputs.nixpkgs) lib;
+in
 {
   imports = [
     inputs.home-manager.nixosModules.default
   ];
 
-  system.stateVersion = "25.05";
-
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
-  nixpkgs.config.allowUnfree = true;
-
-  home-manager = {
-    useGlobalPkgs = true;
-    useUserPackages = true;
-    extraSpecialArgs = {
-      inherit inputs outputs dotsPath;
-    };
+  options.nixpkgs.allowedUnfree = lib.mkOption {
+    type = lib.types.listOf lib.types.str;
+    default = [ ];
   };
 
-  nix = {
-    optimise = {
-      automatic = true;
-      dates = [ "05:00" ];
-    };
-    gc = {
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 30d";
-    };
-  };
+  config = {
+    system.stateVersion = "25.05";
 
-  system.autoUpgrade = {
-    enable = true;
-    flake = flakePath;
-    flags = [
-      "--recreate-lock-file"
-      "--commit-lock-file"
-      "--print-build-logs"
-      "--refresh"
+    nix.settings.experimental-features = [
+      "nix-command"
+      "flakes"
     ];
-    dates = "05:00";
-    randomizedDelaySec = "45min";
-    allowReboot = false;
+
+    nixpkgs.config.allowUnfreePredicate =
+      pkg: builtins.elem (lib.getName pkg) config.nixpkgs.allowedUnfree;
+
+    home-manager = {
+      useGlobalPkgs = true;
+      useUserPackages = true;
+      extraSpecialArgs = {
+        inherit inputs outputs dotsPath;
+      };
+    };
+
+    nix = {
+      optimise = {
+        automatic = true;
+        dates = [ "05:00" ];
+      };
+      gc = {
+        automatic = true;
+        dates = "weekly";
+        options = "--delete-older-than 30d";
+      };
+    };
+
+    system.autoUpgrade = {
+      enable = true;
+      flags = [
+        "--recreate-lock-file"
+        "--commit-lock-file"
+        "--print-build-logs"
+        "--refresh"
+      ];
+      dates = "05:00";
+      randomizedDelaySec = "45min";
+      allowReboot = false;
+    };
   };
 }

modules/gaming/default.nix

@@ -0,0 +1,12 @@
+{
+  nixpkgs.allowedUnfree = [
+    "steam"
+    "steam-unwrapped"
+  ];
+
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = false;
+    dedicatedServer.openFirewall = false;
+  };
+}

modules/nvidia/default.nix

@@ -0,0 +1,22 @@
+{ config, ... }:
+
+{
+  nixpkgs.allowedUnfree = [
+    "nvidia-x11"
+    "nvidia-persistenced"
+    "nvidia-settings"
+  ];
+
+  hardware.graphics.enable = true;
+
+  hardware.nvidia = {
+    modesetting.enable = true;
+    powerManagement.enable = true;
+    powerManagement.finegrained = false;
+    open = true;
+    nvidiaSettings = true;
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+
+  services.xserver.videoDrivers = [ "nvidia" ];
+}