feat(package): add lutris from nixpkgs-25-11

flake.nix

@@ -1,6 +1,7 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-25-11.url = "github:nixos/nixpkgs/nixos-25.11";
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -25,6 +26,7 @@
   outputs =
     {
       nixpkgs,
+      nixpkgs-25-11,
       home-manager,
       nixvim,
       spotiflac-cli,
@@ -48,6 +50,7 @@
           noctalia
           inputs
           nixpkgs
+          nixpkgs-25-11
           home-manager
           ;
       };

lib/mksystem.nix

@@ -7,6 +7,7 @@
   noctalia,
   inputs,
   nixpkgs,
+  nixpkgs-25-11,
   home-manager,
 }:
 name:
@@ -26,10 +27,11 @@ let
   HMConfig = ../home;
   systemPackages = ../modules/packages.nix;
   specialArgs = {
-    pkgs-stable = import nixpkgs {
+    pkgs-unstable = import nixpkgs {
       inherit system;
       config.allowUnfree = true;
     };
+    pkgs-25-11 = nixpkgs-25-11.legacyPackages.${system};
     currentSystem = system;
     currentSystemName = name;
     currentSystemUser = user;

modules/packages.nix

@@ -1,5 +1,6 @@
 {
   pkgs,
+  pkgs-25-11,
   gamingSystem,
   workSystem,
   currentSystemDe,
@@ -103,6 +104,8 @@
 
           # Required for Discord RPC
           arrpc
+
+          pkgs-25-11.lutris-free
         ]
       else
         [ ]