Factor out base configuration

flake.lock

@@ -169,6 +169,22 @@
         "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1732014248,
+        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1732350895,
@@ -190,7 +206,8 @@
         "flake-parts": "flake-parts",
         "lix-module": "lix-module",
         "nixos-wsl": "nixos-wsl",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     },
     "systems": {

flake.nix

@@ -4,6 +4,7 @@
   inputs = {
     flake-parts.url = "github:hercules-ci/flake-parts";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     nixos-wsl.url = "github:nix-community/NixOS-WSL/main";
     lix-module = {
       url = "https://git.lix.systems/lix-project/nixos-module/archive/2.91.1-2.tar.gz";

nixos/machines/wsl/configuration.nix

@@ -27,9 +27,10 @@
 
           {
             imports = [
-              # include NixOS-WSL modules
+	# WSL support
               inputs.nixos-wsl.nixosModules.default
-	      lix-module.nixosModules.default
+	      # Our modules
+	      (import ../../modules/base.nix {inherit inputs;})
             ];
 	    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 

nixos/modules/base.nix

@@ -0,0 +1,20 @@
+{ inputs }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    inputs.lix-module.nixosModules.default
+  ];
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+
+  system.stateVersion = "24.11";
+}