split into tower and laptop config

flake.nix

@@ -2,10 +2,10 @@
   description = "NixOS + Home Manager config";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
     home-manager = {
-      url = "github:nix-community/home-manager/release-25.05";
+      url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
@@ -13,6 +13,7 @@
 
   outputs = inputs@{ self, nixpkgs, home-manager, ... }: {
 
+
     nixosConfigurations = {
       segfault-machine = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
@@ -26,7 +27,7 @@
             home-manager.useUserPackages = true;
 
             home-manager.users.lukas.imports = [
-              ./home/lukas/default.nix
+              ./home/lukas/laptop/default.nix
             ];
 
             home-manager.extraSpecialArgs = { inherit inputs; };
@@ -34,6 +35,27 @@
           }
         ];
       };
+
+      segfault-tower = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        specialArgs = { inherit inputs; };
+        modules = [
+          ./hosts/segfault-tower/configuration.nix
+
+          home-manager.nixosModules.home-manager {
+            home-manager.backupFileExtension = "backup";
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            home-manager.users.lukas.imports = [
+              ./home/lukas/tower/default.nix
+            ];
+
+            home-manager.extraSpecialArgs = { inherit inputs; };
+          }
+        ];
+      };
+
     };
   };
 }