Refactor.

flake.nix

@@ -30,91 +30,68 @@
           config.android_sdk.accept_license = true;
         };
       };
+
+      # Common modules shared across all hosts
+      commonModules = [
+        agenix.nixosModules.default
+        {
+          environment.systemPackages = [ agenix.packages.${system}.default ];
+        }
+        (
+          { config, pkgs, ... }:
+          {
+            nixpkgs.overlays = [ overlayUnstable ];
+          }
+        )
+      ];
+
+      # Common home-manager modules
+      homeManagerModules = [
+        home-manager.nixosModules.home-manager
+        {
+          home-manager.useGlobalPkgs = true;
+          home-manager.useUserPackages = true;
+        }
+      ];
+
+      # Helper function to create a host configuration
+      mkHost =
+        {
+          hostPath,
+          extraModules ? [ ],
+          includeHomeManager ? true,
+          specialArgs ? { },
+        }:
+        nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules =
+            commonModules
+            ++ (if includeHomeManager then homeManagerModules else [ ])
+            ++ extraModules
+            ++ [ hostPath ];
+        };
     in
     {
       nixosConfigurations = {
-        nixbox = nixpkgs.lib.nixosSystem {
+        nixbox = mkHost {
-          inherit system;
+          hostPath = ./hosts/nixbox;
-          modules = [
-            agenix.nixosModules.default
-            {
-              environment.systemPackages = [ agenix.packages.${system}.default ];
-            }
-            (
-              { config, pkgs, ... }:
-              {
-                nixpkgs.overlays = [ overlayUnstable ];
-              }
-            )
-            home-manager.nixosModules.home-manager
-            {
-              home-manager.useGlobalPkgs = true;
-              home-manager.useUserPackages = true;
-            }
-            ./hosts/nixbox
-          ];
         };
-        flynode = nixpkgs.lib.nixosSystem {
+
-          inherit system;
+        flynode = mkHost {
-          modules = [
+          hostPath = ./hosts/flynode;
-            agenix.nixosModules.default
+          extraModules = [ nixos-hardware.nixosModules.lenovo-thinkpad-z13-gen1 ];
-            {
-              environment.systemPackages = [ agenix.packages.${system}.default ];
-            }
-            (
-              { config, pkgs, ... }:
-              {
-                nixpkgs.overlays = [ overlayUnstable ];
-              }
-            )
-            nixos-hardware.nixosModules.lenovo-thinkpad-z13-gen1
-            home-manager.nixosModules.home-manager
-            {
-              home-manager.useGlobalPkgs = true;
-              home-manager.useUserPackages = true;
-            }
-            ./hosts/flynode
-          ];
         };
-        thewordnerd = nixpkgs.lib.nixosSystem {
+
-          inherit system;
+        thewordnerd = mkHost {
+          hostPath = ./hosts/hub;
+          extraModules = [ simple-nixos-mailserver.nixosModule ];
           specialArgs = { inherit inputs; };
-          modules = [
-            agenix.nixosModules.default
-            {
-              environment.systemPackages = [ agenix.packages.${system}.default ];
-            }
-            (
-              { config, pkgs, ... }:
-              {
-                nixpkgs.overlays = [ overlayUnstable ];
-              }
-            )
-            home-manager.nixosModules.home-manager
-            {
-              home-manager.useGlobalPkgs = true;
-              home-manager.useUserPackages = true;
-            }
-            simple-nixos-mailserver.nixosModule
-            ./hosts/hub
-          ];
         };
-        garden = nixpkgs.lib.nixosSystem {
+
-          inherit system;
+        garden = mkHost {
+          hostPath = ./hosts/garden;
+          includeHomeManager = false;
           specialArgs = { inherit inputs; };
-          modules = [
-            agenix.nixosModules.default
-            {
-              environment.systemPackages = [ agenix.packages.${system}.default ];
-            }
-            (
-              { config, pkgs, ... }:
-              {
-                nixpkgs.overlays = [ overlayUnstable ];
-              }
-            )
-            ./hosts/garden
-          ];
         };
       };
     };