use lazyAttrsOf and raw for nixosConfiguration (#2)

Fixes #1

Author: vic

README.md

@@ -9,13 +9,13 @@
 
 # Dendritic unflake
 
-This repository serves as an example Dendritic Nix setup implemented **without** flakes nor flake-parts.
+This repository serves as an example Dendritic Nix implementation **without** flakes nor flake-parts.
 
 
-Entry point is [default.nix](default.nix) and has an [example](modules/example.nix) Dendritic nixosConfiguration.
+Entry point is [default.nix](default.nix), [modules/example.nix](modules/example.nix) defines a nixosConfiguration.
 
 
-This example uses [unflake](https://discourse.nixos.org/t/unflake-flake-dependencies-for-non-flake-projects-and-a-way-to-stop-writing-follows/72611) to fetch dependencies.
+This example uses [unflake](https://discourse.nixos.org/t/unflake-flake-dependencies-for-non-flake-projects-and-a-way-to-stop-writing-follows/72611) to fetch dependencies and provide flake-like inputs.
 
 
 ## Usage
@@ -29,11 +29,11 @@ nix-shell https://ln-s.sh/unflake -A unflake-shell --run unflake
 Build `my-laptop` nixos config:
 
 ```console
-nixos-rebuild build --file . --attr nixosConfigurations.my-laptop
+nixos-rebuild build -f . -A nixosConfigurations.my-laptop
 ```
 
 alternatively:
 
 ```console
-nix-build . --attr nixosConfigurations.my-laptop.config.system.build.toplevel
+nix-build -A nixosConfigurations.my-laptop.config.system.build.toplevel
 ```

modules/example.nix

@@ -1,28 +1,22 @@
 { lib, self, ... }:
 {
-
   modules.nixos.no-boot = {
     boot.loader.grub.enable = false;
     fileSystems."/".device = "/dev/no-device";
   };
 
-  modules.nixos.installer =
-    { modulesPath, ... }:
-    {
-      imports = [ (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix") ];
-    };
-
   modules.nixos.statics = {
     system.stateVersion = "25.11";
     nixpkgs.hostPlatform = "x86_64-linux";
     passthru = { };
   };
 
+  modules.nixos.my-laptop.imports = with self.modules.nixos; [
+    statics
+    no-boot
+  ];
+
   nixosConfigurations.my-laptop = lib.nixosSystem {
-    modules = with self.modules.nixos; [
-      statics
-      no-boot
-      # installer
-    ];
+    modules = [ self.modules.nixos.my-laptop ];
   };
 }

modules/options/modules.nix

@@ -1,8 +1,8 @@
 { lib, ... }:
 {
   options.modules = lib.mkOption {
-    description = "<class>.<aspect> modules. equivalent to flake-parts' flake.modules";
+    description = "<class>.<aspect> modules. akin to flake-parts' flake.modules";
     default = { };
-    type = lib.types.attrsOf (lib.types.attrsOf lib.types.deferredModule);
+    type = lib.types.lazyAttrsOf (lib.types.lazyAttrsOf lib.types.deferredModule);
   };
 }

modules/options/nixos-configurations.nix

@@ -3,6 +3,6 @@
   options.nixosConfigurations = lib.mkOption {
     description = "NixOS configurations";
     default = { };
-    type = lib.types.attrsOf lib.types.anything;
+    type = lib.types.lazyAttrsOf lib.types.raw;
   };
 }