flake: extract nixosModules as submodule

flake.nix

@@ -188,44 +188,7 @@
 
         };
 
-      nixosModules = {
-
-        # this one includes all of my modules
-        # - most of them only change things when enabled (e.g. x-banananetwork.*.enable)
-        # - others only introduce small, reasonable changes if other module’s options are set, as reasonable defaults (if I intend to upstream them)
-        # however, use on your own discretion
-        banananetwork = import ./nix/nixos-modules;
-
-        # this one defines common options for my systems to my modules
-        # you definitely do not want to use this
-        myOptions = import ./nix/myOptions.nix;
-
-        # this one also includes required dependencies from flake inputs
-        withDepends =
-          { config, pkgs, ... }:
-          {
-            imports = [
-              inputs.disko.nixosModules.disko
-              inputs.home-manager.nixosModules.home-manager
-              inputs.impermanence.nixosModules.impermanence
-              inputs.secrix.nixosModules.secrix
-              outputs.nixosModules.banananetwork
-            ];
-            config = {
-              nixpkgs.overlays = [
-                # TODO until 24.11
-                (lib.mkIf (!lib.versionAtLeast lib.version "24.11") (
-                  final: prev: {
-                    inherit ((lib.systemSpecificVars pkgs.system).pkgs_unstable) nixfmt-rfc-style wcurl;
-                  }
-                ))
-              ];
-            };
-          };
-
-      };
-
-
+      nixosModules = importFlakeMod ./nix/nixos-modules;
 
       packages = importFlakeModWithSystem ./nix/packages;
 

nix/nixos-modules/default.nix

@@ -1,7 +1,19 @@
-# ../../flakes.nix expects this to just be a NixOS module
 {
+  inputs,
+  lib,
+  outputs,
+  self,
+  ...
+}@flakeArg:
+{
+
+  default = self.withDepends;
 
-  imports = [
+  # this one includes all of my modules
+  # - most of them only change things when enabled (e.g. x-banananetwork.*.enable)
+  # - others only introduce small, reasonable changes if other module’s options are set, as reasonable defaults (if I intend to upstream them)
+  # however, use on your own discretion
+  banananetwork.imports = [
     # directories
     ./extends
     ./frontend
@@ -21,4 +33,31 @@
     ./vmCommon.nix
   ];
 
+  # this one defines common options for my systems to my modules
+  # you definitely do not want to use this
+  myOptions = import ../myOptions.nix;
+
+  # this one also includes required dependencies from flake inputs
+  withDepends =
+    { config, pkgs, ... }:
+    {
+      imports = [
+        inputs.disko.nixosModules.disko
+        inputs.home-manager.nixosModules.home-manager
+        inputs.impermanence.nixosModules.impermanence
+        inputs.secrix.nixosModules.secrix
+        outputs.nixosModules.banananetwork
+      ];
+      config = {
+        nixpkgs.overlays = [
+          # TODO until 24.11
+          (lib.mkIf (!lib.versionAtLeast lib.version "24.11") (
+            final: prev: {
+              inherit ((lib.systemSpecificVars pkgs.system).pkgs_unstable) nixfmt-rfc-style wcurl;
+            }
+          ))
+        ];
+      };
+    };
+
 }