refactor: don't include the whole modules

Instead only import the nixos/hm/nixvim module.

This _should_ reduce rebuilds.

flake-modules/example-vm.nix

@@ -8,9 +8,11 @@ in
 {
   # Example vm configuration
   flake.nixosConfigurations.vm = lib.nixosSystem {
-    inherit system pkgs;
+    inherit pkgs;
     modules = [
-      inputs.self.nixosModules.vm # import vm module
+      inputs.self.nixosModules.default
+      ../machines/vm
+      # import vm module
       {
         time.timeZone = "Europe/Berlin";
         i18n.defaultLocale = "en_US.UTF-8";

flake-modules/home-modules.nix

@@ -1,7 +1,4 @@
 { self, inputs, ... }:
-let
-  modules = ../modules;
-in
 {
   # FIXME(25.05): this version of HM should have the flake module
   # imports = [ inputs.home-manager.flakeModules.home-manager ];
@@ -11,7 +8,7 @@ in
       defaultModules = [
         inputs.nixvim.homeManagerModules.nixvim
         self.nixvimModules.homeManager
-        (modules + "/hm")
+        ../module/hm
       ];
       nixos = {
         imports = defaultModules;

flake-modules/nixos-modules.nix

@@ -4,9 +4,6 @@
   lib,
   ...
 }:
-let
-  modules = ../modules;
-in
 {
   flake.nixosModules =
     let
@@ -14,7 +11,7 @@ in
         imports = [
           inputs.stylix.nixosModules.stylix
           inputs.home-manager.nixosModules.home-manager
-          (modules + "/nixos")
+          ../modules/nixos
         ] ++ lib.optional (inputs.lix-module != null) inputs.lix-module.nixosModules.default;
         home-manager = {
           useGlobalPkgs = true;
@@ -24,20 +21,9 @@ in
         # Pin nixpkgs
         nix.registry.nixpkgs.flake = inputs.nixpkgs;
       };
-
-      machines = [ "vm" ];
-      mkMachine = hostname: {
-        imports = [
-          nixosModule
-          (import (../machines + "/${hostname}"))
-        ];
-        home-manager.sharedModules = [ { jhome.hostName = hostname; } ];
-      };
-      machineModules = lib.genAttrs machines mkMachine;
     in
     {
       default = nixosModule;
       inherit nixosModule;
-    }
-    // machineModules;
+    };
 }

flake-modules/nixvim-modules.nix

@@ -1,7 +1,4 @@
 { self, inputs, ... }:
-let
-  modules = ../modules;
-in
 {
   imports = [ inputs.nixvim.flakeModules.default ];
 
@@ -10,10 +7,14 @@ in
     checks.enable = false; # FIXME: borked due to nix-community/nixvim#3074
   };
 
-  flake.nixvimModules = {
-    standalone = modules + "/nixvim/standalone.nix";
-    homeManager = modules + "/nixvim";
-  };
+  flake.nixvimModules =
+    let
+      module = ../modules/nixvim;
+    in
+    {
+      standalone = "${module}/standalone.nix";
+      homeManager = module;
+    };
 
   perSystem =
     { system, ... }: