WIP: flake: home-manager: export NixOS homes

WIP: this does not take into account the `profiles` which *also* setup
home-manager modules...

And here is what the last few commits were building up to.

This is neat, but won't be useful *very* often.

modules/common/profiles/default.nix

@@ -1,5 +1,5 @@
 # Configuration that spans accross system and home, or are almagations of modules
-{ config, lib, type, ... }:
+{ ... }:
 {
   imports = [
     ./bluetooth
@@ -9,17 +9,4 @@
     ./wm
     ./x
   ];
-
-  config = lib.mkMerge [
-    # Transparently enable home-manager profiles as well
-    (lib.optionalAttrs (type == "nixos") {
-      home-manager.users.${config.my.user.name} = {
-        config = {
-          my = {
-            inherit (config.my) profiles;
-          };
-        };
-      };
-    })
-  ];
 }

modules/nixos/home/default.nix

@@ -19,6 +19,13 @@ in
           "${inputs.self}/modules/common"
           "${inputs.self}/modules/home"
         ];
+
+        config = {
+          my = {
+            # Transparently enable home-manager profiles as well
+            inherit (config.my) profiles;
+          };
+        };
       };
 
       # Nix Flakes compatibility