misc improvements to modularity

modules/global/nixos.nix

@@ -53,8 +53,6 @@
       extraGroups = [ "networkmanager" "wheel" ];
     };
 
-    nixpkgs.config.allowUnfree = true;
-
     environment.systemPackages = with pkgs; [
       git
       fzf
@@ -84,12 +82,13 @@
       powerOnBoot = false;
     };
 
-    home-manager.users.grey = lib.mkIf (config.features.nixos.home-manager.enable) {
+    nixpkgs.config.allowUnfree = true;
+
+    home-manager.users.${config.info.userName} = lib.mkIf (config.features.nixos.home-manager.enable) {
       info = {
-        rootPath = lib.mkDefault config.info.rootPath;
-        hostName = lib.mkDefault config.info.hostName;
-        stateVersion = lib.mkDefault config.info.stateVersion;
-        isStandalone = lib.mkDefault false;
+        inherit (config.info) rootPath userName hostName stateVersion;
+        hostPlatform = config.nixpkgs.hostPlatform.system;
+        isStandalone = false;
       };
     };