adapt config for use with standalone home-manager

modules/global/home.nix

@@ -1,5 +1,5 @@
 { inputs, self, ... }: {
-  flake.homeModules.global = { osConfig, config, pkgs, ... }: {
+  flake.homeModules.global = { config, pkgs, osConfig, ... }: {
     nix.gc = {
       automatic = true;
       persistent = true;
@@ -7,13 +7,24 @@
     };
 
     home = {
-      stateVersion = osConfig.info.stateVersion;
+      stateVersion = config.info.stateVersion;
 
       packages = with pkgs; [
         speedtest-go
-      ] ++ osConfig.features.applications.extraUserPackages;
+      ] ++ config.features.applications.extraPackages
+      ++ (if !(builtins.hasAttr "osConfig" self) then [
+        pkgs.home-manager
+      ] else []);
 
       shell.enableBashIntegration = true;
+
+      username = "grey";
+      homeDirectory = "/home/${config.home.username}";
+    };
+
+    xdg = {
+      enable = true;
+      localBinInPath = !(builtins.hasAttr "osConfig" self);
     };
 
     programs = {