Only set up home dirs for local users

module.nix

@@ -14,6 +14,20 @@ let
   hostname = config.instance.hostname;
   enable-gui = config.fudo.hosts.${hostname}.enable-gui;
 
+  user-config-map = {
+    niten = ./niten.nix;
+    # FIXME: Root shouldn't have all this stuff installed!
+    root = ./niten.nix;
+    viator = ./niten.nix;
+    xiaoxuan = ./xiaoxuan.nix;
+  };
+
+  local-users = let
+    local-usernames = attrNames config.instance.local-users;
+  in filterAttrs
+    (username: userOpts: elem username local-usernames)
+    user-config-map;
+
 in {
 
   config.home-manager = {
@@ -24,14 +38,18 @@ in {
         user-cfg = config.fudo.users.${username};
         user-email = user-cfg.email;
         home-dir = user-cfg.home-directory;
-      in import user-configs.${username}
-        { inherit username user-email home-dir; };
-    in mapAttrs generate-config {
-      niten = ./niten.nix;
-      # FIXME: Root shouldn't have all this stuff installed!
-      root = ./niten.nix;
-      viator = ./niten.nix;
-      xiaoxuan = ./xiaoxuan.nix;
-    };
+      in (import user-configs.${username} {
+        inherit
+          config
+          lib
+          pkgs
+          doom-emacs
+          niten-doom-config
+          username
+          user-email
+          home-dir
+          enable-gui;
+      });
+    in mapAttrs generate-config local-users;
   };
 }