Do not install waybar on neelix.

nix/configuration/hosts/odo/default.nix

@@ -56,4 +56,5 @@
   me.vnc_client.enable = true;
   me.vscode.enable = true;
   me.wasm.enable = true;
+  me.waybar.enable = true;
 }

nix/configuration/roles/waybar/default.nix

@@ -4,6 +4,7 @@
   pkgs,
   ...
 }:
+
 let
   waybar_sway_config = pkgs.writeTextFile {
     name = "waybar.conf";
@@ -79,6 +80,18 @@ in
 {
   imports = [ ];
 
+  options.me = {
+    waybar.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install waybar.";
+    };
+  };
+
+  config = lib.mkIf config.me.waybar.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
         environment.systemPackages = with pkgs; [
           waybar
           waybar_available_memory
@@ -112,5 +125,7 @@ in
               };
             };
           };
-
+      })
+    ]
+  );
 }