nixfmt

overlays/unstable/default.nix

@@ -4,4 +4,4 @@ final: _prev: {
     system = final.system;
     config.allowUnfree = true;
   };
-}
+}

overlays/waybar/default.nix

@@ -1,6 +1,6 @@
 { ... }:
 final: prev: {
   waybar = prev.waybar.overrideAttrs (old: {
-    mesonFlags = (old.mesonFlags or []) ++ [ "-Dexperimental=true" ];
+    mesonFlags = (old.mesonFlags or [ ]) ++ [ "-Dexperimental=true" ];
   });
 }