rgb again maybe this time without weird shit

pkgs/mspaint/default.nix

@@ -1,10 +1,22 @@
-{ pkgs, ... }: let
+{ pkgs, wine ? pkgs.wine, ... }: let
   wrapped = pkgs.writeShellScriptBin "mspaint" ''
-    ${pkgs.wine}/bin/wine ${./mspaint.exe}
+    ${wine}/bin/wine ${./bin}/mspaint.exe
   '';
-in pkgs.makeDesktopItem {
-  name = "mspaint";
-  desktopName = "mspaint";
-  type = "Application";
-  exec = "${wrapped}/bin/mspaint";
-}
+  desktopItem = pkgs.makeDesktopItem {
+    name = "mspaint";
+    desktopName = "mspaint";
+    type = "Application";
+    categories = [ "Graphics" ];
+    exec = "${wrapped}/bin/mspaint";
+  };
+in pkgs.stdenvNoCC.mkDerivation {
+  pname = "mspaint";
+  version = "0.0.0";
+  src = wrapped;
+
+  nativeBuildInputs = [
+    pkgs.copyDesktopItems
+  ];
+
+  desktopItems = [ desktopItem ];
+}