plasma-panel-colorizer: fix presets not being listed

The script for listing presets didn't have execute permissions.
This commit adds executable permission for the script

Co-authored-by: Heitor Augusto <IAm.HeitorALN@proton.me>

pkgs/by-name/pl/plasma-panel-colorizer/package.nix

@@ -5,7 +5,16 @@
   cmake,
   kdePackages,
   nix-update-script,
+  makeWrapper,
+  python3,
+  glib,
 }:
+let
+  pythonEnv = python3.withPackages (p: [
+    p.dbus-python
+    p.pygobject3
+  ]);
+in
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "plasma-panel-colorizer";
@@ -21,6 +30,7 @@ stdenv.mkDerivation (finalAttrs: {
   nativeBuildInputs = [
     cmake
     kdePackages.extra-cmake-modules
+    makeWrapper
   ];
 
   buildInputs = [
@@ -39,12 +49,27 @@ stdenv.mkDerivation (finalAttrs: {
 
   passthru.updateScript = nix-update-script { };
 
+  patches = [ ./use-dbus-service-directly.patch ];
+
+  postPatch = ''
+    substituteInPlace package/contents/ui/tools/service.py \
+      --replace-fail '#!/usr/bin/env python' '#!${lib.getExe pythonEnv}'
+  '';
+
+  postInstall = ''
+    chmod 755 $out/share/plasma/plasmoids/luisbocanegra.panel.colorizer/contents/ui/tools/{list_presets.sh,service.py}
+
+    wrapProgram $out/share/plasma/plasmoids/luisbocanegra.panel.colorizer/contents/ui/tools/service.py \
+      --prefix GI_TYPELIB_PATH : "${glib.out}/lib/girepository-1.0"
+  '';
+
   meta = {
     description = "Fully-featured widget to bring Latte-Dock and WM status bar customization features to the default KDE Plasma panel";
     homepage = "https://github.com/luisbocanegra/plasma-panel-colorizer";
     changelog = "https://github.com/luisbocanegra/plasma-panel-colorizer/blob/main/CHANGELOG.md";
     license = lib.licenses.gpl3Only;
     maintainers = with lib.maintainers; [ HeitorAugustoLN ];
+    sourceProvenance = [ lib.sourceTypes.fromSource ];
     inherit (kdePackages.kwindowsystem.meta) platforms;
   };
 })

pkgs/by-name/pl/plasma-panel-colorizer/use-dbus-service-directly.patch

@@ -0,0 +1,11 @@
+--- a/package/contents/ui/DBusServiceModel.qml
++++ b/package/contents/ui/DBusServiceModel.qml
+@@ -8,7 +8,7 @@ Item {
+     property string toolsDir: Qt.resolvedUrl("./tools").toString().substring(7) + "/"
+     property string serviceUtil: toolsDir + "service.py"
+     property string pythonExecutable: plasmoid.configuration.pythonExecutable
+-    property string serviceCmd: pythonExecutable + " '" + serviceUtil + "' " + Plasmoid.containment.id + " " + Plasmoid.id
++    property string serviceCmd: serviceUtil + " " + Plasmoid.containment.id + " " + Plasmoid.id
+     readonly property string service: Plasmoid.metaData.pluginId + ".c" + Plasmoid.containment.id + ".w" + Plasmoid.id
+     readonly property string path: "/preset"
+