pyfa: add desktop-item (#371912)

pkgs/by-name/py/pyfa/package.nix

@@ -6,6 +6,8 @@
   adwaita-icon-theme,
   wrapGAppsHook3,
   gdk-pixbuf,
+  makeDesktopItem,
+  copyDesktopItems,
 }:
 let
   version = "2.61.3";
@@ -22,6 +24,17 @@ python3Packages.buildPythonApplication rec {
     hash = "sha256-i8NcRTn817gqwQP6j0RPUJkq09eTI4nfe3EVqYnWRpo=";
   };
 
+  desktopItems = [
+    (makeDesktopItem {
+      name = pname;
+      exec = "${pname} %U";
+      icon = "pyfa";
+      desktopName = pname;
+      genericName = "Python fitting assistant for Eve Online";
+      categories = [ "Game" ];
+    })
+  ];
+
   build-system = [ python3Packages.setuptools ];
   dependencies = with python3Packages; [
     wxpython
@@ -50,6 +63,7 @@ python3Packages.buildPythonApplication rec {
   nativeBuildInputs = [
     python3Packages.pyinstaller
     wrapGAppsHook3
+    copyDesktopItems
   ];
 
   #
@@ -90,12 +104,18 @@ python3Packages.buildPythonApplication rec {
   # exposing the innards of pyfa to the rest of the env.
   #
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/bin
     mkdir -p $out/share/pixmaps
+    mkdir -p $out/share/icons/hicolor/64x64/apps/
 
     cp -r dist/pyfa $out/share/
     cp imgs/gui/pyfa64.png $out/share/pixmaps/pyfa.png
+    cp imgs/gui/pyfa64.png $out/share/icons/hicolor/64x64/apps/${pname}.png
     ln -sf $out/share/pyfa/pyfa $out/bin/pyfa
+
+    runHook postInstall
   '';
 
   fixupPhase = ''