mcaselector: add desktop entry and icon (#547481)

pkgs/by-name/mc/mcaselector/package.nix

@@ -3,17 +3,26 @@
   stdenvNoCC,
   fetchurl,
   makeWrapper,
+  makeDesktopItem,
+  copyDesktopItems,
   wrapGAppsHook3,
   jre,
 }:
 let
+  version = "2.8";
+
   jre' = jre.override {
     enableJavaFX = true;
   };
+
+  icon = fetchurl {
+    url = "https://github.com/Querz/mcaselector/raw/${version}/installer/linux/icon.png";
+    hash = "sha256-nUHTxFHKhp//AL3/B43iXPmp/gcCQPgrEqGAV23U/Vs=";
+  };
 in
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "mcaselector";
-  version = "2.8";
+  inherit version;
 
   src = fetchurl {
     url = "https://github.com/Querz/mcaselector/releases/download/${finalAttrs.version}/mcaselector-${finalAttrs.version}.jar";
@@ -27,6 +36,22 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     jre'
     makeWrapper
     wrapGAppsHook3
+    copyDesktopItems
+  ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "mcaselector";
+      desktopName = "MCA Selector";
+      comment = "Select, edit, and export chunks of your Minecraft world";
+      exec = "mcaselector";
+      icon = "mcaselector";
+      categories = [
+        "Game"
+        "Java"
+      ];
+      startupWMClass = "net.querz.mcaselector.ui.Window";
+    })
   ];
 
   dontWrapGApps = true;
@@ -34,8 +59,9 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   installPhase = ''
     runHook preInstall
 
-    mkdir -p $out/{bin,lib/mcaselector}
+    mkdir -p $out/{bin,lib/mcaselector,share/icons/hicolor/512x512/apps}
     cp $src $out/lib/mcaselector/mcaselector.jar
+    cp ${icon} $out/share/icons/hicolor/512x512/apps/mcaselector.png
 
     runHook postInstall
   '';