From 686db53ada34965b80b6100e1605e537dcec9977 Mon Sep 17 00:00:00 2001
From: Mikolaj Galkowski <mikolaj.galkowski@gmail.com>
Date: Thu, 5 Aug 2021 09:29:28 +0200
Subject: [PATCH] unityhub: add a .desktop item

---
 pkgs/development/tools/unityhub/default.nix | 24 +++++++++++++++------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/tools/unityhub/default.nix b/pkgs/development/tools/unityhub/default.nix
index e60e0b77331b..cf3c17823dc0 100644
--- a/pkgs/development/tools/unityhub/default.nix
+++ b/pkgs/development/tools/unityhub/default.nix
@@ -2,8 +2,14 @@
 
 let
   version = "2.3.2";
-in appimageTools.wrapType2 rec {
+  src = fetchurl {
+    # mirror of https://public-cdn.cloud.unity3d.com/hub/prod/UnityHub.AppImage
+    url = "https://archive.org/download/unity-hub-${version}/UnityHub.AppImage";
+    sha256 = "07nfyfp9apshqarc6pgshsczila6x4943hiyyizc55kp85aw0imn";
+  };
   name = "unityhub";
+in appimageTools.wrapType2 rec {
+  inherit name src;
 
   extraPkgs = (pkgs: with pkgs; with xorg; [ gtk2 gdk-pixbuf glib libGL libGLU nss nspr
     alsa-lib cups gnome2.GConf libcap fontconfig freetype pango
@@ -16,16 +22,20 @@ in appimageTools.wrapType2 rec {
     libselinux pciutils libpulseaudio libxml2 icu clang cacert
   ]);
 
+  extraInstallCommands =
+    let appimageContents = appimageTools.extractType2 { inherit name src; }; in
+    ''
+      install -Dm444 ${appimageContents}/unityhub.desktop -t $out/share/applications
+      substituteInPlace $out/share/applications/unityhub.desktop \
+        --replace 'Exec=AppRun' 'Exec=${name}'
+      install -m 444 -D ${appimageContents}/unityhub.png \
+        $out/share/icons/hicolor/64x64/apps/unityhub.png
+    '';
+
   profile = ''
     export XDG_DATA_DIRS=${gsettings-desktop-schemas}/share/gsettings-schemas/${gsettings-desktop-schemas.name}:${gtk3}/share/gsettings-schemas/${gtk3.name}:$XDG_DATA_DIRS
   '';
 
-  src = fetchurl {
-    # mirror of https://public-cdn.cloud.unity3d.com/hub/prod/UnityHub.AppImage
-    url = "https://archive.org/download/unity-hub-${version}/UnityHub.AppImage";
-    sha256 = "07nfyfp9apshqarc6pgshsczila6x4943hiyyizc55kp85aw0imn";
-  };
-
   meta = with lib; {
     homepage = "https://unity3d.com/";
     description = "Game development tool";