refactor(nix): use qtWrapperArgs

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

nix/default.nix

@@ -50,7 +50,6 @@ stdenv.mkDerivation rec {
   cmakeFlags =
     lib.optionals (msaClientID != "") ["-DLauncher_MSA_CLIENT_ID=${msaClientID}"]
     ++ lib.optionals (lib.versionOlder qtbase.version "6") ["-DLauncher_QT_VERSION_MAJOR=5"];
-  dontWrapQtApps = true;
 
   postUnpack = ''
     rm -rf source/libraries/libnbtplusplus
@@ -60,7 +59,7 @@ stdenv.mkDerivation rec {
     chown -R $USER: source/libraries/libnbtplusplus
   '';
 
-  postInstall = let
+  qtWrapperArgs = let
     libpath = with xorg;
       lib.makeLibraryPath [
         libX11
@@ -74,13 +73,12 @@ stdenv.mkDerivation rec {
         openal
         stdenv.cc.cc.lib
       ];
-  in ''
+  in [
+    "--set LD_LIBRARY_PATH /run/opengl-driver/lib:${libpath}"
+    "--prefix PRISMLAUNCHER_JAVA_PATHS : ${lib.makeSearchPath "bin/java" jdks}"
     # xorg.xrandr needed for LWJGL [2.9.2, 3) https://github.com/LWJGL/lwjgl/issues/128
-    wrapQtApp $out/bin/prismlauncher \
-      --set LD_LIBRARY_PATH /run/opengl-driver/lib:${libpath} \
-      --prefix PRISMLAUNCHER_JAVA_PATHS : ${lib.makeSearchPath "bin/java" jdks} \
-      --prefix PATH : ${lib.makeBinPath [xorg.xrandr]}
-  '';
+    "--prefix PATH : ${lib.makeBinPath [xorg.xrandr]}"
+  ];
 
   meta = with lib; {
     homepage = "https://prismlauncher.org/";