dosbox-staging: writeShellScript into makeWrapper

pkgs/misc/emulators/dosbox-staging/default.nix

···
-{ stdenv, lib, fetchFromGitHub, writeShellScript
-, gtest, meson, ninja, pkg-config
+{ lib, fetchFromGitHub, stdenv
+, gtest, makeWrapper, meson, ninja, pkg-config
 , alsa-lib, fluidsynth, libGL, libGLU, libogg, libpng, munt, opusfile, SDL2, SDL2_net
 }:
 
-let
-  dosbox_run = writeShellScript "dosbox" ''
-    $(dirname "$0")/dosbox-staging "$@"
-  '';
-
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   pname = "dosbox-staging";
   version = "0.77.1";
 
···
     sha256 = "07jwmmm1bhfxavlhl854cj8l5iy5hqx5hpwkkjbcwqg7yh9jfs2x";
   };
 
-  nativeBuildInputs = [ gtest meson ninja pkg-config ];
+  nativeBuildInputs = [ gtest makeWrapper meson ninja pkg-config ];
   buildInputs = [ alsa-lib fluidsynth libGL libGLU libogg libpng munt opusfile SDL2 SDL2_net ];
 
   hardeningDisable = [ "format" ];
···
     # binary to be named dosbox, but get out of the way of vanilla dosbox if the user
     # desires to install that as well.
     mv $out/bin/dosbox $out/bin/${pname}
-    cp -r ${dosbox_run} "$out/bin/dosbox"
+    makeWrapper $out/bin/dosbox-staging $out/bin/dosbox
     cp $out/share/man/man1/dosbox.1.gz $out/share/man/man1/${pname}.1.gz
   '';