teeworlds: use wrapProgram

Replace custom wrapper by wrapProgram tool.

pkgs/games/teeworlds/default.nix

@@ -1,4 +1,6 @@
-{ fetchurl, stdenv, python, alsaLib, libX11, mesa_glu, SDL, lua5, zlib, bam, freetype }:
+{ fetchurl, stdenv, makeWrapper, python, alsaLib
+, libX11, mesa_glu, SDL, lua5, zlib, bam, freetype
+}:
 
 stdenv.mkDerivation rec {
   name = "teeworlds-0.6.3";
@@ -11,7 +13,9 @@ stdenv.mkDerivation rec {
   # we always want to use system libs instead of these
   postPatch = "rm -r other/{freetype,sdl}/{include,lib32,lib64}";
 
-  buildInputs = [ python alsaLib libX11 mesa_glu SDL lua5 zlib bam freetype ];
+  buildInputs = [
+    python makeWrapper alsaLib libX11 mesa_glu SDL lua5 zlib bam freetype
+  ];
 
   buildPhase = ''
     bam -a -v release
@@ -38,12 +42,8 @@ stdenv.mkDerivation rec {
     # that they can access the graphics and sounds.
     for program in $executables
     do
-      mv -v "$out/bin/$program" "$out/bin/.wrapped-$program"
-      cat > "$out/bin/$program" <<EOF
-    #!/bin/sh
-    cd "$out/share/${name}" && exec "$out/bin/.wrapped-$program" "\$@"
-    EOF
-      chmod -v +x "$out/bin/$program"
+      wrapProgram $out/bin/$program \
+        --run "cd $out/share/${name}"
     done
 
     # Copy the documentation.