anchor.diff:  
       ${desktopItem.buildCommand}
       install -D $icon $out/share/icons/hicolor/symbolic/apps/minecraft-launcher.svg
  -
  -    makeWrapper $out/opt/minecraft-launcher/minecraft-launcher $out/bin/minecraft-launcher \
  -      --prefix LD_LIBRARY_PATH : ${envLibPath} \
  -      --prefix PATH : ${stdenv.lib.makeBinPath [ jre ]} \
  -      --run "cd /tmp" # Do not create `GPUCache` in current directory
     '';
   
     preFixup = ''
  
positive.code:     sha256 = "0w8z21ml79kblv20wh5lz037g130pxkgs8ll9s3bi94zn2pbrhim";
    };
  
    nativeBuildInputs = [ makeWrapper ];
  
    sourceRoot = ".";
  
    dontConfigure = true;
    dontBuild = true;
  
  
negative.code:       $out/opt/minecraft-launcher/liblauncher.so
    '';
  
    postFixup = ''
      # Do not create `GPUCache` in current directory
      makeWrapper $out/opt/minecraft-launcher/minecraft-launcher $out/bin/minecraft-launcher \
        --prefix LD_LIBRARY_PATH : ${envLibPath} \
        --prefix PATH : ${stdenv.lib.makeBinPath [ jre ]} \
        --run "cd /tmp" \
        "''${gappsWrapperArgs[@]}"
    '';
  
    meta = with stdenv.lib; {
      description = "Official launcher for Minecraft, a sandbox-building game";
      homepage = "https://minecraft.net";
  