anchor.diff: -{ fetchurl, stdenv, bash, jre8 }:
  +{ fetchurl, stdenv, makeDesktopItem, unzip, bash, jre8 }:
   
   stdenv.mkDerivation rec {
     name = "gpsprune-${version}";
  
positive.code: 
    buildInputs = [ jre8 ];
  
    installPhase = ''
      mkdir -p $out/bin $out/share/java
      cp -v $src $out/share/java/gpsprune.jar
  
negative.code:     exec ${jre8}/bin/java -jar $out/share/java/gpsprune.jar "\$@"
      EOF
      chmod 755 $out/bin/gpsprune
  
      mkdir -p $out/share/applications
      cp $desktopItem/share/applications"/"* $out/share/applications
      mkdir -p $out/share/pixmaps
      ${unzip}/bin/unzip -p $src tim/prune/gui/images/window_icon_64.png > $out/share/pixmaps/gpsprune.png
    '';
  
    meta = with stdenv.lib; {
  