anchor.diff:      url = "https://github.com/i2p/i2p.i2p/archive/${name}.tar.gz";
       sha256 = "1q9sda1a708laxf452qnzbfv7bwfwyam5n1giw2n3z3ar602i936";
     };
  -  buildInputs = [ openjdk8 ant gettext ];
  +  buildInputs = [ jdk ant gettext which ];
     buildPhase = ''
       export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF8"
       ant preppkg-linux-only
  
positive.code: { stdenv, procps, coreutils, fetchurl, openjdk8, openjre, ant, gcj, gettext }:
  
  stdenv.mkDerivation rec {
    name = "i2p-0.9.19";
  
negative.code:       -e "s#/usr/bin/tr#${coreutils}/bin/tr#" \
        -e 's#%USER_HOME#$HOME#' \
        -e "s#%SYSTEM_java_io_tmpdir#/tmp#" \
        -e 's#JAVA=java#JAVA=${jre}/bin/java#'
      sed -i $out/runplain.sh \
        -e "s#nohup \(.*Launch\) .*#\1#" \
        -e "s#echo \$\! .*##"
      mv $out/runplain.sh $out/bin/i2prouter-plain
      mv $out/man $out/share/
      chmod +x $out/bin/* $out/i2psvc
  