anchor.diff: -{ lib, stdenv, fetchFromGitHub, makeWrapper, libpcap }:
  +{ lib
  +, stdenv
  +, fetchFromGitHub
  +, installShellFiles
  +, makeWrapper
  +, libpcap
  +}:
   
   stdenv.mkDerivation rec {
     pname = "masscan";
  
positive.code:   '';
  
    postInstall = ''
      mkdir -p $out/share/man/man8
      mkdir -p $out/share/{doc,licenses}/masscan
      mkdir -p $out/etc/masscan
  
      cp data/exclude.conf $out/etc/masscan
      cp -t $out/share/doc/masscan doc/algorithm.js doc/howto-afl.md doc/bot.html
      cp doc/masscan.8 $out/share/man/man8/masscan.8
      cp LICENSE $out/share/licenses/masscan/LICENSE
  
      wrapProgram $out/bin/masscan --prefix LD_LIBRARY_PATH : "${libpcap}/lib"
  
negative.code:     sha256 = "sha256-mnGC/moQANloR5ODwRjzJzBa55OEZ9QU+9WpAHxQE/g=";
    };
  
    nativeBuildInputs = [ makeWrapper installShellFiles ];
  
    makeFlags = [ "PREFIX=$(out)" "GITVER=${version}" "CC=cc" ];
  
  