anchor.diff:  
     preBuild = ''
       substituteInPlace "Makefile" \
  -      --replace "/bin/pwd" "pwd"
  +      --replace "/bin/pwd" "pwd" \
  +      --replace "HTMLOld.3pm" "HTMLOld.3"
   
       # munin checks at build time if user/group exists, unpure
       sed -i '/CHECKUSER/d' Makefile
  
positive.code: { stdenv, fetchurl, makeWrapper, which, coreutils, rrdtool, perl, perlPackages
  , python, ruby, openjdk, nettools
  }:
  
  
negative.code:   version = "2.0.19";
    name = "munin-${version}";
  
    src = fetchgit {
      url = "git://github.com/munin-monitoring/munin.git";
      rev = "refs/tags/${version}";
      sha256 = "0027rrdrmcql68b475jlxnfgkijbfngynkjpdii6fgaszswqz3ay";
    };
  
    buildInputs = [ 
  