anchor.diff:  { fetchurl, stdenv, perl }:
   
   stdenv.mkDerivation rec {
  -  name = "parallel-20140822";
  +  name = "parallel-20140922";
   
     src = fetchurl {
       url = "mirror://gnu/parallel/${name}.tar.bz2";
  -    sha256 = "8a146a59bc71218921d561f2c801b85e06fe3a21571083b58e6e0966dd397fd4";
  +    sha256 = "0hxx1h2ba6y2y1vy02r2hzndid2b469hj08f0vlmpjqw5g4f52a5";
     };
   
     patchPhase =
  
positive.code:   buildInputs = [ perl ];
    doCheck = true;
  
    meta = {
      description = "Shell tool for executing jobs in parallel";
  
      longDescription =
  
negative.code: 
      homepage = http://www.gnu.org/software/parallel/;
  
      license = licenses.gpl3Plus;
  
      platforms = platforms.all;
      maintainers = with maintainers; [ pSub ];
    };
  }
  