anchor.diff:      cp -R * $out/checkstyle
     '';
   
  -  meta = {
  +  meta = with stdenv.lib; {
       description = "Checks Java source against a coding standard";
       longDescription = ''
         checkstyle is a development tool to help programmers write Java code that
  
positive.code: { stdenv, fetchurl }:
  
  stdenv.mkDerivation rec {
    version = "5.7";
    name = "checkstyle-${version}";
  
    src = fetchurl {
      url = "mirror://sourceforge/checkstyle/${version}/${name}-bin.tar.gz";
      sha256 = "0kzj507ylynq6p7v097bjzsckkjny5i2fxwxyrlwi5samhi2m06x";
    };
  
    installPhase = ''
  
negative.code:       Conventions, but is highly configurable.
      '';
      homepage = http://checkstyle.sourceforge.net/;
      license = licenses.lgpl21;
      maintainers = with maintainers; [ pSub ];
    };
  }
  