anchor.diff:      meta = {
         description = "Provides a simple framework for writing test scripts";
       };
  +  };
  +
  +  Test2PluginNoWarnings = buildPerlPackage rec {
  +     name = "Test2-Plugin-NoWarnings-0.06";
  +     src = fetchurl {
  +       url = mirror://cpan/authors/id/D/DR/DROLSKY/Test2-Plugin-NoWarnings-0.06.tar.gz;
  +       sha256 = "002qk6qsm0l6r2kaxywvc38w0yf0mlavgywq8li076pn6kcw3242";
  +     };
  +     propagatedBuildInputs = [ TestSimple13 ];
  +     buildInputs = [ IPCRun3 Test2Suite ];
  +     meta = {
  +       description = "Fail if tests warn";
  +       license = with stdenv.lib.licenses; [ artistic2 ];
  +       homepage = "http://metacpan.org/release/Test2-Plugin-NoWarnings";
  +     };
     };
   
     Test2Suite = buildPerlPackage rec {
  
positive.code:   };
  
    DateTimeTimeZone = buildPerlPackage rec {
      name = "DateTime-TimeZone-1.97";
      src = fetchurl {
        url = "mirror://cpan/authors/id/D/DR/DROLSKY/${name}.tar.gz";
        sha256 = "68a5f4b0a77074f9cc96b2c1d2282e2110db74f55e43fbad72926cee0fd434c8";
      };
      buildInputs = [ TestFatal TestRequires ];
      propagatedBuildInputs = [ ClassSingleton ListAllUtils ModuleRuntime ParamsValidate TryTiny ];
      meta = {
        homepage = https://metacpan.org/release/DateTime-TimeZone;
        description = "Time zone object base class and factory";
  
negative.code:     };
    };
  
    ParamsValidationCompiler = buildPerlPackage rec {
       name = "Params-ValidationCompiler-0.27";
       src = fetchurl {
         url = mirror://cpan/authors/id/D/DR/DROLSKY/Params-ValidationCompiler-0.27.tar.gz;
         sha256 = "1cpr188c2xm0kkmdir6slcsgv7v6ibqff4lax8s0whwx6ml9kaah";
       };
       propagatedBuildInputs = [ EvalClosure ExceptionClass ];
       buildInputs = [ Specio Test2PluginNoWarnings Test2Suite TestSimple13 TestWithoutModule ];
       meta = {
         description = "Build an optimized subroutine parameter validator once, use it forever";
         license = with stdenv.lib.licenses; [ artistic2 ];
         homepage = "http://metacpan.org/release/Params-ValidationCompiler";
       };
    };
  
    PARDist = buildPerlPackage {
      name = "PAR-Dist-0.49";
      src = fetchurl {
  