anchor.diff:      propagatedBuildInputs = [ DataDumperConcise DateTime ListAllUtils MooXStrictConstructor ];
       meta = {
         description = "Code shared by the MaxMind DB reader and writer modules";
  -      homepage = "http://metacpan.org/release/MaxMind-DB-Common";
  +      homepage = "https://metacpan.org/release/MaxMind-DB-Common";
         license = with lib.licenses; [ artistic2 ];
       };
     };
  
positive.code:     doCheck=true;
      meta = {
        description = "A Test::Run plugin that";
        homepage = "http://web-cpan.shlomifish.org/modules/Test-Run";
        license = with lib.licenses; [ mit ];
      };
    };
  
negative.code:     propagatedBuildInputs = [ Moose namespaceautoclean ];
      meta = {
        description = "Mark overload code symbols as methods";
        homepage = "https://metacpan.org/release/MooseX-MarkAsMethods";
        license = with lib.licenses; [ lgpl21 ];
      };
    };
  