anchor.diff:        sha256 = "02hbk5dwq7fpnyb3vp7xxhb41ra48xhghl13p9pjq9lzsqlb6l19";
       };
       buildInputs = [ TestDeep TestDifferences TestWarn TestLongString ];
  -    propagatedBuildInputs = [ XSLoader SerealDecoder ];
  +    propagatedBuildInputs = [ SerealDecoder ];
       meta = {
         homepage = https://github.com/Sereal/Sereal;
         description = "Fast, compact, powerful binary deserialization";
  
positive.code:       sha256 = "1y9lfhxgwyysybing72n3hng2db5njpk2dbb80vskdz75r7ffqjp";
      };
  
      buildInputs = [ ArchiveZip_1_53 libfile-stripnondeterminism pkgs.file ];
  
      meta = with stdenv.lib; {
        description = "A Perl module for stripping bits of non-deterministic information";
  
negative.code:       url = "mirror://cpan/authors/id/I/IV/IVAN/${name}.tar.gz";
        sha256 = "7c71c7c3cbe953234dfe25bcc1ad7edb0e1f5a0578601f5523bc6070262a3817";
      };
      propagatedBuildInputs = [ pkgs.openssl IO ];
      patchPhase = ''
        sed -i 's|$ssh = "ssh";|$ssh = "${pkgs.openssh}/bin/ssh";|' SSH.pm
      '';
  