# Add LDAP dependencies that aren't currently found within nixpkgs.
        perlPackages = prev.perlPackages // {
          NetLDAPServer = prev.perlPackages.buildPerlPackage {
            pname = "Net-LDAP-Server";
            version = "0.43";
            src = final.fetchurl {
              url = "mirror://cpan/authors/id/A/AA/AAR/Net-LDAP-Server-0.43.tar.gz";
              sha256 = "0qmh3cri3fpccmwz6bhwp78yskrb3qmalzvqn0a23hqbsfs4qv6x";
            };
            propagatedBuildInputs = with final.perlPackages; [ NetLDAP ConvertASN1 ];
            meta = {
              description = "LDAP server side protocol handling";
              license = with final.stdenv.lib.licenses; [ artistic1 ];
            };
          };

        hydra = with final; let

          NetLDAPSID = prev.perlPackages.buildPerlPackage {
            pname = "Net-LDAP-SID";
            version = "0.0001";
            src = final.fetchurl {
              url = "mirror://cpan/authors/id/K/KA/KARMAN/Net-LDAP-SID-0.001.tar.gz";
              sha256 = "1mnnpkmj8kpb7qw50sm8h4sd8py37ssy2xi5hhxzr5whcx0cvhm8";
            };
            meta = {
              description= "Active Directory Security Identifier manipulation";
              license = with final.stdenv.lib.licenses; [ artistic2 ];
            };
          };
          NetLDAPServerTest = prev.perlPackages.buildPerlPackage {
            pname = "Net-LDAP-Server-Test";
            version = "0.22";
            src = final.fetchurl {
              url = "mirror://cpan/authors/id/K/KA/KARMAN/Net-LDAP-Server-Test-0.22.tar.gz";
              sha256 = "13idip7jky92v4adw60jn2gcc3zf339gsdqlnc9nnvqzbxxp285i";
            };
            propagatedBuildInputs = with final.perlPackages; [ NetLDAP NetLDAPServer TestMore DataDump NetLDAPSID ];
            meta = {
              description= "test Net::LDAP code";
              license = with final.stdenv.lib.licenses; [ artistic1 ];
            };
          };
          CatalystAuthenticationStoreLDAP = prev.perlPackages.buildPerlPackage {
            pname = "Catalyst-Authentication-Store-LDAP";
            version = "1.016";
            src = final.fetchurl {
              url = "mirror://cpan/authors/id/I/IL/ILMARI/Catalyst-Authentication-Store-LDAP-1.016.tar.gz";
              sha256 = "0cm399vxqqf05cjgs1j5v3sk4qc6nmws5nfhf52qvpbwc4m82mq8";
            };
            propagatedBuildInputs = with final.perlPackages; [ NetLDAP CatalystPluginAuthentication ClassAccessorFast ];
            buildInputs = with final.perlPackages; [ TestMore TestMockObject TestException NetLDAPServerTest ];
            meta = {
              description= "Authentication from an LDAP Directory";
              license = with final.stdenv.lib.licenses; [ artistic1 ];
            };
          };
        };

        hydra = with final; let

                CatalystAuthenticationStoreLDAP