anchor.diff:      };
     }) // { perl-bindings = perl-bindings { nix = nixStable; }; };
   
  -  nixUnstable = nix;
  -/*
     nixUnstable = (lib.lowPrio (common rec {
       name = "nix-2.0${suffix}";
  -    suffix = "pre5968_a6c0b773";
  +    suffix = "pre6137_e3cdcf89";
       src = fetchFromGitHub {
         owner = "NixOS";
         repo = "nix";
  -      rev = "a6c0b773b72d4e30690e01f1f1dcffc28f2d9ea1";
  -      sha256 = "0i8wcblcjw3291ba6ki4llw3fgm8ylp9q52kajkyr58dih537346";
  +      rev = "e3cdcf89b0ef42f81c9df5899776ea225f1ecae0";
  +      sha256 = "1s9w7ixc2qra3x9545f9a634654rvdqsf38jp9b7wr6xx6qqx60s";
       };
       fromGit = true;
     })) // { perl-bindings = perl-bindings { nix = nixUnstable; }; };
  -*/
   
   }
  
positive.code:           (aws-sdk-cpp.override {
              apis = ["s3"];
              customMemoryManagement = false;
            });
  
      propagatedBuildInputs = [ boehmgc ];
  
  
negative.code: { lib, stdenv, fetchurl, fetchFromGitHub, perl, curl, bzip2, sqlite, openssl ? null, xz
  , pkgconfig, boehmgc, perlPackages, libsodium, aws-sdk-cpp, brotli, boost
  , autoreconfHook, autoconf-archive, bison, flex, libxml2, libxslt, docbook5, docbook5_xsl
  , libseccomp, busybox-sandbox-shell
  , hostPlatform, buildPlatform
  