anchor.diff:  , officialRelease ? false
   , systems ? [ "i686-linux" "x86_64-linux" ]
   , disnixJobset ? import ../disnix/release.nix { inherit nixpkgs systems officialRelease; }
  -, dysnomiaJobset ? import ../disnix/release.nix { inherit nixpkgs systems officialRelease; }
  +, dysnomiaJobset ? import ../dysnomia/release.nix { inherit nixpkgs systems officialRelease; }
   }:
   
   let
  
positive.code:               # Realise test. First a bash derivation file is instantiated,
                # then it is realised. This test should succeed.
                
                my $result = $server->mustSucceed("nix-instantiate ${nixpkgs} -A bash");
                $client->mustSucceed("disnix-soap-client --target http://server:8080/DisnixWebService/services/DisnixWebService --realise $result");
                
                # Export test. Exports the closure of the bash shell on the server
                # and then imports it on the client. This test should succeed (BROKEN).
                
                #my $result = $client->mustSucceed("disnix-soap-client --target http://server:8080/DisnixWebService/services/DisnixWebService --export --remotefile ${pkgs.bash}");
                #$client->mustSucceed("nix-store --import < $result");
                
                # Import test. First we create a manifest, then we take the
  
negative.code:               
                {
                  virtualisation.writableStore = true;
                  environment.systemPackages = [ disnix DisnixWebService pkgs.stdenv pkgs.paxctl pkgs.busybox pkgs.gnumake pkgs.patchelf pkgs.gcc ];
                };
            };
            testScript = 
  