anchor.diff:              cp -f ${pkgs.writeText "pg_hba.conf" cfg.authentication} ${cfg.dataDir}/pg_hba.conf
           end script
   
  -        respawn ${run} -c '${postgresql}/bin/postgres -D ${cfg.dataDir}'
  +        respawn ${run} -c '${postgresql}/bin/postgres -D ${cfg.dataDir} ${toString flags}'
         '';
         }];
     };
  
positive.code:     "gw6c" else "network-interfaces";
  
    run = "${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh postgres";
  
  in
  
  
negative.code:             How to authorize users. 
              Note: ident needs absolute trust to all allowed client hosts.";
          };
          enableTCPIP = mkOption {
            default = false;
            description = "
              Whether to run PostgreSQL with -i flag to enable TCP/IP connections.
            ";
          };
        };
      };
    };
  