anchor.diff:      };
     };
   }
  -
  
positive.code:       };
      } else {};
  
  
      services.nginx.virtualHosts = if cfg.virtualHost == "${virtualHostName}" then {
        "${virtualHostName}" = {
          root = "${root}";
          extraConfig = ''
            access_log  /var/log/nginx-${virtualHostName}-access.log;
            error_log   /var/log/nginx-${virtualHostName}-error.log;
          '';
  
          locations."/" = {
            extraConfig = ''
              index index.php;
            '';
          };
  
          locations."~ \.php$" = {
            extraConfig = ''
              fastcgi_split_path_info ^(.+\.php)(/.+)$;
              fastcgi_pass unix:${config.services.phpfpm.pools."${cfg.pool}".listen};
              fastcgi_index index.php;
              fastcgi_param SCRIPT_FILENAME ${root}/$fastcgi_script_name;
  
              include ${pkgs.nginx}/conf/fastcgi_params;
            '';
          };
        };
      } else {};
  
  
      systemd.services.tt-rss = let
  
negative.code:         '';
        };
  
        # TODO: Re-enable after https://github.com/NixOS/nixpkgs/pull/15862 is merged
  
        # virtualHost = mkOption {
        #   type = types.str;
        #   default = "${virtualHostName}";
        #   description = ''
        #     Name of existing nginx virtual host that is used to run web-application.
        #     If not specified a host will be created automatically with
        #     default values.
        #   '';
        # };
  
        database = {
          type = mkOption {
  