anchor.diff:      prayer_group = "${prayerGroup}"
       sendmail_path = "/var/setuid-wrappers/sendmail"
   
  -    ${config.services.prayer.extraConfig}
  +    use_http_port ${cfg.port}
  +
  +    ${cfg.extraConfig}
     '';
   
     prayerCfg = pkgs.runCommand "prayer.cf" { } ''
  
positive.code: let
  
    inherit (pkgs) prayer;
  
    stateDir = "/var/lib/prayer";
  
  
negative.code:       enable = mkOption {
          default = false;
          description = ''
            Whether to run the prayer webmail http server.
          '';
        };
  
        port = mkOption {
          default = "2080";
          description = ''
            Port the prayer http server is listening to.
          '';
        };
  
  