anchor.diff:        # even shortly after the previous lookup. This *also* applies to the daemon.
         narinfo-cache-negative-ttl = 0
       '';
  -    nix.package = mkIf cfg.patchNix patchedNix;
       services.hercules-ci-agent.tomlFile =
         format.generate "hercules-ci-agent.toml" cfg.settings;
     };
  
positive.code:     };
    };
  
    checkNix =
      if !cfg.checkNix
      then ""
      else if lib.versionAtLeast config.nix.package.version "2.4.0"
      then ""
      else pkgs.stdenv.mkDerivation {
        name = "hercules-ci-check-system-nix-src";
  
negative.code:         continuous integation service that is centered around Nix.
  
          Support is available at <link xlink:href="mailto:help@hercules-ci.com">help@hercules-ci.com</link>.
        '';
      };
      checkNix = mkOption {
  