baseDir = "/var/lib/hydra";

      HYDRA_CONFIG = "${cfg.baseDir}/data/hydra.conf";
      HYDRA_DATA = "${cfg.baseDir}/data";

      HYDRA_CONFIG = "${baseDir}/data/hydra.conf";
      HYDRA_DATA = "${baseDir}/data";

        '';
      };
      baseDir = mkOption {
        default = "/home/${user.default}";
        description = ''
          The directory holding configuration, logs and temporary files.
        '';
      };
      user = mkOption {
        default = "hydra";
        description = ''
          The user the Hydra services should run as.

        default = "dbi:Pg:dbname=hydra;host=localhost;user=root;";

        default = "dbi:Pg:dbname=hydra;host=localhost;user=hydra;";

        default = "http://hydra.nixos.org";

        default = "e.dolstra@tudelft.nl";

      autoStart = mkOption {
        default = true;
        description = ''
          If hydra upstart jobs should start automatically.
        '';
      };
      

    users.extraUsers = [
      { name = cfg.user;
        description = "Hydra";

    users.extraUsers.hydra =
      { description = "Hydra";

    # We have our own crontab entries for GC, see below.
    nix.gc.automatic = false;

          mkdir -p ${cfg.baseDir}/data
          chown ${cfg.user} ${cfg.baseDir}/data

          mkdir -p ${baseDir}/data
          chown hydra ${cfg.baseDir}/data

            User = cfg.user;

            User = "hydra";

            User = cfg.user;

            User = "hydra";

            User = cfg.user;

            User = "hydra";

            User = cfg.user;

            User = "hydra";

            #! /bin/sh

            #! ${pkgs.stdenv.shell}

            #! /bin/sh -e

            #! ${pkgs.stdenv.shell} -e