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path: root/nixos/modules/services/x11/display-managers/auto.nix
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{ config, lib, pkgs, ... }:

with lib;

let

  dmcfg = config.services.xserver.displayManager;
  cfg = dmcfg.auto;

in

{

  ###### interface

  options = {

    services.xserver.displayManager.auto = {

      enable = mkOption {
        default = false;
        description = ''
          Whether to enable the fake "auto" display manager, which
          automatically logs in the user specified in the
          <option>user</option> option.  This is mostly useful for
          automated tests.
        '';
      };

      user = mkOption {
        default = "root";
        description = "The user account to login automatically.";
      };

    };

  };


  ###### implementation

  config = mkIf cfg.enable {

    services.xserver.displayManager.slim = {
      enable = true;
      autoLogin = true;
      defaultUser = cfg.user;
    };

  };

}