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

with lib;

let

  cfg = config.services.xserver.displayManager.startx;

in

{

  ###### interface

  options = {
    services.xserver.displayManager.startx = {
      enable = mkOption {
        type = types.bool;
        default = false;
        description = ''
          Whether to enable the dummy "startx" pseudo-display manager,
          which allows users to start X manually via the "startx" command
          from a vt shell. The X server runs under the user's id, not as root.
          The user must provide a ~/.xinitrc file containing session startup
          commands, see startx(1). This is not automatically generated
          from the desktopManager and windowManager settings.
        '';
      };
    };
  };


  ###### implementation

  config = mkIf cfg.enable {
    services.xserver = {
      exportConfiguration = true;
    };

    # Other displayManagers log to /dev/null because they're services and put
    # Xorg's stdout in the journal
    #
    # To send log to Xorg's default log location ($XDG_DATA_HOME/xorg/), we do
    # not specify a log file when running X
    services.xserver.logFile = mkDefault null;

    # Implement xserverArgs via xinit's system-wide xserverrc
    environment.etc."X11/xinit/xserverrc".source = pkgs.writeShellScript "xserverrc" ''
      exec ${pkgs.xorg.xorgserver}/bin/X ${toString config.services.xserver.displayManager.xserverArgs} "$@"
    '';
    environment.systemPackages =  with pkgs; [ xorg.xinit ];
  };

}