{ config, lib, ... }:
let
  cfg = config.lxcGuest;
in
{
  options.lxcGuest = {
    enable = lib.mkEnableOption "NixOs inside LXC container";
  };

  config = lib.mkIf cfg.enable {
    # start tty0 on serial console
    systemd.services."getty@tty1" = {
      enable = lib.mkForce true;
      wantedBy = [ "getty.target" ]; # to start at boot
      serviceConfig.Restart = "always"; # restart when session is closed
    };

    # Supress systemd units that don't work because of LXC.
    # https://blog.xirion.net/posts/nixos-proxmox-lxc/#configurationnix-tweak
    systemd.suppressedSystemUnits = [
      "dev-mqueue.mount"
      "sys-kernel-debug.mount"
      "sys-fs-fuse-connections.mount"
    ];
  };

}