NixOS Test driver: Display Qemu windows on macOS in interactive mode

import base64

import io

import os

import platform

import queue

import re

import select

        allow_reboot: bool = False,

    ) -> str:

        display_opts = ""

        display_available = any(x in os.environ for x in ["DISPLAY", "WAYLAND_DISPLAY"])

        if platform.system() == "Darwin":

            # We have no DISPLAY variables on macOS and seemingly no better way

            # to find out

            display_available = "TERM_PROGRAM" in os.environ

        if not display_available:

            display_opts += " -nographic"