From 482beabbbde032c18daf5039bd9739db25a7ea93 Mon Sep 17 00:00:00 2001
From: Jacek Galowicz <jacek@galowicz.de>
Date: Thu, 20 Mar 2025 15:36:33 +0000
Subject: [PATCH] NixOS Test driver: Display Qemu windows on macOS in
 interactive mode

---
 nixos/lib/test-driver/src/test_driver/machine.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nixos/lib/test-driver/src/test_driver/machine.py b/nixos/lib/test-driver/src/test_driver/machine.py
index 4faa37726508..cba386ae86b4 100644
--- a/nixos/lib/test-driver/src/test_driver/machine.py
+++ b/nixos/lib/test-driver/src/test_driver/machine.py
@@ -1,6 +1,7 @@
 import base64
 import io
 import os
+import platform
 import queue
 import re
 import select
@@ -199,7 +200,13 @@ class StartCommand:
         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"