From 6c0ab2edd5b1dc43bb598bc6180eba79d9d5e5da Mon Sep 17 00:00:00 2001
From: Jacek Galowicz <jacek@galowicz.de>
Date: Thu, 23 Apr 2026 09:42:48 +0100
Subject: [PATCH 1/4] nixos-test-driver: only depend on vsock things on linux

---
 nixos/lib/test-driver/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nixos/lib/test-driver/default.nix b/nixos/lib/test-driver/default.nix
index 69ba17863012..32b2c1af2587 100644
--- a/nixos/lib/test-driver/default.nix
+++ b/nixos/lib/test-driver/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
 
   buildPythonApplication,
   colorama,
@@ -59,7 +60,6 @@ buildPythonApplication {
     socat
     util-linux
     vde2
-    vhost-device-vsock
   ]
   ++ lib.optionals enableNspawn [
     systemd
@@ -67,6 +67,9 @@ buildPythonApplication {
   ++ lib.optionals enableOCR [
     imagemagick_light
     tesseract4
+  ]
+  ++ lib.optionals stdenv.isLinux [
+    vhost-device-vsock
   ];
 
   # containers test requires extra nix features that are not available in ofborg.

From 6668b5b381513861cc2bdeb3f0318e94d484196f Mon Sep 17 00:00:00 2001
From: Jacek Galowicz <jacek@galowicz.de>
Date: Thu, 23 Apr 2026 09:43:05 +0100
Subject: [PATCH 2/4] nixos-test-driver: use hostPkgs to write config files to
 store

---
 nixos/lib/testing/driver-configuration.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nixos/lib/testing/driver-configuration.nix b/nixos/lib/testing/driver-configuration.nix
index 36e512f94f6b..222332d51fad 100644
--- a/nixos/lib/testing/driver-configuration.nix
+++ b/nixos/lib/testing/driver-configuration.nix
@@ -1,7 +1,7 @@
 {
   config,
   lib,
-  pkgs,
+  hostPkgs,
   ...
 }:
 let
@@ -75,9 +75,9 @@ in
         ) (lib.attrValues config.nodes ++ lib.attrValues config.containers)
       );
       global_timeout = config.globalTimeout;
-      test_script = pkgs.writeText "test-script" config.testScriptString;
+      test_script = hostPkgs.writeText "test-script" config.testScriptString;
       enable_ssh_backdoor = config.sshBackdoor.enable;
     };
-    driverConfigurationFile = pkgs.writers.writeJSON "driverConfiguration.json" config.driverConfiguration;
+    driverConfigurationFile = hostPkgs.writers.writeJSON "driverConfiguration.json" config.driverConfiguration;
   };
 }

From 133e3555ff1fda82966707d9502e0af3c81f2f8b Mon Sep 17 00:00:00 2001
From: Jacek Galowicz <jacek@galowicz.de>
Date: Thu, 23 Apr 2026 10:55:49 +0100
Subject: [PATCH 3/4] nixos-test-driver: only use sharedMemory qemu config
 setting on linux

---
 nixos/lib/testing/driver.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nixos/lib/testing/driver.nix b/nixos/lib/testing/driver.nix
index c6802d61dd43..40584b10e00d 100644
--- a/nixos/lib/testing/driver.nix
+++ b/nixos/lib/testing/driver.nix
@@ -9,6 +9,8 @@ let
 
   inherit (config) sshBackdoor;
 
+  inherit (hostPkgs.stdenv.hostPlatform) isLinux;
+
   # Reifies and correctly wraps the python test driver for
   # the respective qemu version and with or without ocr support
   testDriver = config.pythonTestDriverPackage.override {
@@ -251,7 +253,7 @@ in
         # depending on whether debugging is enabled.
         #
         # If needed, this can still be turned off.
-        virtualisation.qemu.enableSharedMemory = lib.mkDefault true;
+        virtualisation.qemu.enableSharedMemory = lib.mkDefault isLinux;
 
         assertions = [
           {

From ea9c3ae589bdb113a62367ff84c244fe30bc0b57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Thu, 23 Apr 2026 14:43:46 +0200
Subject: [PATCH 4/4] nixos-test-driver: reduce unnecessary rebuilds for now

---
 nixos/lib/test-driver/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nixos/lib/test-driver/default.nix b/nixos/lib/test-driver/default.nix
index 32b2c1af2587..77638397d11c 100644
--- a/nixos/lib/test-driver/default.nix
+++ b/nixos/lib/test-driver/default.nix
@@ -61,15 +61,15 @@ buildPythonApplication {
     util-linux
     vde2
   ]
+  ++ lib.optionals stdenv.isLinux [
+    vhost-device-vsock
+  ]
   ++ lib.optionals enableNspawn [
     systemd
   ]
   ++ lib.optionals enableOCR [
     imagemagick_light
     tesseract4
-  ]
-  ++ lib.optionals stdenv.isLinux [
-    vhost-device-vsock
   ];
 
   # containers test requires extra nix features that are not available in ofborg.