From 5c00fe6b1bfba588f4e9c7fdcc9de8c3b7b191f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Janne=20He=C3=9F?= <janne@hess.ooo>
Date: Sun, 13 Mar 2022 19:09:06 +0100
Subject: [PATCH] nixos/switchTest: Also test the os-release parser

---
 nixos/tests/switch-test.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos/tests/switch-test.nix b/nixos/tests/switch-test.nix
index 93eee4babc2d..4136aa336acb 100644
--- a/nixos/tests/switch-test.nix
+++ b/nixos/tests/switch-test.nix
@@ -502,6 +502,10 @@ in {
     machine.succeed(
         "${stderrRunner} ${originalSystem}/bin/switch-to-configuration test"
     )
+    # This tests whether the /etc/os-release parser works which is a fallback
+    # when /etc/NIXOS is missing. If the parser does not work, switch-to-configuration
+    # would fail.
+    machine.succeed("rm /etc/NIXOS")
     machine.succeed(
         "${stderrRunner} ${otherSystem}/bin/switch-to-configuration test"
     )