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-rw-r--r--nixpkgs/nixos/tests/activation/etc-overlay-immutable.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/activation/etc-overlay-immutable.nix b/nixpkgs/nixos/tests/activation/etc-overlay-immutable.nix
index f347f9cf8efe..f0abf70d350f 100644
--- a/nixpkgs/nixos/tests/activation/etc-overlay-immutable.nix
+++ b/nixpkgs/nixos/tests/activation/etc-overlay-immutable.nix
@@ -13,6 +13,7 @@
     users.mutableUsers = false;
     boot.initrd.systemd.enable = true;
     boot.kernelPackages = pkgs.linuxPackages_latest;
+    time.timeZone = "Utc";
 
     specialisation.new-generation.configuration = {
       environment.etc."newgen".text = "newgen";
@@ -23,6 +24,9 @@
     with subtest("/etc is mounted as an overlay"):
       machine.succeed("findmnt --kernel --type overlay /etc")
 
+    with subtest("direct symlinks point to the target without indirection"):
+      assert machine.succeed("readlink -n /etc/localtime") == "/etc/zoneinfo/Utc"
+
     with subtest("switching to the same generation"):
       machine.succeed("/run/current-system/bin/switch-to-configuration test")