c7cb07f092
GitOrigin-RevId: 1536926ef5621b09bba54035ae2bb6d806d72ac8
36 lines
1 KiB
Nix
36 lines
1 KiB
Nix
{ lib, ... }: {
|
|
|
|
name = "activation-etc-overlay-immutable";
|
|
|
|
meta.maintainers = with lib.maintainers; [ nikstur ];
|
|
|
|
nodes.machine = { pkgs, ... }: {
|
|
system.etc.overlay.enable = true;
|
|
system.etc.overlay.mutable = false;
|
|
|
|
# Prerequisites
|
|
systemd.sysusers.enable = true;
|
|
users.mutableUsers = false;
|
|
boot.initrd.systemd.enable = true;
|
|
boot.kernelPackages = pkgs.linuxPackages_latest;
|
|
|
|
specialisation.new-generation.configuration = {
|
|
environment.etc."newgen".text = "newgen";
|
|
};
|
|
};
|
|
|
|
testScript = ''
|
|
with subtest("/etc is mounted as an overlay"):
|
|
machine.succeed("findmnt --kernel --type overlay /etc")
|
|
|
|
with subtest("switching to the same generation"):
|
|
machine.succeed("/run/current-system/bin/switch-to-configuration test")
|
|
|
|
with subtest("switching to a new generation"):
|
|
machine.fail("stat /etc/newgen")
|
|
|
|
machine.succeed("/run/current-system/specialisation/new-generation/bin/switch-to-configuration switch")
|
|
|
|
assert machine.succeed("cat /etc/newgen") == "newgen"
|
|
'';
|
|
}
|