import ./make-test-python.nix ({ pkgs, ...} : { name = "restart-by-activation-script"; meta = with pkgs.lib.maintainers; { maintainers = [ das_j ]; }; machine = { pkgs, ... }: { imports = [ ../modules/profiles/minimal.nix ]; systemd.services.restart-me = { wantedBy = [ "multi-user.target" ]; serviceConfig = { Type = "oneshot"; RemainAfterExit = true; ExecStart = "${pkgs.coreutils}/bin/true"; }; }; systemd.services.reload-me = { wantedBy = [ "multi-user.target" ]; serviceConfig = rec { Type = "oneshot"; RemainAfterExit = true; ExecStart = "${pkgs.coreutils}/bin/true"; ExecReload = ExecStart; }; }; system.activationScripts.test = { supportsDryActivation = true; text = '' if [ -e /test-the-activation-script ]; then if [ "$NIXOS_ACTION" != dry-activate ]; then touch /activation-was-run echo restart-me.service > /run/nixos/activation-restart-list echo reload-me.service > /run/nixos/activation-reload-list else echo restart-me.service > /run/nixos/dry-activation-restart-list echo reload-me.service > /run/nixos/dry-activation-reload-list fi fi ''; }; }; testScript = /* python */ '' machine.wait_for_unit("multi-user.target") with subtest("nothing happens when the activation script does nothing"): out = machine.succeed("/run/current-system/bin/switch-to-configuration dry-activate 2>&1") assert 'restart' not in out assert 'reload' not in out out = machine.succeed("/run/current-system/bin/switch-to-configuration test") assert 'restart' not in out assert 'reload' not in out machine.succeed("touch /test-the-activation-script") with subtest("dry activation"): out = machine.succeed("/run/current-system/bin/switch-to-configuration dry-activate 2>&1") assert 'would restart the following units: restart-me.service' in out assert 'would reload the following units: reload-me.service' in out machine.fail("test -f /run/nixos/dry-activation-restart-list") machine.fail("test -f /run/nixos/dry-activation-reload-list") with subtest("real activation"): out = machine.succeed("/run/current-system/bin/switch-to-configuration test 2>&1") assert 'restarting the following units: restart-me.service' in out assert 'reloading the following units: reload-me.service' in out machine.fail("test -f /run/nixos/activation-restart-list") machine.fail("test -f /run/nixos/activation-reload-list") ''; })