push sheeet

nixos/tests/systemd-user-linger.nix

@@ -0,0 +1,37 @@
+{ lib, ... }:
+{
+  name = "systemd-user-linger";
+
+  nodes.machine =
+    { ... }:
+    {
+      users.users = {
+        alice = {
+          isNormalUser = true;
+          linger = true;
+          uid = 1000;
+        };
+
+        bob = {
+          isNormalUser = true;
+          linger = false;
+          uid = 10001;
+        };
+      };
+    };
+
+  testScript =
+    { ... }:
+    ''
+      machine.wait_for_file("/var/lib/systemd/linger/alice")
+      machine.succeed("systemctl status user-1000.slice")
+
+      machine.fail("test -e /var/lib/systemd/linger/bob")
+      machine.fail("systemctl status user-1001.slice")
+
+      with subtest("missing users have linger purged"):
+          machine.succeed("touch /var/lib/systemd/linger/missing")
+          machine.systemctl("restart linger-users")
+          machine.succeed("test ! -e /var/lib/systemd/linger/missing")
+    '';
+}