nixos/polkit/network: create and allow to manage wireguard client services

nix-os/polkit/network.nix

@@ -0,0 +1,16 @@
+{
+  config = {
+    security.polkit.extraConfig = ''
+      polkit.addRule(function(action, subject) {
+        // Allow to start and stop wireguard client services
+        if (
+          action.id == "org.freedesktop.systemd1.manage-units" &&
+          action.lookup("unit") &&
+          action.lookup("unit").match(/^wg-quick-.*\.service$/)
+        ) {
+          return polkit.Result.YES;
+        };
+      });
+    '';
+  };
+}