From e24daea3d3d46bd0ae87b29b9315bd2d0df9c389 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sat, 15 Oct 2022 16:50:22 +0200
Subject: [PATCH] tailscale: improve formatting on warning message

---
 nixos/modules/services/networking/tailscale.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/networking/tailscale.nix b/nixos/modules/services/networking/tailscale.nix
index eb3afe118c64..26997dd96013 100644
--- a/nixos/modules/services/networking/tailscale.nix
+++ b/nixos/modules/services/networking/tailscale.nix
@@ -41,7 +41,11 @@ in {
   };
 
   config = mkIf cfg.enable {
-    warnings = optional (firewallOn && rpfIsStrict) "Strict reverse path filtering breaks Tailscale exit node use and some subnet routing setups. Consider setting `networking.firewall.checkReversePath` = 'loose'";
+    warnings = optional (firewallOn && rpfIsStrict) ''
+      Strict reverse path filtering breaks Tailscale exit node use and some subnet routing setups. Consider setting:
+
+        networking.firewall.checkReversePath = "loose";
+    '';
     environment.systemPackages = [ cfg.package ]; # for the CLI
     systemd.packages = [ cfg.package ];
     systemd.services.tailscaled = {