From 9937f13308097210db9c9eaa61fadb73698fd475 Mon Sep 17 00:00:00 2001
From: florianjacob <accounts+github@florianjacob.de>
Date: Thu, 13 Jul 2017 15:40:31 +0200
Subject: [PATCH] resolved: use resolved's static resolv.conf (#27144)

because it is upstream's recommended mode of operation:
https://www.freedesktop.org/software/systemd/man/systemd-resolved.html#/etc/resolv.conf
---
 nixos/modules/config/networking.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/config/networking.nix b/nixos/modules/config/networking.nix
index d503f5a8b20e..cc967947dffb 100644
--- a/nixos/modules/config/networking.nix
+++ b/nixos/modules/config/networking.nix
@@ -223,7 +223,9 @@ in
             '';
 
       } // optionalAttrs config.services.resolved.enable {
-        "resolv.conf".source = "/run/systemd/resolve/resolv.conf";
+        # symlink the static version of resolv.conf as recommended by upstream:
+        # https://www.freedesktop.org/software/systemd/man/systemd-resolved.html#/etc/resolv.conf
+        "resolv.conf".source = "${pkgs.systemd}/lib/systemd/resolv.conf";
       } // optionalAttrs (config.services.resolved.enable && dnsmasqResolve) {
         "dnsmasq-resolv.conf".source = "/run/systemd/resolve/resolv.conf";
       };