From 6562fb28a1eb3af186a65ccd3f9e83a607fc51b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sat, 12 Dec 2020 07:45:02 +0100
Subject: [PATCH] tinc: reload instead of restart

---
 modules/retiolum/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/retiolum/default.nix b/modules/retiolum/default.nix
index 8da3242..1b934fb 100644
--- a/modules/retiolum/default.nix
+++ b/modules/retiolum/default.nix
@@ -65,8 +65,12 @@ in {
       };
     };
 
-    # Some hosts require VPN for nixos-rebuild, so we don't want to restart it on update
-    systemd.services."tinc.${netname}".restartIfChanged = false;
+    systemd.services."tinc.${netname}" = {
+      # Some hosts require VPN for nixos-rebuild, so we don't want to restart it on update
+      reloadIfChanged = true;
+      # also in https://github.com/NixOS/nixpkgs/pull/106715
+      serviceConfig.ExecReload = "${config.services.tinc.networks.${netname}.package}/bin/tinc -n ${netname} reload";
+    };
 
     networking.firewall.allowedTCPPorts = [ 655 ];
     networking.firewall.allowedUDPPorts = [ 655 ];