wireguard: sometimes module tries to re-add the default route, which fails - use replace to make it succeed

aristidb · aristidb · commit 63190540a894 · 2017-07-23T23:08:39.000+02:00
diff --git a/nixos/modules/services/networking/wireguard.nix b/nixos/modules/services/networking/wireguard.nix
@@ -208,7 +208,7 @@ let
             "${ipCommand} link set up dev ${name}"
 
             (map (peer: (map (ip:
-            "${ipCommand} route add ${ip} dev ${name}"
+            "${ipCommand} route replace ${ip} dev ${name}"
             ) peer.allowedIPs)) values.peers)
 
             values.postSetup
