nixos/networkd: only set gateway if it's explicitly specified in the module system

5 years ago · ff65638bfc
parent 5368791937
commit ff65638bfc
1 changed files with 2 additions and 2 deletions
--- a/nixos/modules/tasks/network-interfaces-systemd.nix
+++ b/nixos/modules/tasks/network-interfaces-systemd.nix
@ -60,8 +60,8 @@ in
      let
        domains = cfg.search ++ (optional (cfg.domain != null) cfg.domain);
        genericNetwork = override:
-          let gateway = optional (cfg.defaultGateway != null) cfg.defaultGateway.address
-            ++ optional (cfg.defaultGateway6 != null) cfg.defaultGateway6.address;
+          let gateway = optional (cfg.defaultGateway != null && (cfg.defaultGateway.address or "") != "") cfg.defaultGateway.address
+            ++ optional (cfg.defaultGateway6 != null && (cfg.defaultGateway6.address or "") != "") cfg.defaultGateway6.address;
          in optionalAttrs (gateway != [ ]) {
            routes = override [
              {