manual_inherit

modules/nixos/services/calibre/default.nix

@@ -17,9 +17,9 @@ let
     options = { };
     moduleConfig = {
       services.calibre-server = {
+        inherit (cfg) port;
         enable = false;
         openFirewall = true;
-        port = cfg.port;
         libraries = [ "${cfg.dataDir}/books" ];
       };
     };
@@ -37,8 +37,8 @@ let
         package = pkgs.stable.calibre-web;
         dataDir = "${cfgWeb.configDir}/calibre-web";
         listen = {
+          inherit (cfgWeb) port;
           ip = "0.0.0.0";
-          port = cfgWeb.port;
         };
         options = {
           enableBookUploading = true;