hydrogen: some minor tweaks for the build to work

nix/configurations/hydrogen.nix

@@ -43,7 +43,9 @@ in
             ]
             # use lix everywhere and wrap it with nom
             ++ [
-              (import (sources.lix-module + "/overlay.nix") {inherit (sources) lix;})
+              # TODO
+              # Can't get it build for now
+              # (import (sources.lix-module + "/overlay.nix") {inherit (sources) lix;})
               (import ../overlays/nix-monitored.nix)
             ];
 

nix/configurations/hydrogen/nixos/connectivity.nix

@@ -62,8 +62,15 @@
           };
         in
           lib.mkMerge (map go ns);
+
+        allowList = builtins.filter (x: x.ssid == "~");
       in
-        fromList (import ../../../connectivity/networks.nix);
+        fromList (
+          # We only want to use my own network
+          allowList (
+            import ../../../connectivity/networks.nix
+          )
+        );
     };
   };