Fix eval

flake.nix

@@ -158,6 +158,7 @@
       url = "git+https://gitea.c3d2.de/astro/ticker.git";
       inputs = {
         fenix.follows = "fenix";
+        # causes build failure
         # naersk.follows = "naersk";
         nixpkgs.follows = "nixos";
         utils.follows = "flake-utils";

hosts/bind/default.nix

@@ -1,4 +1,4 @@
-{ zentralwerk, config, hostRegistry, pkgs, ... }:
+{ zentralwerk, config, hostRegistry, lib, pkgs, ... }:
 let
   systemctl = "${pkgs.systemd}/bin/systemctl";
   deployCommand = "${systemctl} start deploy-c3d2-dns";
@@ -95,7 +95,7 @@ in
     script = ''
       mkdir -p .ssh
       cp ${builtins.toFile "id_ed25519" sshPrivkey} .ssh/id_ed25519
-      echo "gitea.c3d2.de ${(import ../ssh-public-keys.nix).hosts.gitea}" > .ssh/known_hosts
+      echo "gitea.c3d2.de ${lib.head (import ../../ssh-public-keys.nix).hosts.gitea}" > .ssh/known_hosts
       chmod 0600 .ssh/id_ed25519
 
       # Build at least once