fix(headscale): override db_type option to use latest headscale

devices/cluster/modules/headscale/default.nix

@@ -6,16 +6,24 @@
   ...
 }: let
   inherit (builtins) readFile;
+  inherit (lib) mkAfter mkOption;
+
   inherit (config.vars) mainUser hostName;
   headscale-flake = headscale.packages.${pkgs.system}.headscale;
 
   clusterIP = config.services.pcsd.virtualIps.caddy-vip.ip;
 in {
+  # FIXME: wait for nixpkgs to reach this : https://github.com/juanfont/headscale/commit/94b30abf56ae09d82a1541bbc3d19557914f9b27
+  options.services.headscale.settings.db_type = mkOption {
+    type = lib.types.enum ["sqlite" "postgres"];
+  };
+
+  config = {
     environment.systemPackages = [headscale-flake];
     users.users.${mainUser}.extraGroups = ["headscale"];
 
     home-manager.users.${mainUser}
-    .programs.bash.bashrcExtra = lib.mkAfter (readFile ./completion.bash);
+    .programs.bash.bashrcExtra = mkAfter (readFile ./completion.bash);
 
     services.headscale = {
       enable = true;
@@ -33,7 +41,7 @@ in {
         disable_check_updates = true;
         unix_socket_permission = "0770";
 
-      db_type = "sqlite3";
+        db_type = "sqlite";
         db_path = "/var/lib/headscale/db.sqlite";
         private_key_path = "/var/lib/headscale/private.key";
         noise.private_key_path = "/var/lib/headscale/noise_private.key";
@@ -64,4 +72,5 @@ in {
         };
       };
     };
+  };
 }