make disko-install work

Tested with `disko-install -f .#kobudai --disk main /dev/sda`.

Author: dotlambda

modules/managed-deployment.nix

@@ -2,6 +2,7 @@
   pkgs,
   lib,
   config,
+  options,
   ...
 }:
 
@@ -49,9 +50,10 @@ in
 
   config = lib.mkIf cfg.enable (
     lib.mkMerge [
-      {
+      (lib.optionalAttrs (options ? "deployment") {
         deployment.allowLocalDeployment = true; # for debugging and deploying when github actions deployment breaks
-
+      })
+      {
         nix.settings.trusted-users = [ deploy-user ];
 
         users.groups.${deploy-user} = { };

modules/motd.nix

@@ -27,7 +27,7 @@ in
   # TODO: make this read from LDAP
   config = lib.mkIf cfg.enable {
     users.motd = ''
-      ${ansi-bold}Hi, I am ${ansi-red}${config.networking.hostName}${ansi-resetfg}, a ${ansi-red}${builtins.concatStringsSep ", " config.deployment.tags}${ansi-resetfg} at ${ansi-red}169.229.226.${builtins.toString config.ocf.network.lastOctet}${ansi-reset}.
+      ${ansi-bold}Hi, I am ${ansi-red}${config.networking.hostName}${ansi-resetfg}, a ${ansi-red}${builtins.concatStringsSep ", " config.deployment.tags or [ ]}${ansi-resetfg} at ${ansi-red}169.229.226.${builtins.toString config.ocf.network.lastOctet}${ansi-reset}.
 
       ${cfg.description}
     '';

profiles/desktop.nix

@@ -8,10 +8,11 @@
   ...
 }:
 
-{
-
+lib.optionalAttrs (options ? "deployment") {
   # Colmena tagging
   deployment.tags = [ "desktop" ];
+}
+// {
   system.nixos.variant_id = "ocf-desktop";
 
   ocf = {