The create command tests out if you can do options and seems to work just fine.

commands/create.js

@@ -0,0 +1,20 @@
+import fs from "fs/promises";
+import { mkdir_to, exec_i } from "../lib/builderator.js";
+import { log } from "../lib/logging.js";
+
+export const description = "Test command.";
+
+export const options = [
+  ["--fail", "cause it to fail", false]
+];
+
+
+export const main = async (opts) => {
+  if(opts.fail) {
+    log.error("Producing failure.");
+    process.exit(1);
+  } else {
+    log.info("Exiting normally.");
+    process.exit(0);
+  }
+}