message: cli: allow empty create option values
diff: @@ -29,7 +29,7 @@ function parseOptions(optionStrings: string[]): Record<string, string> {
  for (const str of optionStrings) {
  const [key] = str.split('=', 1);
  const value = str.slice(key.length + 1);
  - if (!key || !value) {
  + if (!key || str[key.length] !== '=') {
  throw new Error(
  `Invalid option '${str}', must be of the format <key>=<value>`,
  );
  