Function expandShortBoolCluster

packages/computer/src/git/cli.ts:701–711

* Expand a cluster of single-char boolean short flags (`-fd` -> * `-f -d`) when every character is in `chars`. Clusters with a * character outside the set are left untouched for the generic * parser to handle or reject. Only safe for flags that take no * value.

(args: string[], chars: Set<string>)

 * value.
 */
function expandShortBoolCluster(args: string[], chars: Set<string>): string[] {
  const out: string[] = [];
  for (const arg of args) {
    if (/^-[a-z]{2,}$/i.test(arg) && [...arg.slice(1)].every((c) => chars.has(c))) {
      for (const ch of arg.slice(1)) out.push(`-${ch}`);
      continue;
    }
    out.push(arg);
  }
  return out;
}

function expandCommitShortCluster(args: string[]): string[] {
  const out: string[] = [];