Function handlePrompt

src/node/runtime/sshAskpass.ts:93–119

(requestId: string)

  let closed = false;

  async function handlePrompt(requestId: string): Promise<void> {
    const promptFile = path.join(dir, `prompt.${requestId}.txt`);
    const responseFile = path.join(dir, `response.${requestId}.txt`);

    try {
      await fs.promises.access(promptFile);
    } catch {
      processed.delete(requestId);
      return;
    }

    if (closed) return;

    try {
      const promptText = await fs.promises.readFile(promptFile, "utf-8");
      const response = await onPrompt(promptText);
      await fs.promises.writeFile(responseFile, response + "\n");
    } catch (err) {
      log.debug("Askpass prompt handling failed:", err);
      // Write rejection to unblock askpass (best-effort)
      try {
        await fs.promises.writeFile(responseFile, "no\n");
      } catch {
        /* askpass may already be gone */
      }
    }
  }

  // Watch for askpass to write prompt files.
  // fs.watch is set up BEFORE SSH is spawned, so we cannot miss events.