Function runStreaming

packages/bumpy/src/utils/shell.ts:79–115

(cmd: string, opts?: { cwd?: string; input?: string })

 * to stdout; this surfaces both streams instead of swallowing them.
 */
export function runStreaming(cmd: string, opts?: { cwd?: string; input?: string }): Promise<void> {
  const result = checkIntercept(cmd.split(/\s+/), opts);
  if (result?.intercepted) {
    if ('error' in result) return Promise.reject(new Error(result.error));
    return Promise.resolve();
  }
  return new Promise((resolve, reject) => {
    const child = spawn(cmd, {
      cwd: opts?.cwd,
      shell: true,
      stdio: [opts?.input ? 'pipe' : 'inherit', 'pipe', 'pipe'],
    });
    let stdout = '';
    let stderr = '';
    child.stdout?.on('data', (chunk) => {
      stdout += chunk;
      process.stdout.write(chunk);
    });
    child.stderr?.on('data', (chunk) => {
      stderr += chunk;
      process.stderr.write(chunk);
    });
    if (opts?.input) {
      child.stdin?.write(opts.input);
      child.stdin?.end();
    }
    child.on('error', (err) => reject(err));
    child.on('close', (code) => {
      if (code === 0) {
        resolve();
      } else {
        const detail = `${stdout}\n${stderr}`.trim();
        reject(new Error(`Command failed (exit code ${code}): ${cmd}${detail ? `\n${detail}` : ''}`));
      }
    });
  });
}

export function tryRun(cmd: string, opts?: { cwd?: string }): string | null {
  try {