Function spawn

scripts/util.js:58–114

(cmd, ...allArgs)

}

const spawn = async (cmd, ...allArgs) => {
  const {
    args,
    opts: { ok, input, out, lines, quiet, env, ...opts },
  } = getArgs(allArgs)

  log.info('spawn', `${cmd} ${args.join(' ')}`)

  let res = null
  try {
    const spawnOpts = {
      stdio: quiet || out || lines ? 'pipe' : 'inherit',
      cwd: CWD,
      env: { ...process.env, ...env },
      ...opts,
    }
    const proc = cmd === 'git' ? npmGit.spawn(args, spawnOpts) : promiseSpawn(cmd, args, spawnOpts)
    if (input && proc.stdin) {
      log.silly('input', input)
      proc.stdin.write(input)
      proc.stdin.end()
    }
    res = await proc
  } catch (err) {
    if (!ok) {
      throw err
    }
    log.silly('suppressed error', err)
  }

  if (res?.stdout) {
    res.stdout = res.stdout.toString().trim()
    if (res.stdout && !quiet) {
      log.silly('stdout', res.stdout)
    }
  }

  if (res?.stderr) {
    res.stderr = res.stderr.toString().trim()
    if (res.stderr) {
      log.silly('stderr', res.stderr)
    }
  }

  if (lines) {
    return (res?.stdout || '')
      .split('\n')
      .map(l => l.trim())
      .filter(Boolean)
  }

  if (out) {
    return res?.stdout || ''
  }

  return res
}