Function skipTimeoutFlags

src/tools/BashTool/pathValidation.ts:1183–1218

* Parse timeout's GNU flags (long + short, fused + space-separated) and * return the argv index of the DURATION token, or -1 if flags are unparseable.

(a: readonly string[])

 * return the argv index of the DURATION token, or -1 if flags are unparseable.
 */
function skipTimeoutFlags(a: readonly string[]): number {
  let i = 1
  while (i < a.length) {
    const arg = a[i]!
    const next = a[i + 1]
    if (
      arg === '--foreground' ||
      arg === '--preserve-status' ||
      arg === '--verbose'
    )
      i++
    else if (/^--(?:kill-after|signal)=[A-Za-z0-9_.+-]+$/.test(arg)) i++
    else if (
      (arg === '--kill-after' || arg === '--signal') &&
      next &&
      TIMEOUT_FLAG_VALUE_RE.test(next)
    )
      i += 2
    else if (arg === '--') {
      i++
      break
    } // end-of-options marker
    else if (arg.startsWith('--')) return -1
    else if (arg === '-v') i++
    else if (
      (arg === '-k' || arg === '-s') &&
      next &&
      TIMEOUT_FLAG_VALUE_RE.test(next)
    )
      i += 2
    else if (/^-[ks][A-Za-z0-9_.+-]+$/.test(arg)) i++
    else if (arg.startsWith('-')) return -1
    else break
  }
  return i
}

/**
 * Parse stdbuf's flags (-i/-o/-e in fused/space-separated/long-= forms).