/**
 * Enables an optional pre-kernel prefetch of `/boot/init.js`.
 * Accepts common boolean-ish env values.
 *
 * @param {Record<string, string | undefined> | null | undefined} env
 * @returns {boolean}
 */
export function bareOsBootInitPrefetchEnabled(env) {
  const raw = String(env?.BARE_OS_BOOT_PREFETCH_INIT_JS ?? '')
    .trim()
    .toLowerCase()
  return raw === '1' || raw === 'true' || raw === 'yes' || raw === 'on'
}

/**
 * Enables optional post-boot warm replication for `/bin` via `downloadDiff()`.
 *
 * @param {Record<string, string | undefined> | null | undefined} env
 * @returns {boolean}
 */
export function bareOsBootWarmBinDownloadDiffEnabled(env) {
  const raw = String(env?.BARE_OS_BOOT_WARM_BIN_DOWNLOAD_DIFF ?? '')
    .trim()
    .toLowerCase()
  return raw === '1' || raw === 'true' || raw === 'yes' || raw === 'on'
}