Function _copyFile

lib/internal/fs/cp/cp.js:260–266

(srcStat, src, dest, opts)

}

async function _copyFile(srcStat, src, dest, opts) {
  await copyFile(src, dest, opts.mode);
  if (opts.preserveTimestamps) {
    return handleTimestampsAndMode(srcStat.mode, src, dest);
  }
  return setDestMode(dest, srcStat.mode);
}

async function handleTimestampsAndMode(srcMode, src, dest) {
  // Make sure the file is writable before setting the timestamp