gorillajs/app/plugins/ssl/node_modules/fs-extra/lib/util/utimes.js

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var fs = require('graceful-fs')
var path = require('path')
var os = require('os')

// HFS, ext{2,3}, FAT do not, Node.js v0.10 does not
function hasMillisResSync () {
  var tmpfile = path.join('millis-test-sync' + Date.now().toString() + Math.random().toString().slice(2))
  tmpfile = path.join(os.tmpdir(), tmpfile)

  // 550 millis past UNIX epoch
  var d = new Date(1435410243862)
  fs.writeFileSync(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141')
  var fd = fs.openSync(tmpfile, 'r+')
  fs.futimesSync(fd, d, d)
  fs.closeSync(fd)
  return fs.statSync(tmpfile).mtime > 1435410243000
}

function hasMillisRes (callback) {
  var tmpfile = path.join('millis-test' + Date.now().toString() + Math.random().toString().slice(2))
  tmpfile = path.join(os.tmpdir(), tmpfile)

  // 550 millis past UNIX epoch
  var d = new Date(1435410243862)
  fs.writeFile(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141', function (err) {
    if (err) return callback(err)
    fs.open(tmpfile, 'r+', function (err, fd) {
      if (err) return callback(err)
      fs.futimes(fd, d, d, function (err) {
        if (err) return callback(err)
        fs.close(fd, function (err) {
          if (err) return callback(err)
          fs.stat(tmpfile, function (err, stats) {
            if (err) return callback(err)
            callback(null, stats.mtime > 1435410243000)
          })
        })
      })
    })
  })
}

function timeRemoveMillis (timestamp) {
  if (typeof timestamp === 'number') {
    return Math.floor(timestamp / 1000) * 1000
  } else if (timestamp instanceof Date) {
    return new Date(Math.floor(timestamp.getTime() / 1000) * 1000)
  } else {
    throw new Error('fs-extra: timeRemoveMillis() unknown parameter type')
  }
}

function utimesMillis (path, atime, mtime, callback) {
  // if (!HAS_MILLIS_RES) return fs.utimes(path, atime, mtime, callback)
  fs.open(path, 'r+', function (err, fd) {
    if (err) return callback(err)
    fs.futimes(fd, atime, mtime, function (err) {
      if (err) return callback(err)
      fs.close(fd, callback)
    })
  })
}

module.exports = {
  hasMillisRes: hasMillisRes,
  hasMillisResSync: hasMillisResSync,
  timeRemoveMillis: timeRemoveMillis,
  utimesMillis: utimesMillis
}