rocket.chat.mqtt/node_modules/npm/lib/utils/link.js

It's a MQTT Server, using redis to scale horizontally.

module.exports = link

var gentleFS = require('gentle-fs')
var gentleFSOpts = require('../config/gentle-fs.js')

function link (from, to, gently, abs, cb) {
  return gentleFS.link(from, to, gentleFSOpts(gently, undefined, abs), cb)
}