update-livereload 462 字节
#!/usr/bin/env node

var fs      = require('fs');
var path    = require('path');
var request = require('request');

var file = path.join(__dirname, '..', 'lib/public/livereload.js');
var url = process.argv.slice(2)[0] || 'https://raw.github.com/livereload/livereload-js/master/dist/livereload.js';

console.error('Updating livereload.js %s from %s', file, url);
request(url)
  .pipe(fs.createWriteStream(file))
  .on('close', console.log.bind(console, 'Done'));