old_contents: // update.js
  //
  
  'use strict';
  
  var matter = require('../matter');
  var pkg    = require('../../package.json');
  var utils  = require('../utils');
  
  var os   = require('os');
  var path = require('path');
  
  var jsonfile = require('jsonfile');
  var Queue    = require('queue');
  var rimraf   = require('rimraf');
  
  module.exports = function (user) {
  
    if (!user.update) {
      console.log();
      console.log('Update cancelled. No changes have been made.');
      console.log();
      return;
    }
  
    var project    = {};
    var tmpArchive = path.join(os.tmpdir(), 'latest.tar.gz');
  
    var cleanGlobs = [
      'collider/',
      'distribute/',
      'node_modules/',
      'gulpfile.js',
      'package.json',
      '.editorconfig',
    ];
  
    var ignoreGlobs = [
      'project/',
    ];
  
    var q = new Queue({ concurrency: 1 });
  
    // 1. Ensure this is a Collider by populating 'project'.
    q.push(function (cb) {
      jsonfile.readFile('./collider.json', function (err, _project) {
        if (err) cb(err);
        project = _project;
        cb(null);
      });
    });
  
    // 2. Clean current Collider install.
    q.push(function (cb) {
      var numJobs = cleanGlobs.length;
      var numJobsCompleted = 0;
  
      cleanGlobs.forEach(function (pattern) {
        rimraf(pattern, {}, function (err) {
          if (err) cb(err);
  
          numJobsCompleted++;
          if (numJobsCompleted === numJobs) {
            cb(null);
          }
        });
      });
    });
  
    // 3. Download latest Collider.
    q.push(function (cb) {
      utils.download('http://getcollider.com/latest.tar.gz', tmpArchive, {
        headers: { 'User-Agent': `collider-cli/${pkg.version}`, },
        timeout: 10000,
      }, cb);
    });
  
    // 4. Expand latest Collider into project.
    q.push(function (cb) {
      utils.extractTarGz(tmpArchive, '.', ignoreGlobs, cb);
    });
  
    // 5. Rebuild '_matter.scss'.
    q.push(function (cb) {
      matter.updateImports(project, cb);
    });
  
    q.start(function (err) {
      if (err) throw err;
      console.log();
      console.log('All dependencies have been updated successfully.');
      console.log();
      console.log(project);
    });
  
  };
  
new_contents: // update.js
  //
  
  'use strict';
  
  var matter = require('../matter');
  var pkg    = require('../../package.json');
  var utils  = require('../utils');
  
  var os   = require('os');
  var path = require('path');
  
  var jsonfile = require('jsonfile');
  var Queue    = require('queue');
  var rimraf   = require('rimraf');
  
  module.exports = function (user) {
  
    if (!user.update) {
      console.log();
      console.log('Update cancelled. No changes have been made.');
      console.log();
      return;
    }
  
    var project    = {};
    var tmpArchive = path.join(os.tmpdir(), 'latest.tar.gz');
  
    var cleanGlobs = [
      'collider/',
      'distribute/',
      'node_modules/',
      'gulpfile.js',
      'package.json',
      '.editorconfig',
    ];
  
    var ignoreGlobs = [
      'project/',
    ];
  
    var q = new Queue({ concurrency: 1 });
  
    // 1. Ensure this is a Collider by populating 'project'.
    q.push(function (cb) {
      jsonfile.readFile('./collider.json', function (err, _project) {
        if (err) cb(err);
        project = _project;
        cb(null);
      });
    });
  
    // 2. Clean current Collider install.
    q.push(function (cb) {
      var numJobs = cleanGlobs.length;
      var numJobsCompleted = 0;
  
      cleanGlobs.forEach(function (pattern) {
        rimraf(pattern, {}, function (err) {
          if (err) cb(err);
  
          numJobsCompleted++;
          if (numJobsCompleted === numJobs) {
            cb(null);
          }
        });
      });
    });
  
    // 3. Download latest Collider.
    q.push(function (cb) {
      utils.download('http://getcollider.com/latest.tar.gz', tmpArchive, {
        headers: { 'User-Agent': `collider-cli/${pkg.version}`, },
        timeout: 10000,
      }, cb);
    });
  
    // 4. Expand latest Collider into project.
    q.push(function (cb) {
      utils.extractTarGz(tmpArchive, '.', ignoreGlobs, cb);
    });
  
    // 5. Rebuild '_matter.scss'.
    q.push(function (cb) {
      matter.updateImports(project, cb);
    });
  
    q.start(function (err) {
      if (err) throw err;
      console.log();
      console.log('All dependencies have been updated successfully.');
      console.log();
    });
  
  };
  
subject: Remove stray console.log