old_contents: // Module dependencies
  'use strict';
  var debug = require('debug')('ruche');
  
  /**
   * This function parse a `ruche.json`. Those files describes all the packages
   * available. By passing a `wanted` argument you choose the specifications of
   * the package you want.
   * @summary  Find the best package to install
   * @memberOf Ruche
   * @param    {object} wanted Package and spec you want. It's an object with
   *           at least one key `package`. Optionnals keys can be added:
   *           `version` and `platform`.
   * @param    {object} data The content of a `ruche.json` file.
   * @return   {object} Return the info of the best package.
   * @example
   * var rucheUtil = require('./lib/ruche/util');
   * var data = {}; // content of a ruche.json file
   * var match = rucheUtil.match({ package: 'curl' }, data);
   * @requires debug
   * @since    0.0.1
   * @license  [The MIT License (MIT)]{@link http://git.io/QMeU-w}
   */
  var match = function match(wanted, data) {
  
    function calcVersion(item) {
      var calc = '';
      /*jshint unused:false */
      item.split('.').forEach(function (v, i, r) {
        var toFill = 5 - v.length;
        calc += new Array(toFill).join('0') + v;
      });
      return parseInt(calc);
    }
  
    var dataByVersion = data.sort(function (a, b) {
      return calcVersion(b.version) - calcVersion(a.version);
    });
  
    var platform;
    if (process.env.PROCESSOR_ARCHITECTURE === 'AMD64') {
      platform = 'win64';
    }
    platform = wanted.platform || platform || 'win32';
  
    var version = wanted.version || dataByVersion[0].version;
    console.log('search for v%s on %s', version, platform);
  
    var i;
    var c;
    var tmp = [];
    var len = dataByVersion.length;
    for (i = 0; i < len; i++) {
      c = dataByVersion[i];
      if (c.version === version && c.platform === platform) {
        tmp.push(c);
      }
    }
    if (tmp.length === 0) {
      tmp.push(dataByVersion[0]);
    }
    console.dir(tmp);
    debug('Match %s-%s-%s', c.package, c.version, c.platform);
    return tmp[0];
  };
  
  module.exports = match;
  
new_contents: // Module dependencies
  'use strict';
  var debug = require('debug')('ruche');
  
  /**
   * This function parse a `ruche.json`. Those files describes all the packages
   * available. By passing a `wanted` argument you choose the specifications of
   * the package you want.
   * @summary  Find the best package to install
   * @memberOf RucheUtil
   * @param    {object} wanted Package and spec you want. It's an object with
   *           at least one key `package`. Optionnals keys can be added:
   *           `version` and `platform`.
   * @param    {object} data The content of a `ruche.json` file.
   * @return   {object} Return the info of the best package.
   * @example
   * var rucheUtil = require('./lib/ruche/util');
   * var data = {}; // content of a ruche.json file
   * var match = rucheUtil.match({ package: 'curl' }, data);
   * @requires debug
   * @since    0.0.1
   * @license  [The MIT License (MIT)]{@link http://git.io/QMeU-w}
   */
  var match = function match(wanted, data) {
  
    function calcVersion(item) {
      var calc = '';
      /*jshint unused:false */
      item.split('.').forEach(function (v, i, r) {
        var toFill = 5 - v.length;
        calc += new Array(toFill).join('0') + v;
      });
      return parseInt(calc);
    }
  
    var dataByVersion = data.sort(function (a, b) {
      return calcVersion(b.version) - calcVersion(a.version);
    });
  
    var platform;
    if (process.env.PROCESSOR_ARCHITECTURE === 'AMD64') {
      platform = 'win64';
    }
    platform = wanted.platform || platform || 'win32';
  
    var version = wanted.version || dataByVersion[0].version;
    console.log('search for v%s on %s', version, platform);
  
    var i;
    var c;
    var tmp = [];
    var len = dataByVersion.length;
    for (i = 0; i < len; i++) {
      c = dataByVersion[i];
      if (c.version === version && c.platform === platform) {
        tmp.push(c);
      }
    }
    if (tmp.length === 0) {
      tmp.push(dataByVersion[0]);
    }
    console.dir(tmp);
    debug('Match %s-%s-%s', c.package, c.version, c.platform);
    return tmp[0];
  };
  
  module.exports = match;
  
subject: Move this module from Ruche to RucheUtil