code: function (options, dir, callback) {
    async.forEachOf(options.icon, function (icon, resolution, callback) {
      var iconFile = path.join(dir, 'share/icons/hicolor', resolution, 'apps', options.id + '.png')
      options.logger('Creating icon file at ' + iconFile)
  
      fs.copy(icon, iconFile, callback)
    }, function (err) {
      callback(err && new Error('Error creating icon file: ' + (err.message || err)))
    })
  }
docs: Create hicolor icon for the package.