code: function (options, dir, callback) {
    var copyrightFile = path.join(dir, 'share/doc', options.id, 'copyright')
    options.logger('Creating copyright file at ' + copyrightFile)
  
    async.waterfall([
      async.apply(readLicense, options),
      async.apply(fs.outputFile, copyrightFile)
    ], function (err) {
      callback(err && new Error('Error creating copyright file: ' + (err.message || err)))
    })
  }
docs: Create copyright for the package.