hunk.code_window:     if (verify) {
         step = 'verifying'
         updateState()
         const verifier = destination.createVerifier(checksum, sourceMetadata.size)
         verifier.on('progress', onProgress2)
  
hunk.labels: keep replace keep keep keep
hunk.after_edit:       step = 'check'
  
hunk.file_path: lib/gui/modules/child-writer.js
hunk.type: replace
file: /*
   * Copyright 2018 resin.io
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  'use strict'
  
  const _ = require('lodash')
  const os = require('os')
  const settings = require('../../../models/settings')
  const utils = require('../../../../../shared/utils')
  const angular = require('angular')
  
  /* eslint-disable lodash/prefer-lodash-method */
  
  module.exports = function (
    $uibModalInstance
  ) {
    /**
     * @summary Close the modal
     * @function
     * @public
     *
     * @example
     * FileSelectorController.close();
     */
    this.close = () => {
      $uibModalInstance.close()
    }
  
    /**
     * @summary Folder to constrain the file picker to
     * @function
     * @public
     *
     * @returns {String} - folder to constrain by
     *
     * @example
     * FileSelectorController.getFolderConstraint()
     */
    this.getFolderConstraint = utils.memoize(() => {
      return settings.has('fileBrowserConstraintPath')
        ? settings.get('fileBrowserConstraintPath')
        : ''
    }, angular.equals)
  
    /**
     * @summary Get initial path
     * @function
     * @public
     *
     * @returns {String} - path
     *
     * @example
     * <file-selector path="FileSelectorController.getPath()"></file-selector>
     */
    this.getPath = () => {
      const constraintFolderPath = this.getFolderConstraint()
      return _.isEmpty(constraintFolderPath) ? os.homedir() : constraintFolderPath
    }
  }
  