index.js

#!/usr/bin/env node

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */

var argv = require('minimist')(process.argv.slice(2));
var cli = require('./cli');

if (argv._.length === 0 && (argv.h || argv.help)) {
  console.log(
    [
      '',
      '  Usage: react-native-git-upgrade [version] [options]',
      '',
      '',
      '  Commands:',
      '',
      '    [Version]     upgrades React Native and app templates to the desired version',
      '                  (latest, if not specified)',
      '',
      '  Options:',
      '',
      '    -h, --help    output usage information',
      '    -v, --version output the version number',
      '    --verbose output debugging info',
      '    --npm force using the npm client even if your project uses yarn',
      '',
    ].join('\n'),
  );
  process.exit(0);
}

if (argv._.length === 0 && (argv.v || argv.version)) {
  console.log(require('./package.json').version);
  process.exit(0);
}

cli.run(argv._[0], argv).catch(console.error);