cli-engine/lib/plugins/migrator.js

Generic CLI Framework

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _output = require('cli-engine-command/lib/output');

var _output2 = _interopRequireDefault(_output);

var _user = require('./user');

var _user2 = _interopRequireDefault(_user);

var _linked = require('./linked');

var _linked2 = _interopRequireDefault(_linked);

var _cache = require('./cache');

var _cache2 = _interopRequireDefault(_cache);

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _fsExtra = require('fs-extra');

var _fsExtra2 = _interopRequireDefault(_fsExtra);

var _lock = require('../lock');

var _lock2 = _interopRequireDefault(_lock);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const debug = require('debug')('cli-engine:migrator');

const SALESFORCE_BUILTINS = ['salesforcedx', 'salesforce-alm', 'force-language-services', 'salesforce-lightning-cli'];

exports.default = class {

  constructor(out) {
    let cache = new _cache2.default(out);
    this.userPlugins = new _user2.default({ out, config: out.config, cache });
    this.linkedPlugins = new _linked2.default({ out, config: out.config, cache });
    this.out = out;
    this.lock = new _lock2.default(this.out);
  }

  async run() {
    // short circuit quickly without having to aquire the writer lock
    if (_fsExtra2.default.existsSync(this.userPlugins.userPluginsPJSONPath)) return;
    if (!_fsExtra2.default.existsSync(_path2.default.join(this.userPlugins.userPluginsDir, 'plugins.json'))) return;

    let pljson = await this._readPluginsJSON();
    if (!pljson) return false;

    let downgrade = await this.lock.upgrade();
    await this._run(pljson);
    await downgrade();
  }

  async _run(pljson) {
    // prevent two parallel migrations from happening in case of a race
    if (_fsExtra2.default.existsSync(this.userPlugins.userPluginsPJSONPath)) return;

    debug('has existing plugins');
    this.out.action.start('Migrating Heroku CLI v5 plugins');
    debug('removing existing node_modules');
    for (let p of pljson) {
      if (SALESFORCE_BUILTINS.includes(p.name)) continue;
      debug(`installing ${p.name}`);
      await this._installPlugin(p.name, p.tag);
    }
    this.out.action.stop();
  }

  async _readPluginsJSON() {
    try {
      let pljsonPath = _path2.default.join(this.userPlugins.userPluginsDir, 'plugins.json');
      return _fsExtra2.default.readJSONSync(pljsonPath);
    } catch (err) {
      this.out.debug(err.message);
    }
  }

  async _installPlugin(name, tag) {
    try {
      if (tag === 'symlink') {
        await this._reinstallViaSymlink(name);
      } else {
        if (tag === '') tag = 'latest';
        await this.userPlugins.install(name);
      }
    } catch (err) {
      this.out.warn(err);
    }
  }

  async _reinstallViaSymlink(name) {
    debug(`Installing via symlink: ${name}`);
    let pluginPath = _fsExtra2.default.realpathSync(this.userPlugins.userPluginPath(name));
    await this.linkedPlugins.add(pluginPath);
  }
};