atom-nuclide/pkg/nuclide-hg-rpc/lib/hg-bookmark-helpers.js

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/**
 * @param repoPath The full path to the repository directory (.hg).
 * @return A promise that resolves to the current bookmark name, if it exists,
 *   or else an empty string.
 */

var fetchActiveBookmark = _asyncToGenerator(function* (repoPath) {
  var bookmarkFile = (_commonsNodeNuclideUri2 || _commonsNodeNuclideUri()).default.join(repoPath, 'bookmarks.current');
  var result = undefined;
  try {
    result = yield (_commonsNodeFsPromise2 || _commonsNodeFsPromise()).default.readFile(bookmarkFile, 'utf-8');
  } catch (e) {
    if (!(e.code === 'ENOENT')) {
      // We expect an error if the bookmark file doesn't exist. Otherwise, the
      // error is unexpected, so log it.
      logger.error(e);
    }
    result = '';
  }
  return result;
});

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { var callNext = step.bind(null, 'next'); var callThrow = step.bind(null, 'throw'); function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(callNext, callThrow); } } callNext(); }); }; }

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

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

var _commonsNodeFsPromise2;

function _commonsNodeFsPromise() {
  return _commonsNodeFsPromise2 = _interopRequireDefault(require('../../commons-node/fsPromise'));
}

var _commonsNodeNuclideUri2;

function _commonsNodeNuclideUri() {
  return _commonsNodeNuclideUri2 = _interopRequireDefault(require('../../commons-node/nuclideUri'));
}

var _nuclideLogging2;

function _nuclideLogging() {
  return _nuclideLogging2 = require('../../nuclide-logging');
}

var logger = (0, (_nuclideLogging2 || _nuclideLogging()).getLogger)();

module.exports = {
  fetchActiveBookmark: fetchActiveBookmark
};