Method bailout

bin/yarn-standalone.js:6645–6701

(patterns, workspaceLayout)

  }

  bailout(patterns, workspaceLayout) {
    var _this3 = this;

    return (0, (_asyncToGenerator2 || _load_asyncToGenerator()).default)(function* () {
      // We don't want to skip the audit - it could yield important errors
      if (_this3.flags.audit) {
        return false;
      }
      // PNP is so fast that the integrity check isn't pertinent
      if (_this3.config.plugnplayEnabled) {
        return false;
      }
      if (_this3.flags.skipIntegrityCheck || _this3.flags.force) {
        return false;
      }
      const lockfileCache = _this3.lockfile.cache;
      if (!lockfileCache) {
        return false;
      }
      const lockfileClean = _this3.lockfile.parseResultType === 'success';
      const match = yield _this3.integrityChecker.check(patterns, lockfileCache, _this3.flags, workspaceLayout);
      if (_this3.flags.frozenLockfile && (!lockfileClean || match.missingPatterns.length > 0)) {
        throw new (_errors || _load_errors()).MessageError(_this3.reporter.lang('frozenLockfileError'));
      }

      const haveLockfile = yield (_fs || _load_fs()).exists(path.join(_this3.config.lockfileFolder, (_constants || _load_constants()).LOCKFILE_FILENAME));

      const lockfileIntegrityPresent = !_this3.lockfile.hasEntriesExistWithoutIntegrity();
      const integrityBailout = lockfileIntegrityPresent || !_this3.config.autoAddIntegrity;

      if (match.integrityMatches && haveLockfile && lockfileClean && integrityBailout) {
        _this3.reporter.success(_this3.reporter.lang('upToDate'));
        return true;
      }

      if (match.integrityFileMissing && haveLockfile) {
        // Integrity file missing, force script installations
        _this3.scripts.setForce(true);
        return false;
      }

      if (match.hardRefreshRequired) {
        // e.g. node version doesn't match, force script installations
        _this3.scripts.setForce(true);
        return false;
      }

      if (!patterns.length && !match.integrityFileMissing) {
        _this3.reporter.success(_this3.reporter.lang('nothingToInstall'));
        yield _this3.createEmptyManifestFolders();
        yield _this3.saveLockfileAndIntegrity(patterns, workspaceLayout);
        return true;
      }

      return false;
    })();
  }