Function _executeForceUpdateInner

src/forceUpdate.js:764–955

(forceUpdate)

}

function _executeForceUpdateInner(forceUpdate) {
  const INSTALL_ROOT = getEvolverInstallRoot();

  // Defense in depth: if a future refactor breaks path resolution and
  // INSTALL_ROOT no longer points at the evolver package (no package.json
  // / wrong package name), refuse the update rather than risk
  // overwriting an unrelated directory. This is the last guard between
  // the deletion loop and the user's data.
  try {
    const pkg = JSON.parse(fs.readFileSync(path.join(INSTALL_ROOT, 'package.json'), 'utf8'));
    if (!pkg || !_isEvolverPackageName(pkg.name)) {
      console.warn('[ForceUpdate] Refusing — ' + INSTALL_ROOT +
        '/package.json has name="' + (pkg && pkg.name) +
        '", expected "@evomap/evolver". Aborting to avoid data loss.');
      return _fail(FORCE_UPDATE_FAIL_CODES.INSTALL_GUARD_NAME_MISMATCH,
        'install root package.json name="' + (pkg && pkg.name) + '", expected "@evomap/evolver"');
    }
  } catch (e) {
    if (_recoverPackageCommitMarkerIfMissing(INSTALL_ROOT)) {
      try {
        const recoveredPkg = JSON.parse(fs.readFileSync(path.join(INSTALL_ROOT, 'package.json'), 'utf8'));
        if (!recoveredPkg || !_isEvolverPackageName(recoveredPkg.name)) {
          console.warn('[ForceUpdate] Refusing — recovered ' + INSTALL_ROOT +
            '/package.json has name="' + (recoveredPkg && recoveredPkg.name) +
            '", expected "@evomap/evolver". Aborting to avoid data loss.');
          return _fail(FORCE_UPDATE_FAIL_CODES.INSTALL_GUARD_NAME_MISMATCH,
            'recovered install root package.json name="' + (recoveredPkg && recoveredPkg.name) +
            '", expected "@evomap/evolver"');
        }
      } catch (recoverReadErr) {
        console.warn('[ForceUpdate] Refusing — cannot read recovered ' + INSTALL_ROOT +
          '/package.json: ' + (recoverReadErr && recoverReadErr.message || recoverReadErr));
        return _fail(FORCE_UPDATE_FAIL_CODES.INSTALL_GUARD_UNREADABLE,
          'cannot read recovered install root package.json: ' + _errStr(recoverReadErr));
      }
    } else if (_hasStrongEvolverInstallMarkers(INSTALL_ROOT)) {
      console.warn('[ForceUpdate] install package.json is unreadable, but strong evolver install markers are present; bootstrap recovery allowed');
    } else {
      console.warn('[ForceUpdate] Refusing — cannot read ' + INSTALL_ROOT +
        '/package.json: ' + (e && e.message || e));
      return _fail(FORCE_UPDATE_FAIL_CODES.INSTALL_GUARD_UNREADABLE,
        'cannot read install root package.json: ' + _errStr(e));
    }
  }

  const requiredVersion = normalizeRequiredVersion(forceUpdate.required_version);
  if (!requiredVersion) {
    console.warn('[ForceUpdate] Refusing — required_version "' +
      String(forceUpdate.required_version || '').replace(/^[>=^~\s]+/, '') +
      '" is not a concrete semver (ranges not accepted).');
    return _fail(FORCE_UPDATE_FAIL_CODES.BAD_REQUIRED_VERSION,
      'required_version=' + JSON.stringify(forceUpdate && forceUpdate.required_version) + ' is not a concrete semver');
  }

  function getCurrentVersion() {
    try {
      var pkg = JSON.parse(fs.readFileSync(path.join(INSTALL_ROOT, 'package.json'), 'utf8'));
      return pkg.version || '0.0.0';