Add --no-updater flag

Summary: Provide a `--no-updater` option that disables the in-app auto updater when passed.

Reviewed By: jknoxville

Differential Revision: D13713919

fbshipit-source-id: 49a647105fea1efa23f653e4a6ed452b3489879b

src/utils/argvUtils.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import electron from 'electron';
+import isProduction from './isProduction';
+
+export const isAutoUpdaterEnabled = () =>
+  // $FlowFixMe: argv is not included in the type defs.
+  !electron.remote.process.argv.includes('--no-updater') &&
+  isProduction() &&
+  process.platform === 'darwin';