Patch 621a963 in to the alpha branch

tvolkert · tvolkert · commit 553fc4264e5c · 2018-03-01T09:30:25.000-08:00
This is a one-time patch on a branch in order to get uses who are stuck on the alpha branch off of it: $ flutter upgrade // will sync this commit $ flutter channel dev // will finally get them off this channel Fixes flutter#14865
diff --git a/packages/flutter_tools/lib/src/commands/channel.dart b/packages/flutter_tools/lib/src/commands/channel.dart
@@ -93,7 +93,7 @@ class ChannelCommand extends FlutterCommand {
 
   static Future<Null> _checkout(String branchName) async {
     final int result = await runCommandAndStreamOutput(
-      <String>['git', 'checkout', branchName],
+      <String>['git', 'checkout', branchName, '--'],
       workingDirectory: Cache.flutterRoot,
       prefix: 'git: ',
     );
