tree 6bd035f251ab69efad576b840e1da635723012b6
parent f7bf890ff77046576c1c3ca5f5414ca17a0590f7
author Nicholas Shahan <nshahan@google.com> 1557335335 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1557335335 +0000

[dartdevc] Cleanup ddb script

* Fix possible race condition when flushing `stdout` and `stderr`.
* Add help option and usage text (saves me from digging into the file when I
  forget a flag).
* Avoid passing `enable-experiment` with an empty string.

Change-Id: Iea288a1fad43f16c494510302efbcc65a2d91502
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101744
Reviewed-by: Mark Zhou <markzipan@google.com>
Reviewed-by: Vijay Menon <vsm@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>