When file transforms race and lose, accept defeat gracefully
Summary: Fixes T8277. Transforming files can race; resolve the race after we lose.
- Added sleep(10) near the bottom of the transform controller.
- Transformed a file in two browser windows at the same time; got something like this (exception corresponds to the loser of the race):
- Applied patch.
- Repeated process, got this:
Reviewed By: btrahan
Maniphest Tasks: T8277
Differential Revision: https://secure.phabricator.com/D12965