This should only sync master and should be a non patchable evergreen task. We should see after commits land copybara jobs are scheduled and the commit is copied to 10gen/mongo-copybara. This should be in a new copybara variant. We should also make sure that logs are uploaded so debugging failures are easy.
This should involve using copybera to replace the currently checked out code with the to-be-commited code. This way we will be able to run tests on this code before publishing.
The configuration of copybara should be checked into the 10gen/mongo repo and copybara should run in a container