Strategies for enforcing commitizen

I'm not sure that this is the right place to open this but here goes; have there been any discussions on how to enforce commitizen? We started using it in a few projects at work but it's both easy to forget and hard to make sure that everyone committing to the project respects it.

Maybe an idea would be to add a `commitizen check master` that checks all commits that have been added on this branch when compared to master. The exit code should be 0 (success) when all messages looks good.

This way we can run that as part of our CI step.

Any ideas?