How to un-approve github review after new commits automatically

Question

Once a pull request is approved, if there are further commits:

The Pull request should go to un-approved state automatically.

Can this be d

Answer 1

The ability to Dismiss stale pull request approvals when new commits are pushed is a setting under Require pull request reviews before merging in the branch protection settings. This is disabled by default.

Answer 2

This isn't currently offered.

You can create an application that listens for push webhook events, queries the API for all Reviews for a Pull Request, and dismisses any that are APPROVED.

Here is a Ruby script you could host on heroku.