You don't have to share any of the code. The idea is that before committing, you run the tests that you mention and you're blocked from committing if those test

You don't have to share any of the code. The idea is that before committing, you run the tests that you mention and you're blocked from committing if those tests don't pass. That's really all there is to it. You can disable those checks at any point when you commit if you wish.