We are now in a git monoculture in version control system land. Where does that leave us if we want:

• A command line interface that doesn't suck
• A format not built on (weakened) SHA-1
• A way to customise behaviour using Python

This talk introduces Breezy, a fork of the Bazaar VCS, suitable for hacking on by anyone, with git format support using Dulwich.

Find out how (and why) to contribute, with the confidence of a comprehensive test suite to validate your changes.