System overview

The main Git-Mastery repositories work together as follows:

flowchart LR
    exercises --> gitautograder[git-autograder]
    exercises --> reposmith[repo-smith]
    app -->|downloads| exercises
    app -->|updates| progress[progress-dashboard]

1. app downloads and verifies hands-ons and exercises through the gitmastery CLI.
2. exercises is where contributors define hands-ons, exercises, resources, and verification tests.
3. git-autograder provides the verification model used by exercise verify.py scripts.
4. repo-smith creates repository states for unit tests that validate verify.py behavior.
5. progress-dashboard visualizes learner progress data sent by the gitmastery CLI.