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Issue description

After running the #lab finish builds-review command, the fix-changes in the repository continue, when I try to practice again, part of the exercise is solved. Would it be very complex to leave the repository in its initial state?

Similarly, I think it could be interesting if the # lab start builds-review script, instead of overwriting the ~/DO288/labs/builds-review and ~/DO288/solutions/builds-review directories, deleted them first (this could be extensible to all labs)

Steps to reproduce:

Workaround:

Expected result: