If you have a breaking change in a new version of the code with lots of changes, or don't discover the break until several revisions later, git can help find th

If you have a breaking change in a new version of the code with lots of changes, or don't discover the break until several revisions later, git can help find the responsible code with git bisect. The idea is to manage and track change to your code base so that you can answer questions about the code base efficiently when there are problems.