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Practical Git: Diagnose which commit broke something with git bisect


Sometimes you find a bug in your project that has been around for a while without being noticed; it can be hard to track down where that bug was introduced and why just by searching through logs and diffs. Git has a slick tool called git bisect that can be used to find out which commit introduced problem in our code - it creates a binary search where the programmer can mark each search commit as good or bad; by the end of the bisect, Git shows you exactly which commit introduced the issue. In this lesson, we walk through an example of using git bisect from start to finish.