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How to Find a Bug with `git bisect` (Binary Search Debugging)

· 5 min read
Serhii Hrekov
software engineer, creator, artist, programmer, projects founder

Finding a bug is like detective work-except the crime scene is your code, and the suspect is one of your last 200 commits. You know the code worked last week, and you know it's broken now, but finding the exact moment it failed can take hours of manual checking.

Enter git bisect. It uses a binary search algorithm to find the offending commit with mathematical efficiency. Instead of checking every commit, it cuts the search area in half every single time.