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Git & GitHub Professional Workflow · Lesson

Git Bisect for Debugging

Utilize `git bisect` to efficiently find the specific commit that introduced a bug, saving valuable debugging time.

Finding Bugs Faster with Git

Debugging can be tough. Sometimes a bug appears, and you don't know which change caused it.

git bisect is a powerful Git command that helps you pinpoint the exact commit that introduced a bug. It uses a binary search algorithm to quickly narrow down thousands of commits.

The Power of Binary Search

Imagine your project has 100 commits, and a bug appeared somewhere between the first and last. Checking each one manually is slow!

git bisect works like a "guess the number" game:

  • You tell Git a "good" commit (where the bug wasn't present).
  • You tell Git a "bad" commit (where the bug is present).
  • Git picks a commit roughly in the middle and asks you to test it.
  • You mark it "good" or "bad", and Git halves the search space.

All lessons in this course

  1. Git Reflog & Recovering History
  2. Git Bisect for Debugging
  3. Repository Maintenance & Housekeeping
  4. Rewriting History with git filter-repo
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