Git Bisect

Find bugs with binary search through commits

Git bisect uses binary search to find which commit introduced a bug. It tests O(log n) commits instead of all of them.

Tell Git the last known good commit and the current bad commit.

8 commits, only ~3 tests needed (log₂8 = 3)

oldernewer

Terminal

$ git bisect start
$ git bisect bad          # current (C8) is broken
$ git bisect good C1      # C1 was working

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