Git Bisect: Find the Exact Commit That Introduced a Bug

How to use git bisect to binary-search through commits and find exactly which commit introduced a bug. With automated bisect.

Manual Bisect

git bisect start\ngit bisect bad           // current commit is broken\ngit bisect good v1.0.0   // this version was working\n// Git checks out a middle commit. Test it, then:\ngit bisect good   // or: git bisect bad\n// Repeat until Git finds the exact commit\ngit bisect reset  // done

Automated Bisect

git bisect start HEAD v1.0.0\ngit bisect run npm test   // runs tests automatically

Related Tools & Articles

• JSON Formatter
• Base64 Encoder
• Password Generator
• Regex Tester
• Hash Generator
• All 50+ Free Tools