git bisect run for automated bisect - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of git bisect run?

It automates the process of finding a bad commit by running a test script on each commit during the bisect.

beginner

How do you start a bisect session to find a bad commit?

Use git bisect start, then mark a known bad commit with git bisect bad and a known good commit with git bisect good.

intermediate

What should the test script used with git bisect run return?

It should return 0 if the commit is good, and non-zero if the commit is bad.

intermediate

What happens if the test script fails or returns an unexpected code during git bisect run?

Git will stop the bisect process and report an error, requiring manual intervention.

beginner

How do you end a bisect session after finding the bad commit?

Run git bisect reset to return to the original branch and clean up the bisect state.

What command starts an automated bisect with a test script?

A git bisect run <script>

B git bisect start <script>

C git bisect test <script>

D git bisect automate <script>

git bisect run runs the test script automatically on each commit.

What exit code should a test script return to mark a commit as good?

A 0

B 1

C Any non-zero

D 255

Exit code 0 means success, so the commit is good.

Which command marks a commit as bad in a bisect session?

A git bisect fail

B git bisect bad-commit

C git bisect wrong

D git bisect bad

git bisect bad marks the current commit as bad.

What does git bisect reset do?

A Skips the current commit

B Starts a new bisect session

C Ends bisect and returns to original branch

D Runs the test script manually

It cleans up bisect state and returns to the branch you were on.

If the test script returns a non-zero code, what does git bisect assume?

A The commit is good

B The commit is bad

C The commit should be skipped

D The bisect should stop

Non-zero exit code means the commit is bad.

Explain how git bisect run automates finding a bad commit.

Think about how a script can test each commit automatically.

Describe the steps to perform a manual bisect and then automate it with a script.

Combine manual marking with automation.