Git Version Control Cookbook - Second Edition

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Instead of running all the bisecting steps manually, it's possible to do it automatically by passing Git a script, makefile, or test to run on each commit. The script needs to exit with a zero-status to mark a commit as good and a non-zero status to mark it as bad. We can use the test.sh script we created at the beginning of this chapter for this. First, we set up the good and bad commits:

$ git bisect start HEAD master
Bisecting: 11 revisions left to test after this (roughly 4 steps)
[9d2cd13d4574429dd0dcfeeb90c47a2d43a9b6ef] Build map part 11

Then, we tell Git to run the test.sh script and automatically mark the commits:

$ git bisect run ../test.sh running ../test.sh Bisecting: 5 revisions left to test after this (roughly ...