Emily Shaffer <emilyshaffer@xxxxxxxxxx> writes: > Because all but 'post-commit' hooks are expected to make some state > change, force all but 'post-commit' hook to run in series. OK. And a sequence of hooks that run in series are expected to use the output from the previous one as its input? > 'post-commit' > "is meant primarily for notification, and cannot affect the outcome of > `git commit`," so it is fine to run in parallel. Makes sense.