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From:   Junio C Hamano <gitster@pobox.com>
To:     Emily Shaffer <emilyshaffer@google.com>
Cc:     git@vger.kernel.org
Subject: Re: [PATCH v3 01/17] commit: use config-based hooks
References: <20201222000435.1529768-1-emilyshaffer@google.com>
        <20201222000435.1529768-2-emilyshaffer@google.com>
Date:   Mon, 01 Feb 2021 14:08:50 -0800
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Emily Shaffer <emilyshaffer@google.com> 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.