Jani Nikula <jani@nikula.org> writes:

> On Tue, Nov 8, 2016 at 1:16 AM, Matt Armstrong <marmstrong@google.com> wrote:
>> I'm not experienced with managing patches via email on this list,
>> especially when it comes to applying patches sent out for review and
>> testing.  Is there a documented best practice?
>
> Not sure about best practice, but this works for me:
>
> M-x cd RET /path/to/repo RET
>
> Apply a single patch in show mode:
> | git am RET
>
> Apply all expanded patch messages in a thread in show mode:
> C-u | git am RET

Ah, notmuch-show-pipe-message is what I was missing.  Thanks Jani.