From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 16 Jun 2016 18:20:33 GMT
Subject: Re: [PATCH 0/7] gpg-interface cleanups
Message-ID: <xmqqy4653si6.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <20160616093248.GA15130@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> This started off with Michael's patch to sign_buffer, which is at the
> tip, and then me trying to address the possible deadlocks there and in
> verify_signed_buffer. While I was in the area, I took the opportunity to
> do a few cleanups.
>
> It's unclear to me whether the deadlocks are possible in practice; see
> patch 5 for discussion.

I do recall thinking about the verification side and coming up with
the same conclusion as yours when we queued that code (i.e. they
need to read the whole thing before checking).

> My guess is probably not, but the amount of code
> to support doing it right is not all that much. But if we don't like it,
> we can drop 4-6.

Let's keep all of them; they all looked reasonable.

> Patch 7 is still authored by Michael, but has been massaged greatly by
> me. I'll comment more directly on the changes there.
>
>   [1/7]: gpg-interface: use child_process.args
>   [2/7]: verify_signed_buffer: drop pbuf variable
>   [3/7]: verify_signed_buffer: use tempfile object
>   [4/7]: run-command: add pipe_command helper
>   [5/7]: verify_signed_buffer: use pipe_command
>   [6/7]: sign_buffer: use pipe_command
>   [7/7]: gpg-interface: check gpg signature creation status

Thanks.