GNU bug report logs - #38387
27.0.50; [PATCH] vc-hg: use 'hg summary' to populate vc-dir headers

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From: "Daniel Colascione" <dancol <at> dancol.org>
To: "Dmitry Gutov" <dgutov <at> yandex.ru>
Cc: 38387 <at> debbugs.gnu.org, Daniel Colascione <dancol <at> dancol.org>, Andrii Kolomoiets <andreyk.mad <at> gmail.com>
Subject: bug#38387: 27.0.50; [PATCH] vc-hg: use 'hg summary' to populate vc-dir headers
Date: Wed, 27 Nov 2019 10:53:10 -0800

> Hi Andrii,
>
> On 26.11.2019 17:16, Andrii Kolomoiets wrote:
>
>> By invoking single 'summary' command we can get more info about
>> repository state: parent revisions, current branch, tags, bookmarks,
>> commit status, available updates and phase.
>
> I guess the questions are:
>
> - Is this output better than the previous one? Hopefully others will
> chime in, e.g. Daniel, who wrote some major improvements to vc-hg a few
> years ago.
>
> - Is 'hg summary' stable enough? Maybe a few years from now Mercurial
> changes its output and this code stops working in all Emacs we'd have
> released in the meantime? This is why we try to use "porcelain" level
> commands (in Git terminology) when possible, not user-level.
>

What's the performance of summary like these days?

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