GNU bug report logs - #51497
29.0.50; (vc-print-log) broken over TRAMP

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Dima Kogan <dima <at> secretsauce.net>
Cc: 51497 <at> debbugs.gnu.org, Lars Ingebrigtsen <larsi <at> gnus.org>, Wolfgang Scherer <wolfgang.scherer <at> gmx.de>, Dmitry Gutov <dgutov <at> yandex.ru>
Subject: bug#51497: 29.0.50; (vc-print-log) broken over TRAMP
Date: Sun, 31 Oct 2021 09:16:03 +0100

Dima Kogan <dima <at> secretsauce.net> writes:

> Hi. I figured this out.

Hi,

> I can try to run this
> command directly (outside of emacs) on the target box:
>
>   $ git --no-pager ls-files -c -z -- ':(literal)FILE.c' </dev/null
>
>   fatal: Invalid pathspec magic 'literal' in ':(literal)FILE.c'
>
> The issue is that this target box has a version of git too old to know
> about :(literal):
>
>   kogan <at> aargh:~/stereo-server$ git --version
>   git version 1.8.3.1
>
> Yeah, it's ancient, but I don't control this particular machine, and I
> don't think basic stuff like "C-x v l" should be non-functional here.
> Can we add some logic to emacs to not hard-depend on this stuff?

vc-git.el could declare a variable which determines, whether the git
command supports :(literal) (perhaps it does already). A user could
change this variable via connection-local settings.

> Thanks

Best regards, Michael.

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