GNU bug report logs - #59257
29.0.50;vc-git-mode-line-string out of range

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Package: emacs;

Reported by: Uwe Brauer <oub <at> mat.ucm.es>

Date: Mon, 14 Nov 2022 23:15:02 UTC

Severity: normal

Merged with 59011

Found in version 29.0.50

Done: Sean Whitton <spwhitton <at> spwhitton.name>

Bug is archived. No further changes may be made.

Full log


Message #11 received at 59257 <at> debbugs.gnu.org (full text, mbox):

From: Uwe Brauer <oub <at> mat.ucm.es>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: Uwe Brauer <oub <at> mat.ucm.es>, 59257 <at> debbugs.gnu.org
Subject: Re: bug#59257: 29.0.50;vc-git-mode-line-string out of range
Date: Tue, 15 Nov 2022 08:28:51 +0100
[Message part 1 (text/plain, inline)]
> Uwe Brauer <oub <at> mat.ucm.es> writes:

> It seems like `vc-git--symbolic-ref' returns nil when it shouldn't?

> I think the attached patch will stop the backtrace from happening, but
> it's more of a workaround:

Thanks, I will test it and report back if you find anything strange. 

Since I only use git very occasionally I have no idea 
why this error pops up and what it means.




> diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
> index a1ff03144b..ae3cada3d7 100644
> --- a/lisp/vc/vc-git.el
> +++ b/lisp/vc/vc-git.el
> @@ -391,7 +391,7 @@ vc-git-mode-line-string
>    "Return a string for `vc-mode-line' to put in the mode line for FILE."
>    (let* ((rev (vc-working-revision file 'Git))
>           (disp-rev (or (vc-git--symbolic-ref file)
> -                       (and rev (substring rev 0 7))))
> +                       (and rev (string-limit rev 7))))
>           (def-ml (vc-default-mode-line-string 'Git file))
>           (help-echo (get-text-property 0 'help-echo def-ml))
>           (face   (get-text-property 0 'face def-ml)))

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This bug report was last modified 151 days ago.

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