GNU bug report logs - #73387
30.0.90; C-x v v in diff-mode doesn't work after C-c C-n

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From: Sean Whitton <spwhitton <at> spwhitton.name>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 73387 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, Juri Linkov <juri <at> linkov.net>
Subject: bug#73387: 30.0.90; C-x v v in diff-mode doesn't work after C-c C-n
Date: Tue, 01 Oct 2024 09:40:34 +0800

Hello,

On Tue 01 Oct 2024 at 04:15am +03, Dmitry Gutov wrote:

> On 01/10/2024 04:01, Sean Whitton wrote:
>> I don't think that's quite right.
>>
>> If you use C-c C-n in a diff-mode buffer with current master, then
>> C-x v v doesn't get far enough to call the user-error I added.
>> "No next file" is not the error message that you should get.
>
> Ah, okay.
>
> Building the list and then not using it feels kind of wasteful, though.
>
> Should we move the check earlier?
>
> I.e. do this (and probably remove it from vc-next-action):

Is it right that diff-vc-deduce-fileset will only ever be called in the
context of using C-x v v to commit a patch?  The name of the function
suggests that it might be used for something else, if not now then in
the future.

-- 
Sean Whitton

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