GNU bug report logs - #77946
master d283db57733: Fix window selection after log-edit-show-diff, again

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From: Sean Whitton <spwhitton <at> spwhitton.name>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 77946 <at> debbugs.gnu.org, Juri Linkov <juri <at> linkov.net>
Subject: bug#77946: master d283db57733: Fix window selection after log-edit-show-diff, again
Date: Mon, 21 Apr 2025 09:53:10 +0800

Hello,

On Sun 20 Apr 2025 at 10:22pm +03, Eli Zaretskii wrote:

>> Cc: Sean Whitton <spwhitton <at> spwhitton.name>
>> From: Juri Linkov <juri <at> linkov.net>
>> Date: Sun, 20 Apr 2025 20:53:00 +0300
>>
>> > diff --git a/lisp/vc/log-edit.el b/lisp/vc/log-edit.el
>> > index 0da0b90975c..3c3288777c8 100644
>> > --- a/lisp/vc/log-edit.el
>> > +++ b/lisp/vc/log-edit.el
>> > @@ -857,7 +857,8 @@ vc-log-fileset
>> >  (defun log-edit-diff-fileset ()
>> >    "Display diffs for the files to be committed."
>> >    (interactive)
>> > -  (vc-diff nil nil (list log-edit-vc-backend vc-log-fileset)))
>> > +  (save-selected-window
>> > +    (vc-diff nil nil (list log-edit-vc-backend vc-log-fileset))))
>>
>> This change broke the command 'log-edit-show-diff' ('C-c C-d').
>> Previously it selected the diff window.  Now it always stays in the vc-log window.
>
> Isn't it a bug in log-edit-show-diff?  Why does it assume that it will
> be put in the diff window?  It should instead switch there.

Yes, I think you're basically right, but I think we should have two
things:

- a command, bound to C-c C-d, that both displays and selects the window
- a function, an option for log-edit-hook, that only displays the window

So the changes required are:

- write a new command that both dispalys and selects the window, bind it
  to C-c C-d

- add log-edit-show-diff to the customisation options for log-edit-hook.

-- 
Sean Whitton

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