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Re: Proposal: ls-lisp.el handle --group-directories-first flag

From: Arthur Miller
Subject: Re: Proposal: ls-lisp.el handle --group-directories-first flag
Date: Sun, 25 Jul 2021 10:29:39 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Arthur Miller <arthur.miller@live.com>
>> Cc: emacs-devel@gnu.org
>> Date: Sat, 24 Jul 2021 21:02:56 +0200
>> Eli Zaretskii <eliz@gnu.org> writes:
>> >> From: Arthur Miller <arthur.miller@live.com>
>> >> Cc: emacs-devel@gnu.org
>> >> Date: Sat, 24 Jul 2021 16:58:08 +0200
>> >> 
>> >> >> > Btw, in my testing, with ls-lisp-dirs-first bound non-nil, the
>> >> >> > directories are shown in their correct alphabetically sorted order.
>> >> >> > So I'm unsure what problems you saw and in which scenario.  Can you
>> >> >> > tell more about this issue?
>> >> 
>> >> When I was testing, if ls-lisp-dirs-first is nil, and
>> >> --group-directories-first is specified, dirs come out in reverse order
>> >> in new buffer. Just reverting the buffer didn't show this. I don't know
>> >> why it is so.
>> >
>> > Because --group-directories-first includes 'r'?
>> No, it is removed from switches before sorting happends, in this patch.
>> >> If you are OK with the patch2, then here is one without -U on top of
>> >> that one.
>> >
>> > I take it that the problem with the reverse order doesn't exist?  Or
>> > does it still exist and needs to be debugged?
>> No longer, the last patch fixes it by setting let-bound value of
>> ls-lisp-dirs-first to 't. I hope somebody else test it too,
>> beside me.
> Thanks, I installed it, with some minimal changes.

Cool. Thanks!

> Btw, I don't see a copyright assignment for your contributions on
> file.  Would you like to start the legal paperwork rolling, so we
> could accept further contributions from you in the future?

I have already signed it. No idea why you can't see it.

I already helped with patch to dired.c with lots of help from Michael
A, if you remember directory-empty-p, you suggested to add count to
return to cut off unnecessary iteration and with wdired not re-reading
entire buffer when switching from dired wich proffeseur SM made into a
working patch.

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