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From:   Junio C Hamano <gitster@pobox.com>
To:     Sergey Organov <sorganov@gmail.com>
Cc:     Johannes Sixt <j6t@kdbg.org>, Jeff King <peff@peff.net>,
        Paul Mackerras <paulus@ozlabs.org>,
        Git Mailing List <git@vger.kernel.org>
Subject: Re: diff-index --cc no longer permitted, gitk is now broken (slightly)
References: <e6bd4cf7-ec8b-5d22-70f6-07089794df0c@kdbg.org>
        <87h7f4tf0b.fsf@osv.gnss.ru> <xmqqy288b64q.fsf@gitster.g>
        <87pmtjkwsj.fsf@osv.gnss.ru> <87sfy497ed.fsf@osv.gnss.ru>
        <xmqqy27wrzmj.fsf@gitster.g> <874kaki1nb.fsf@osv.gnss.ru>
Date:   Thu, 16 Sep 2021 15:50:48 -0700
In-Reply-To: <874kaki1nb.fsf@osv.gnss.ru> (Sergey Organov's message of "Fri,
        17 Sep 2021 01:41:44 +0300")
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Sergey Organov <sorganov@gmail.com> writes:

> I'm not sure I follow. What "show -p" has to do with "diff-index --cc"?
>
> My only point here is that usage of *--cc* in *diff-index* is entirely
> undocumneted, and that needs to be somehow resolved.

It was a response to your "historical status quo that is a problem."
I do not think there is any problem with "diff-index --cc" (except
for it wants a better documentation---but that we already agree) but
I wanted to give you some credit for having worked on "--diff-merges",
an effort to generalize things in a related area.