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From:   Junio C Hamano <gitster@pobox.com>
To:     Jeff King <peff@peff.net>
Cc:     Duy Nguyen <pclouds@gmail.com>, Danny Sauer <danny@dannysauer.com>,
        Git Mailing List <git@vger.kernel.org>,
        Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: [PATCH] Make git log work for git CWD outside of work tree
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Date:   Sun, 16 Apr 2017 17:41:06 -0700
In-Reply-To: <20170413212909.eb7zrhs7rzk6nxl6@sigill.intra.peff.net> (Jeff
        King's message of "Thu, 13 Apr 2017 17:29:10 -0400")
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Jeff King <peff@peff.net> writes:

>> cwd with prefix. I was kinda hoping "super prefix" would solve it, but
>> that one seems designed specifically for submodules.
>
> Ah, right. I think the issue is that "prefix" really serves two uses.
> For things like command-line arguments, we use to find the original path
> after we've moved. But we also use it for "where in the working tree
> are we".
>
> So with an out-of-tree cwd, we'd want to set the first one to the real
> path ("../../whatever" or even just an absolute path), but the second
> one would probably be empty (i.e., just pretend that we started from the
> top-level).
>
> But that would require first refactoring all of the cmd_* functions to
> handle those prefixes separately.

Yes, I am still kinda hoping that the "super prefix" thing will
address the separation of the two uses, though.