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From: Junio C Hamano <>
To: Jeff King <>
Subject: Re: [PATCH v2 5/7] diff: use skip-to-optional-val in parsing --relative
Date: Thu, 07 Dec 2017 14:31:38 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> (Jeff King's message of "Thu, 7 Dec 2017 17:21:43 -0500")

Jeff King <> writes:

> On Thu, Dec 07, 2017 at 01:59:39PM -0800, Junio C Hamano wrote:
>> Jeff King <> writes:
>> > On Thu, Dec 07, 2017 at 09:30:32AM -0800, Junio C Hamano wrote:
>> >
>> >> Signed-off-by: Junio C Hamano <>
>> >> ---
>> >
>> > It might be worth mentioning why this conversion is pulled out from the
>> > others (because its "default" case is "do not touch the pointer").
>> I am not sure what you mean by "pulled out from the others".  I did
>> not intend to keep these 3 additional patches permanently; rather, I
>> did them to help Christian's rerolling the series, and I do not think
>> this one should be separate from other ones that use the _default()
>> variant when that happens.
> Ah, I see. I had thought you meant these to be applied on top.

Ah, I do not particularly mind doing things incrementally, either.

If this goes on top as a standalone patch, then the reason why it is
separate from the other users of _default() is not because the way
it uses the null return is special, but because it was written by a
different author, I would think.  

The reason why _default() variant exists is because its callers want
to react differently to "--foo" from the way they react to "--foo="
(with an empty string as its value), and from that point of view,
this caller is not all that different from other ones, like the one
that parses --color-words Christian wrote in his initial round.

  reply	other threads:[~2017-12-07 22:31 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-07  0:35 [PATCH] diff: add test showing regression to --relative Jacob Keller
2017-12-07  1:04 ` Jeff King
2017-12-07  1:21   ` Jacob Keller
2017-12-07 17:30 ` [PATCH v2 0/7] reroll of cc/skip-to-optional-val Junio C Hamano
2017-12-07 17:30   ` [PATCH v2 5/7] diff: use skip-to-optional-val in parsing --relative Junio C Hamano
2017-12-07 19:03     ` Jacob Keller
2017-12-07 21:11     ` Jeff King
2017-12-07 21:59       ` Junio C Hamano
2017-12-07 22:21         ` Jeff King
2017-12-07 22:31           ` Junio C Hamano [this message]
2017-12-08  9:05             ` Jeff King
2017-12-08 21:09               ` Junio C Hamano
2017-12-07 17:30   ` [PATCH v2 6/7] t4045: reindent to make helpers readable Junio C Hamano
2017-12-07 17:30   ` [PATCH v2 7/7] t4045: test 'diff --relative' for real Junio C Hamano
2017-12-07 19:06     ` Jacob Keller

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