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From: "Jakub Narębski" <jnareb@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git <git@vger.kernel.org>,
	Abhishek Kumar <abhishekkumar8222@gmail.com>,
	Derrick Stolee <stolee@gmail.com>, Taylor Blau <me@ttaylorr.com>
Subject: Re: What's cooking in git.git (Sep 2020, #03; Wed, 9)
Date: Tue, 15 Sep 2020 23:25:16 +0200
Message-ID: <CANQwDwc3-n4X16F1Xuf-y-yLeXoGRTeT5c=kVVFXH1E6P=ZEqA@mail.gmail.com> (raw)
In-Reply-To: <xmqqimcezqs5.fsf@gitster.c.googlers.com>

On Tue, 15 Sep 2020 at 23:14, Junio C Hamano <gitster@pobox.com> wrote:
> jnareb@gmail.com (Jakub Narębski) writes:
>
> > Those are patches that are part of GSoC project of Shourya Shukla:
> > 'Convert submodule to builtin'.
> > ...
> > Those are patches that are part of GSoC project of Hariom Verma:
> > 'Unify ref-filter formats with other --pretty formats'
>
> Yes and yes.  What is your intention for highlighting that these two
> are GSoC originated projects, by the way?

It was to compare the final status (merged vs not merged) of all Git's
GSoC 2020 projects... in a bit clumsy way, I admit.

[...]
> > Because corrected commit date offsets are not monotone, that is after
> > value that doesn't fit in 32 bits (in parent) there can be one that does
> > (in child).  It is extremely unlikely that in real repositories there
> > would be that large corrections needed, but it can happen in theory, and
> > therefore we need some way to handle overflow if we choose this option.
> > And of course we should test that overflow handling works correctly.
>
> My gut feeling is that overflow handling needs to be there whether the
> field is 32-bit or 64-bit.

Not if the size on-disk is the same as the size in memory:
timestamp_t is usually 64 bit (and even unsigned 64 bit epoch
would be enough - its range is over twenty times the present
age of the universe per direction).

Best,
-- 
Jakub Narębski

  reply	other threads:[~2020-09-15 21:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-09 22:32 Junio C Hamano
2020-09-09 23:07 ` Eric Sunshine
2020-09-10  4:52   ` Junio C Hamano
2020-09-15 22:48     ` Eric Sunshine
2020-09-15 22:54       ` Junio C Hamano
2020-09-15 19:05 ` Jakub Narębski
2020-09-15 19:32   ` Taylor Blau
2020-09-15 21:14   ` Junio C Hamano
2020-09-15 21:25     ` Jakub Narębski [this message]
2020-09-15 21:45       ` Junio C Hamano
2020-09-15 21:48         ` Taylor Blau
2020-09-15 22:32           ` Junio C Hamano
2020-09-15 22:02         ` Jakub Narębski

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