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From: Junio C Hamano <gitster@pobox.com>
To: "Jakub Narębski" <jnareb@gmail.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 14:45:51 -0700
Message-ID: <xmqqzh5qyar4.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <CANQwDwc3-n4X16F1Xuf-y-yLeXoGRTeT5c=kVVFXH1E6P=ZEqA@mail.gmail.com> ("Jakub =?utf-8?Q?Nar=C4=99bski=22's?= message of "Tue, 15 Sep 2020 23:25:16 +0200")

Jakub Narębski <jnareb@gmail.com> writes:


>> 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).

Yes, and "corrected commit dates" is about accommodating commits
with absurd out-of-sync timestamp mixed in a history with commits
with correct timestamp, right?  What happens if the absurd timestamp
is near the limit of the range?  You do not have to live through the
end of the universe---you only have to create a commit object that
records such a timestamp, no?


  reply index

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
2020-09-15 21:45       ` Junio C Hamano [this message]
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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