From: Junio C Hamano <gitster@pobox•com>
To: "René Scharfe" <l.s.r@web•de>
Cc: "Jeff King" <peff@peff•net>, "Ulrich Mueller" <ulm@gentoo•org>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail•com>,
"Git Mailing List" <git@vger•kernel.org>
Subject: Re: [PATCH] strbuf: let strbuf_addftime handle %z and %Z itself
Date: Mon, 12 Jun 2017 08:12:31 -0700 [thread overview]
Message-ID: <xmqq37b5qly8.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <662a84da-8a66-3a37-d9d2-4ff8b5f996c3@web.de> ("René Scharfe"'s message of "Sun, 11 Jun 2017 19:36:47 +0200")
René Scharfe <l.s.r@web•de> writes:
> Am 07.06.2017 um 10:17 schrieb Jeff King:
>> On Sat, Jun 03, 2017 at 12:40:34PM +0200, René Scharfe wrote:
>>> Duplicates strbuf_expand to a certain extent, but not too badly, I
>>> think. Leaves the door open for letting strftime handle the local
>>> case.
>>
>> I guess you'd plan to do that like this in the caller:
>>
>> if (date->local)
>> tz_name = NULL;
>> else
>> tz_name = "";
>>
>> and then your strftime() doesn't do any %z expansion when tz_name is
>> NULL.
>
> Yes, or you could look up a time zone name somewhere else -- except we
> don't have a way to do that, at least for now.
Is that only "for now"? I have a feeling that it is fundamentally
impossible with the data we record. When GMTOFF 9:00 is the only
thing we have for a timestamp, can we tell if we should label it as
JST (aka Asia/Tokyo) or KST (aka Asia/Seoul)?
next prev parent reply other threads:[~2017-06-12 15:12 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-26 18:33 git-2.13.0: log --date=format:%z not working Ulrich Mueller
2017-05-27 16:57 ` Ævar Arnfjörð Bjarmason
2017-05-27 21:46 ` Jeff King
2017-05-28 10:29 ` Ævar Arnfjörð Bjarmason
2017-05-29 0:53 ` Junio C Hamano
2017-05-28 11:43 ` René Scharfe
2017-06-02 2:23 ` Junio C Hamano
2017-06-02 3:08 ` Jeff King
2017-06-02 17:25 ` René Scharfe
2017-06-02 18:35 ` Jeff King
2017-06-02 22:04 ` Ulrich Mueller
2017-06-02 22:30 ` Jeff King
2017-06-02 22:47 ` Ulrich Mueller
2017-06-02 22:51 ` Jeff King
2017-06-03 10:40 ` [PATCH] strbuf: let strbuf_addftime handle %z and %Z itself René Scharfe
2017-06-03 13:13 ` Ulrich Mueller
2017-06-03 16:20 ` René Scharfe
2017-06-07 8:17 ` Jeff King
2017-06-07 9:13 ` [PATCH] date: use localtime() for "-local" time formats Jeff King
2017-06-11 17:36 ` [PATCH] strbuf: let strbuf_addftime handle %z and %Z itself René Scharfe
2017-06-12 15:12 ` Junio C Hamano [this message]
2017-06-12 16:16 ` Ævar Arnfjörð Bjarmason
2017-06-12 16:56 ` Ulrich Mueller
2017-06-12 17:53 ` Ævar Arnfjörð Bjarmason
2017-06-12 18:15 ` Junio C Hamano
2017-06-12 18:20 ` Jeff King
2017-06-12 19:02 ` Ævar Arnfjörð Bjarmason
2017-06-12 21:10 ` Jeff King
2017-06-13 6:23 ` Linus Torvalds
2017-06-12 22:31 ` René Scharfe
2017-06-13 10:16 ` Ævar Arnfjörð Bjarmason
2017-06-13 10:31 ` Ulrich Mueller
2017-06-12 16:58 ` René Scharfe
2017-06-12 17:36 ` Jeff King
2017-06-15 8:46 ` [PATCH v2] " René Scharfe
2017-06-15 11:27 ` Ulrich Mueller
2017-06-15 12:28 ` René Scharfe
2017-06-15 12:29 ` [PATCH v3] " René Scharfe
2017-06-15 13:49 ` Jeff King
2017-06-15 13:51 ` [PATCH 1/2] t0006: check --date=format zone offsets Jeff King
2017-06-15 13:52 ` [PATCH 2/2] date: use localtime() for "-local" time formats Jeff King
2017-06-15 16:12 ` René Scharfe
2017-06-15 21:40 ` Junio C Hamano
2017-06-16 12:18 ` Jeff King
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