From: Johannes Sixt <j6t@kdbg.org>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 7/7] push: document --lockref
Date: Thu, 11 Jul 2013 23:10:46 +0200 [thread overview]
Message-ID: <51DF1F56.9000705@kdbg.org> (raw)
In-Reply-To: <7vvc4jtjqa.fsf@alter.siamese.dyndns.org>
Am 10.07.2013 01:08, schrieb Junio C Hamano:
> Junio C Hamano <gitster@pobox.com> writes:
>
>> I _think_ I am OK if we introduced "--allow-no-ff" that means the
>> current "--force" (i.e. "rewinding is OK"), that does not defeat the
>> "--lockref" safety. That is the intended application (you know that
>> push does not fast-forward because you rebased, but you also want to
>> make sure there is nothing you are losing by enforcing --lockref
>> safety).
>>
>> If that is what happens, then I think "--force" that means "anything
>> goes" makes sense.
>
> Or perhaps you were implicitly assuming that "--lockref" would
> automatically mean "I know I am rewinding, so as soon as I say
> --lockref, I mean --allow-no-ff", and I did not realize that.
That's what I mean, sort of. Because of your 4 cases of a ref update, I
do not think that
> 3. The update fast-forwards, but the ref to be updated is not at the
> expected place; or
is important to consider. The point of --lockref is to avoid data loss,
but if the push is fast-forward, there is no data loss.
> If that is the semantics you are proposing, then I think it makes
> sense to make "--force" the big red button that lets anything go.
>
> I was considering "--lockref" to be orthogonal to the traditional
> "ff only check", and rejecting a push when the updated ref's current
> value is expected (i.e. --lockref satisfied) but the update does not
> fast-forward, and that was where my resistance to allow "--force" to
> override "--lockref" comes from (because otherwise there is no way
> to say "I know I want to bypass 'ff-only' check, but instead make
> sure the current value is this").
Again: Why not just define +refspec as the way to achieve this check?
-- Hannes
next prev parent reply other threads:[~2013-07-11 21:11 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 20:57 [RFD] Making "git push [--force/--delete]" safer? Junio C Hamano
2013-07-02 22:55 ` Johan Herland
2013-07-03 6:34 ` Johan Herland
2013-07-03 8:49 ` Junio C Hamano
2013-07-03 10:00 ` Johan Herland
2013-07-03 10:06 ` Jonathan del Strother
2013-07-03 10:11 ` Johan Herland
2013-07-03 10:50 ` Michael Haggerty
2013-07-03 12:06 ` Johannes Sixt
2013-07-03 19:53 ` Junio C Hamano
2013-07-04 5:37 ` Johannes Sixt
2013-07-04 5:46 ` Junio C Hamano
2013-07-03 19:50 ` Junio C Hamano
2013-07-03 20:18 ` Junio C Hamano
2013-07-03 19:48 ` Junio C Hamano
2013-07-09 19:53 ` [PATCH 0/7] safer "push --force" with compare-and-swap Junio C Hamano
2013-07-09 19:53 ` [PATCH 1/7] cache.h: move remote/connect API out of it Junio C Hamano
2013-07-09 19:53 ` [PATCH 2/7] builtin/push.c: use OPT_BOOL, not OPT_BOOLEAN Junio C Hamano
2013-07-09 19:53 ` [PATCH 3/7] push: beginning of compare-and-swap "force/delete safety" Junio C Hamano
2013-07-09 19:53 ` [PATCH 4/7] remote.c: add command line option parser for --lockref Junio C Hamano
2013-07-16 22:13 ` John Keeping
2013-07-17 17:06 ` Junio C Hamano
2013-07-17 17:09 ` Junio C Hamano
2013-07-09 19:53 ` [PATCH 5/7] push --lockref: implement logic to populate old_sha1_expect[] Junio C Hamano
2013-07-09 19:53 ` [PATCH 6/7] t5533: test "push --lockref" Junio C Hamano
2013-07-09 19:53 ` [PATCH 7/7] push: document --lockref Junio C Hamano
2013-07-09 20:17 ` Aaron Schrab
2013-07-09 20:39 ` Junio C Hamano
2013-07-09 20:24 ` Johannes Sixt
2013-07-09 20:37 ` Junio C Hamano
2013-07-09 20:55 ` Johannes Sixt
2013-07-09 22:09 ` Junio C Hamano
2013-07-09 23:08 ` Junio C Hamano
2013-07-11 21:10 ` Johannes Sixt [this message]
2013-07-11 21:57 ` Junio C Hamano
2013-07-11 22:14 ` Junio C Hamano
2013-07-12 17:21 ` Johannes Sixt
2013-07-12 17:40 ` Junio C Hamano
2013-07-12 20:00 ` Johannes Sixt
2013-07-12 21:19 ` Junio C Hamano
2013-07-13 6:52 ` Johannes Sixt
2013-07-13 18:14 ` Junio C Hamano
2013-07-13 20:08 ` Junio C Hamano
2013-07-13 21:11 ` Johannes Sixt
2013-07-14 14:28 ` John Keeping
2013-07-13 20:17 ` Johannes Sixt
2013-07-14 19:17 ` Junio C Hamano
2013-07-14 20:21 ` Johannes Sixt
2013-07-14 20:34 ` Jonathan Nieder
2013-07-14 20:49 ` Jonathan Nieder
2013-07-14 20:59 ` Johannes Sixt
2013-07-14 21:28 ` Jonathan Nieder
2013-07-15 4:10 ` Junio C Hamano
2013-07-15 4:44 ` Jonathan Nieder
2013-07-15 15:37 ` Junio C Hamano
2013-07-15 20:30 ` Johannes Sixt
2013-07-15 3:50 ` Junio C Hamano
2013-07-15 15:47 ` Default expectation of --lockref Junio C Hamano
2013-07-15 20:27 ` [PATCH 7/7] push: document --lockref Johannes Sixt
2013-07-09 21:37 ` Marc Branchaud
2013-07-09 20:27 ` Michael Haggerty
2013-07-09 20:42 ` Junio C Hamano
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