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From: Junio C Hamano <gitster@pobox.com>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: Stefan Beller <stefanbeller@googlemail.com>,
	schlotter@users.sourceforge.net, Ralf.Wildenhues@gmx.de,
	git@vger.kernel.org
Subject: Re: [PATCH] git clone depth of 0 not possible.
Date: Tue, 08 Jan 2013 00:19:51 -0800	[thread overview]
Message-ID: <7vobh0f5nc.fsf@alter.siamese.dyndns.org> (raw)
In-Reply-To: <7vd2xggm8a.fsf@alter.siamese.dyndns.org> (Junio C. Hamano's message of "Mon, 07 Jan 2013 23:36:21 -0800")

Junio C Hamano <gitster@pobox.com> writes:

> I think we need a protocol update to fix this; instead of sending
> "Now I want your tips and N commits behind it, please update my
> shallow bottom accordingly", which creates the above by giving you Z
> and 3 generations back and updates your cut-off point to W, the
> receiving end should be able to ask "I have a shallow history that
> cuts off at these commits. I want to get the history leading up to
> your tips, and also deepen the history further back from my current
> cut-off points by N commits", so that you would instead end up with
> something like this:
>
>  (you)
>      o---o---o---A---B---C---D---E---F---...---W---X---Y---Z
>
> That is, truly "deepen my history by 3".  We could call that "git
> fetch --deepen=3" or something.

I take that back.  If you start from

>  (upstream)
>   ---o---o---o---A---B
>
>  (you)
>                  A---B

and you are interested in peeking the history a bit deeper, you
should be able to ask "I have a shallow history that cuts off at
these commits. I want my history deepened by N commits.  I do not
care where your current tips are, by the way." with

    git fetch --deepen=3 

and end up with

>  (you)
>      o---o---o---A---B

without getting the new history leading to the updated tip at the
upstream.  If you want the new history leading to the updated tip,
you can just say:

    git fetch

without any --depth nor --deepen option to end up with:

>  (you)
>                  A---B---C---D---E---F---...---W---X---Y---Z

instead.

  reply	other threads:[~2013-01-08  8:21 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-07 18:06 Stefan Beller
2013-01-07 18:06 ` [PATCH] Documentation on depth option in git clone Stefan Beller
2013-01-08  6:28 ` [PATCH] git clone depth of 0 not possible Jonathan Nieder
2013-01-08  6:54   ` Junio C Hamano
2013-01-08  7:36     ` Junio C Hamano
2013-01-08  8:19       ` Junio C Hamano [this message]
2013-01-08 14:28       ` Duy Nguyen
2013-01-08 14:32         ` Stefan Beller
2013-01-08 14:45           ` Duy Nguyen
2013-01-08 17:24           ` Junio C Hamano
2013-01-08  7:38     ` Duy Nguyen
2013-01-08  8:05       ` Junio C Hamano
2013-05-28  9:18         ` Matthijs Kooijman
2013-05-28 16:28           ` Jonathan Nieder
2013-05-28 16:31             ` Jonathan Nieder
2013-05-28 16:34             ` Matthijs Kooijman
2013-05-28 16:58               ` Jonathan Nieder
2013-05-28 17:04           ` Junio C Hamano
2013-05-30  8:23             ` Matthijs Kooijman
2013-06-02 19:14               ` Junio C Hamano
2013-07-09 13:35             ` Matthijs Kooijman
2013-07-11 10:57               ` Matthijs Kooijman
2013-07-11 11:25                 ` [PATCH 1/3] upload-pack: Remove a piece of dead code Matthijs Kooijman
2013-07-11 11:25                   ` [PATCH 2/3] upload-pack: Introduce new "fixed-off-by-one-depth" server feature Matthijs Kooijman
2013-07-11 11:25                   ` [PATCH 3/3] fetch-pack: Request fixed-off-by-one-depth when available Matthijs Kooijman
2013-07-11 12:08                   ` [PATCH 1/3] upload-pack: Remove a piece of dead code Duy Nguyen
2013-07-11 15:49                     ` Junio C Hamano
2013-01-08  7:33 ` [PATCH] git clone depth of 0 not possible Duy Nguyen
2013-01-08  7:37   ` Junio C Hamano

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