linux-kernel - Re: Question about your git habits

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Message-ID: <998d0e4a0802230536w74e93ec3s40c77d52b183a419@mail.gmail.com>
Date:	Sat, 23 Feb 2008 14:36:59 +0100
From:	"J.C. Pizarro" <jcpiza@...il.com>
To:	"Charles Bailey" <charles@...hpling.org>,
	LKML <linux-kernel@...r.kernel.org>, git@...r.kernel.org
Subject: Re: Question about your git habits

On 2008/2/23, Charles Bailey <charles@...hpling.org> wrote:
> On Sat, Feb 23, 2008 at 02:08:35PM +0100, J.C. Pizarro wrote:
>  >
>  > But if the repos are aggressively repacked then the bit to bit differences
>  > are not ~2 MiB.
>
>
> It shouldn't matter how aggressively the repositories are packed or what
>  the binary differences are between the pack files are. git clone
>  should (with the --reference option) generate a new pack for you with
>  only the missing objects. If these objects are ~52 MiB then a lot has
>  been committed to the repository, but you're not going to be able to
>  get around a big download any other way.

You're wrong, nothing has to be commited ~52 MiB to the repository.

I'm not saying "commit", i'm saying

"Assume A & B binary git repos and delta_B-A another binary file, i
request built
B' = A + delta_B-A where is verified SHA1(B') = SHA1(B) for avoiding
corrupting".

Assume B is the higher repacked version of "A + minor commits of the day"
as if B was optimizing 24 hours more the minimum spanning tree. Wow!!!
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