Date: Wed, 13 Apr 2005 01:48:02 +0200
To: David Eger <eger@havoc.gtf.org>
Cc: Linus Torvalds <torvalds@osdl.org>, Petr Baudis <pasky@ucw.cz>,
       "Randy.Dunlap" <rddunlap@osdl.org>,
       Ross Vandegrift <ross@jose.lug.udel.edu>,
       Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Re: more git updates..
Message-ID: <20050412234802.GA13112@lumumba.luc.ac.be>
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From: takis@lumumba.luc.ac.be (Panagiotis Issaris)
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Hi David,

On Tue, Apr 12, 2005 at 06:36:23PM -0400, David Eger wrote:
> > No. A tree is not the full data. A tree contains enough information
> > to 
> > _recreate_ the full data, but the tree itself just tells you _how_
> > to do 
> > that. It doesn't contain very much of the data itself at all.
> 
> Perhaps I'd understand this if you tell me what "recreate" means.
> If a have a SHA1 hash of a file, and I have the file, I can verify
> that said
> file has the SHA1 hash it's supposed to have, but I can't generate the
> file
> from it's hash...

But, but if you have that hexified SHA1 hash of a particular file you
want to access, there would be a file with a filename equal to that
hexified SHA1 hash which contained the compressed contents of the file
you're looking for.

At least, that's how I understood it...

With friendly regards,
Takis

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