From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: Does git fast-import support deltas?
Date: Thu, 18 Apr 2013 23:13:23 -0700
Message-ID: <20130419061323.GB5055@elie.Belkin>
References: <323381594.20130414121834@gmail.com>
 <673219382.20130414124800@gmail.com>
 <20130414113351.GA1299@thyrsus.com>
 <1762779000.20130415215818@gmail.com>
 <20130418094326.GB11038@thyrsus.com>
 <1095757971.20130419092931@gmail.com>
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Cc: git@vger.kernel.org, "Eric S. Raymond" <esr@thyrsus.com>
To: Ilya Basin <basinilya@gmail.com>
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Hi Ilya,

Ilya Basin wrote:

> 1) a created a git repo from a foreign source using git fast-import
> 2) new commits were added to the foreign source
>
> Can I create a fast-import input stream not containing the commits
> already existing in my git repo and import it?

Yes, if the foreign source is structured in a way to make it easy.
Take a look at the --cat-blob-fd option, the "ls" and "cat-blob"
commands, and see svn-fe from contrib/svn-fe/ as an example.

Hope that helps,
Jonathan