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List:       postgresql-general
Subject:    Re: [HACKERS] Hacking on PostgreSQL via GIT
From:       "Florian G. Pflug" <fgp () phlo ! org>
Date:       2007-04-30 13:18:37
Message-ID: 4635ECAD.8070806 () phlo ! org
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Aidan Van Dyk wrote:
> * Florian G. Pflug <fgp@phlo.org> [070430 08:58]:
>  
>> It seems as if git pulls all revisions of all files during the pull -
>> which it shouldn't do as far as I understand things - it should only
>> pull those objects referenced by some head, no?
> 
> Git pulls full history to a common ancestor on the clone/pull.   So the
> first pull on a repo *will* necessarily pull in the full object history.
> So unless you have a recent common ancestor, it will pull lots.  Note
> that because git uses crypto hashes to identify objects, my conversion
> and Martin's probably do not have a recent common ancestor (because my
> header munging probably doesn't match Martin's exactly).
Ah, OK - that explains things.

>> The interesting thing is that exactly the same problem occurs with
>> both if your mirrors...
>>
>> Any ideas? Or is this just how things are supposed to work?
> 
> Until you have a local repository of it, you'll need to go through the
> full pull/clone.  If you're really not interested in history you can
> "truncate" history with the --depth option to git clone.  That will give
> you a "shallow repository", which you can use, develop, branch, etc in,
> but won't give you all the history locally.
I'll retry with the "--depth" option - I'm doing development on my powerbook,
and OSX seems to cope badly with lots of little files - the initial unpacking
took hours - literally..

> Also - what version of GIT are you using?  I *really* recommend using at
> least 1.5 (1.5.2.X is current stable).  Please, do your self a favour,
> and don't use 1.4.4.
I'm using 1.5.0  currently - it was the latest stable release when I began
to experiment with git.

greetings, Florian Pflug

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