From: Luke Kenneth Casson Leighton <luke.leighton@gmail.com>
Date: Tue, 31 Aug 2010 23:22:57 GMT
Subject: Re: format of git pack objects
Message-ID: <AANLkTikKavvRb-f0UFF6npQyuPaDHfxEnUFoqNCZNoZ5@mail.gmail.com>
In-Reply-To: <20100831231947.GH32601@spearce.org>

On Wed, Sep 1, 2010 at 12:19 AM, Shawn O. Pearce <spearce@spearce.org> wrote:
> Luke Kenneth Casson Leighton <luke.leighton@gmail.com> wrote:
>> where can i get information (specifications) on the format of git
>> pack-objects... please don't say "look at the source code" unless
>> there simply doesn't exist any format specifications.  as part of the
>> git p2p bittorrent vfs layer stuff, a "file save" operation doesn't
>> "happen by magic": i need to actually verify the pack objects
>> received: count the number of entries?  or do i?
>
> Its in the Documentation/technical subdirectory of git.git[1].
> Look at pack-format.txt.

 star!  thank you.

> Its rather sparse though.

 good enough.

 .... ahh... ah ha!

  - The file is concluded with a trailer:

    A copy of the 20-byte SHA1 checksum at the end of
    corresponding packfile.

    20-byte SHA1-checksum of all of the above.

 i believe that will suffice.