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From: Jakub Narebski <>
Subject: Re: Exact format of tree objets
Date: Wed, 12 Jun 2013 14:06:24 +0000 (UTC)	[thread overview]
Message-ID: <> (raw)

Junio C Hamano <gitster <at>> writes:
> Chico Sokol <chico.sokol <at>> writes:
> > Is there any official documentation of tree objets format? Are tree
> > objects encoded specially in some way? How can I parse the inflated
> > contents of a tree object?
> >
> > We're suspecting that there is some kind of special format or
> > encoding, because the command "git cat-file -p <sha>" show me ...
> > While "git cat-file tree <sha>" generate ...
> "cat-file -p" is meant to be human-readable form.  The latter gives
> the exact byte contents read_sha1_file() sees, which is a binary
> format.  Essentially, it is a sequence of:
>  - mode of the entry encoded in octal, without any leading '0' pad;
>  - pathname component of the entry, terminated with NUL;
>  - 20-byte SHA-1 object name.

I always wondered why this is the sole object format where SHA-1 is in 20-
byte binary format and not 40-chars hexadecimal string format...

Jakub Narębski

  reply	other threads:[~2013-06-12 14:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-11 16:25 Exact format of tree objets Chico Sokol
2013-06-11 18:26 ` Ilari Liusvaara
2013-06-18 15:15   ` Chico Sokol
2013-06-18 17:47     ` Thomas Rast
2013-06-11 18:38 ` Junio C Hamano
2013-06-12 14:06   ` Jakub Narebski [this message]
2013-06-18 13:53     ` Chico Sokol

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