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From: Andreas Gal <gal@uci.edu>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>, git@vger.kernel.org
Subject: Re: git and symlinks as tracked content
Date: Tue, 3 May 2005 12:57:51 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.58.0505031255000.30768@sam.ics.uci.edu> (raw)
In-Reply-To: <Pine.LNX.4.58.0505031151240.26698@ppc970.osdl.org>


>  - S_IFCHR/S_IFBLK (0020000 or 0060000), with the 20-byte SHA1 not being a 
>    SHA1 at all, but just the major:minor numbers in some nice binary 
>    encoding. Probably: two network byte order 32-bit values, with twelve 
>    bytes of some non-zero signature (the SHA1 of all zeroes should be 
>    avoided, so the signature really should be soemthing else than just 
>    twelve bytes of zero).

Yuck. Thats really ugly. Right now all files have a uniform touch to them. 
For every hash you can locate the file, determine its type/tag, unpack it, 
and check the SHA1 hash. The proposal above breaks all that. Why not just 
introduce a new object type "dev" and put major minor in there. It 
will still always hash to the same SHA1 hash value, but fits much better in the 
overall design. 

Andreas

  parent reply	other threads:[~2005-05-03 19:53 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-03 18:33 git and symlinks as tracked content Kay Sievers
2005-05-03 19:02 ` Linus Torvalds
2005-05-03 19:10   ` Morten Welinder
2005-05-03 19:50   ` H. Peter Anvin
2005-05-03 19:57   ` Andreas Gal [this message]
2005-05-03 20:05     ` Linus Torvalds
2005-05-03 20:09       ` Kay Sievers
2005-05-03 21:30       ` Junio C Hamano
2005-05-03 21:51         ` Andreas Gal
2005-05-03 22:44           ` Junio C Hamano
2005-05-04  0:39             ` Sym-links, b/c-special files, pipes, ... Scope Creep Brian O'Mahoney
2005-05-03 22:56         ` git and symlinks as tracked content H. Peter Anvin
2005-05-03 23:16           ` Junio C Hamano
2005-05-03 23:18             ` H. Peter Anvin
2005-05-03 23:42               ` Linus Torvalds
2005-05-03 23:42               ` Junio C Hamano
2005-05-04 15:48           ` David A. Wheeler
2005-05-04 23:03             ` Daniel Barkalow
2005-05-05  6:09               ` Alan Chandler
2005-05-05  9:51                 ` read-only git repositories David Lang
2005-05-05 12:39                   ` Sean
2005-05-06  3:01                   ` read-only git repositories (ancient history) David A. Wheeler
2005-05-05 21:23                 ` git and symlinks as tracked content Daniel Barkalow
2005-05-03 20:23   ` Junio C Hamano
2005-05-04 22:35   ` Kay Sievers
2005-05-04 23:16     ` Junio C Hamano
2005-05-05  1:20       ` Kay Sievers
2005-05-05  2:13         ` Junio C Hamano
2005-05-05 12:38           ` Kay Sievers

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