From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Tue, 12 Jun 2007 17:28:19 GMT
Subject: Re: [PATCH] Introduce light weight commit annotations
Message-ID: <Pine.LNX.4.64.0706121825460.4059@racer.site>
In-Reply-To: <7v4plf5qxp.fsf@assigned-by-dhcp.cox.net>

Hi,

On Sun, 10 Jun 2007, Junio C Hamano wrote:

> With the normal tree parser, the lookup for 
> "refs/annotations/commit:??/?{38}" you have in your code would open one 
> tree (the commit's tree), find the one with leading 2 hexdigits you 
> would want among up to 256 entries with linear search (see 
> tree-walk.c::find_tree_entry()), open that entry which is another tree, 
> and do the same linear search to find the entry with the remaining 38 
> hexdigits.  Finding annotation for commit 0000abcd... is much less 
> expensive than ffff4567...

Okay, I did not find a proper solution. commit->file name via "s/../&\//g" 
is too ugly. But then, I really hope that packv4 becomes unvapourware at 
some stage (for other reasons), and that _should_ help these issues.

Hmm.

Ciao,
Dscho