Re: "git-diff-tree -R A B == git-diff-tree B A"?

From: Linus Torvalds <torvalds@osdl.org>
Date: May 20, 2005, 15:57 UTC
Message-ID: <Pine.LNX.4.58.0505200855120.2206@ppc970.osdl.org>
In-Reply-To: <Pine.LNX.4.58.0505200844090.2206@ppc970.osdl.org>

On Fri, 20 May 2005, Linus Torvalds wrote:

Show 7 quoted lines

>
> The only correct way to do name sorting is the one that fsck does in
> "verify_order()". To realize why, you need to realize that "A" (the
> directory) sorts _after_ a filename "A file", because '/' sorts after ' '.  
> 
> In contrast, "A" (the directory) sorts _before_ "ABBA" (the band), because
> '/' sorts before 'B'.

Btw, in case you wonder: the real problem is that we use "cache_name_compare()" on a directory name. The function is (as the name says) designed for full pathnames, not the diff-tree kind of possibly partial basenames.

		Linus