From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: git-diff-tree rename detection for single file
Date: Tue, 18 Oct 2005 13:50:54 -0700
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To: David Ho <davidkwho@gmail.com>
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	(David Ho's message of "Tue, 18 Oct 2005 15:56:06 -0400")
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David Ho <davidkwho@gmail.com> writes:

> I have a small suggestion to make the diff of a renamed file a bit
> more meaningful.  I have a file that is renamed-edited and commited. 
> git-diff-tree -M -p <commit> shows one result and git-diff-tree -M -p
> <commit> <filename> shows another.  If they both show a rename
> occurred then I think the single file git-diff-tree will be more
> useful.

Sorry, this has vetoed by Linus long time ago.  The <filename>
restricts the paths being passed to the diff machinery upfront,
so once you say <filename>, the rename detection will see only
that path and nothing else to compare and guess which other file
that file in question is a copy of.