From: Junio C Hamano <junkio@cox.net>
Date: Tue, 18 Oct 2005 20:50:54 GMT
Subject: Re: git-diff-tree rename detection for single file
Message-ID: <7vu0fepn0x.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <4dd15d180510181256i1c5a82d9ld62acaedb493cf71@mail.gmail.com>

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.