Re: [PATCH] annotate: Support annotation of files on other revisions.

> Shawn Pearce <spearce@spearce.org> writes:
> 
> > 	git-diff Makefile
> > 	git-diff HEAD Makefile
> >
> > ?  (Which is rather ugly as what if you have a tracked file actually
> > called HEAD and you want the first form when the commit-ish is
> > omitted.)  So accepting an optional commit-ish before the filename
> > would be in line with what git-diff accepts today.
> 
> The use of "start of filelist" marker "--" is optional when
> unambiguous, and that is why "git-diff Makefile" works.  To view
> the change you still haven't update-index'ed to the path called
> "HEAD", you would naturally say "git-diff -- HEAD"