Re: diff: --quiet does not imply --exit-code if --diff-filter is present

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Hi Jeff,

At Tue, 31 May 2011 11:33:56 -0400,
Jeff King wrote:
> 
> On Tue, May 31, 2011 at 07:34:39PM +0900, Yasushi SHOJI wrote:
> 
> > just noticed that quiet does not return exit code when I set
> > diff-filter.  at the current tip (v1.7.5.3-401-gfb674d7):
> > 
> >   git diff --quiet     --diff-filter=A v1.7.5 v1.7.5.1 -- t  #=> 0
> >   git diff --exit-code --diff-filter=A v1.7.5 v1.7.5.1 -- t  #=> 1
> > 
> > these two line returns different exit code.
> > 
> > is this a bug or a feature?
> 
> It's a bug.

your patch works like a charm.  Thanks.

> Commit 2cfe8a6 (diff --quiet: disable optimization when
> --diff-filter=X is used, 2011-03-16) fixes this in some
> cases by disabling the optimization when a filter is
> present. However, it only tweaked run_diff_files, missing
> the similar case in diff_tree. Thus the fix worked only for
> diffing the working tree and index, but not between trees.

oh, sorry about not realizing the commit 2cfe8a6.

regards,
-- 
           yashi
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