GNU bug report logs - #21027
--exclude-dir matches search dir

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Aron Griffis <aron <at> arongriffis.com>
Subject: bug#21027: closed (Re: bug#21027: --exclude-dir matches search dir)
Date: Mon, 13 Jul 2015 23:36:02 +0000

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Your bug report

#21027: --exclude-dir matches search dir

which was filed against the grep package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 21027 <at> debbugs.gnu.org.

-- 
21027: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21027
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Aron Griffis <aron <at> arongriffis.com>, 21027-done <at> debbugs.gnu.org
Subject: Re: bug#21027: --exclude-dir matches search dir
Date: Mon, 13 Jul 2015 16:35:19 -0700

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Aron Griffis wrote:
> This generates output:
>
> $ grep -rl --exclude-dir=usr LINUX /usr/include
>
> and this doesn't:
>
> $ grep -rl --exclude-dir='usr*' LINUX /usr/include
>
> This feels like a bug.

Thanks for reporting that.  I installed the attached patch.

[0001-grep-fix-bug-with-exclude-dir-and-command-line.patch (text/x-diff, attachment)]

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From: Aron Griffis <aron <at> arongriffis.com>
To: bug-grep <at> gnu.org
Subject: --exclude-dir matches search dir
Date: Thu, 9 Jul 2015 23:57:40 -0400

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This generates output:

$ grep -rl --exclude-dir=usr LINUX /usr/include

and this doesn't:

$ grep -rl --exclude-dir='usr*' LINUX /usr/include

This feels like a bug. My actual use-case is more like the following, but
the above seems like a more universal test case.

$ grep -rl --exclude-dir='.*' /home/aron/.virtualenvs/pp/src PATT

This surprised me by not generating any results. I had expected the
exclusion to only affect dirs within the given path, not match on the path
itself, but it seems to be aborting because '.*' matches '.virtualenvs'.
Is this a bug or just a bad assumption on my part?

$ grep --version
/usr/bin/grep (GNU grep) 2.21

Thanks,
Aron

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