From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: git grep '(' = segfault
Date: Mon, 27 Apr 2009 16:18:12 -0700
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Cc: Matthieu Moy <Matthieu.Moy@imag.fr>,
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To: Erik Faye-Lund <kusmabite@googlemail.com>
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In-Reply-To: <40aa078e0904271202ye89ebf2wf417c623d8fe5689@mail.gmail.com>
 (Erik Faye-Lund's message of "Mon, 27 Apr 2009 21:02:31 +0200")
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Erik Faye-Lund <kusmabite@googlemail.com> writes:

> Yeah, thanks for explaining. But isn't this functionality kind of
> redundant since we have the -E switch?
> As far as I can see, "git grep -E "(bar|boz)" should do the same thing
> as "git grep -e foo --and '(' -e bar --or -e boz ')'"...

With -E, --or is not strictly necessary.

With only -E, however, it is cumbersome to express what --and can.  Once
you learn the handiness of --and, naturally you would start wanting to
be able to say --or (especially if you do not even know about -E).