From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: [RFC/PATCH 04/11] ref-filter: add 'ifexists' atom
Date: Wed, 29 Jul 2015 11:56:18 -0700
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Cc: Git <git@vger.kernel.org>,
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To: Karthik Nayak <karthik.188@gmail.com>
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In-Reply-To: <xmqqy4hy973q.fsf@gitster.dls.corp.google.com> (Junio C. Hamano's
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Junio C Hamano <gitster@pobox.com> writes:

>> Couldn't think of a better replacer, any suggestions would be welcome :)
>
> See below.
> ...
> One way to do all of the above is ...

Note that is just "one way", not the only or not necessarily the
best.  It certainly is not the easiest, I think.

    %(if:atom)...%(endif)

might be easier to implement.