From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 21 Jul 2011 16:22:32 GMT
Subject: Re: [RFC/PATCH] grep --no-index: allow to grep without git exclusions
Message-ID: <7v62mv4n93.fsf@alter.siamese.dyndns.org>
In-Reply-To: <CAKPyHN2TMu2yO4sZDAqCce9P-5==Z2jKQVoU=zUsmUQJhHoeQg@mail.gmail.com>

Bert Wesarg <bert.wesarg@googlemail.com> writes:

> It should be. But I think that unveils one of the shortcomings of the
> (any) option parser: You wont get notified when an option was given,
> regardless of its value. To handle the above I would have to use
> OPTION_CALLBACK to set an addition flag exc_given (like it is done in
> git-ls-files) and test against this.

Prepare a three-value variable, initialized to -1, set it to 0 on --no-foo
and set it to 1 on --foo. Use the default if the variable is still -1.