From: David Kastrup <dak@gnu.org>
Date: Wed, 12 Mar 2014 20:37:41 GMT
Subject: Re: New GSoC microproject ideas
Message-ID: <87siqni25m.fsf@fencepost.gnu.org>
In-Reply-To: <20140312192108.GA1601@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> On Wed, Mar 12, 2014 at 08:16:53PM +0100, David Kastrup wrote:
>
>> Junio C Hamano <gitster@pobox.com> writes:
>> 
>> > Here is another, as I seem to have managed to kill another one ;-)
>> >
>> > -- >8 --
>> >
>> > "VAR=VAL command" is sufficient to run 'command' with environment
>> > variable VAR set to value VAL without affecting the environment of
>> > the shell itself, but we cannot do the same with a shell function
>> > (most notably, "test_must_fail");
>> 
>> No? bash:
>> 
>> dak@lola:/usr/local/tmp/lilypond$ zippo()
>> > {
>> > echo $XXX
>> > echo $XXX
>> > }
>> dak@lola:/usr/local/tmp/lilypond$ XXX=8 zippo
>> 8
>> 8
>
> Try:
>
>   zippo() {
>     echo $XXX
>   }
>   XXX=8 zippo
>   zippo
>
> XXX remains set after the first call under dash (but not bash). I
> believe "ash" has the same behavior.

Yes.  I would lean towards considering this a bug.  But I agree that it
does not help.

-- 
David Kastrup