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Re: [PATCH 0/5] more aggressive on ${a:-b}


From: Eric Blake
Subject: Re: [PATCH 0/5] more aggressive on ${a:-b}
Date: Fri, 27 Aug 2010 10:30:15 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.8) Gecko/20100806 Fedora/3.1.2-1.fc13 Mnenhy/0.8.3 Thunderbird/3.1.2

On 08/26/2010 11:27 AM, Ralf Wildenhues wrote:

   m4sh: assume ${a:-b} support

This one contains merge conflict markers, so cannot have been tested
in this spelling.  The tests in this one assume that unset works (I'm
not judging that, just stating that it's the case).

Thanks; I've fixed those merge markers, and redone my testing.

We've already proved that unset works for all shells that have functions, except for the corner case of using old bash to unset an undefined variable. If we can prove a variable is already set, using 'unset' is fine; if we can't, then using AS_UNSET is required.


If you (still) need somebody to test IRIX, OSF, Solaris 2.6, AIX, please
ping me.  I definitely would feel a bit less worried if these changes
were thoroughly tested before the next release.

I've gone ahead and pushed the remaining patch from this series, if you'd like to start widening the test exposure.

--
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org



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