On Sun, Oct 22, 2006 at 10:48:26PM -0700, Russ Allbery wrote:
> I don't think using any non-POSIX feature should be a policy violation,
> probably. There are some that are in such widespread use and are
> supported by all shells that weren't written specifically as test suites
> that I think it's worthwhile making an exception for them. But using
> general bash features in /bin/sh scripts really do break real systems.
How about instead of speaking about POSIX, policy should just list the
shells that are officially supported as /bin/sh? There is no need
listing every shell, just a representative subset: bash (obviously),
dash (it's popular) and an other "minimalistic" shell (posh?) to prevent
allowing everything & the kitchen sink if dash starts to rapidly acquire
new features.
If a maintainer script does not work with a shell on the list -> serious
bug, if it does not work with some other shell -> wishlist bug.
Gabor
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MTA SZTAKI Computer and Automation Research Institute
Hungarian Academy of Sciences
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