Re: [Buildroot] [PATCH 1/1] fs/common.mk: use find instead of shell glob patterns

[Mat via buildroot <buildroot@buildroot.org>]

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On Thu, Mar 10, 2022 at 10:45:41AM +0000, David Laight wrote:
> From: Mathieu Mirmont
> > Sent: 10 March 2022 10:18
> > 
> > Different shells can have different behaviours when it comes to
> > globbing patterns. The dash shell (/bin/sh) on Debian testing switched
> > to a different fnmatch/glob implementation that results in this new
> > behaviour:
> > 
> > Using bash:
> > $ mkdir /tmp/foo
> > $ echo /tmp/foo/.[^.]*
> > /tmp/foo/.[^.]*
> > 
> > Using dash:
> > $ mkdir /tmp/foo
> > $ echo /tmp/foo/.[^.]*
> > /tmp/foo/..
> 
> That is just broken.
> Does the [^x] pattern work at all?
>
> Raise a bug on 'Debian testing' hopefully they'll
> fix it before it actually gets released anywhere.

The new behaviour of dash is very strange indeed, but also according
to POSIX the wildcard pattern [^x] is undefined so we should not rely
on it.

-- 
Mat <mat@parad0x.org>

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