Re: grep-3.8.35-c860 on Alpine Linux

[Jim Meyering]

On Fri, Mar 3, 2023 at 6:16 AM Bruno Haible <bruno@clisp.org> wrote:
> Jim Meyering wrote:
> > it appears to be due to a bug in their version of tr.
> > Here's a snippet from your log:
> >
> > + tr -cs 0-9 '[ *]'
> > + LC_ALL=C env -- tr -cs 0-9 '[ *]'
> > + LC_ALL=cs_CZ.UTF-8 grep -F -f cspatfile csinput
> > + echo ]11]12]13]14]15]16]17]18]
> > + test1=]11]12]13]14]15]16]17]18]
> > + test ]11]12]13]14]15]16]17]18] '!=' '11 12 13 14 15 16 17 18'
> > + echo 'Test #1 F failed: ]11]12]13]14]15]16]17]18]'
> > Test #1 F failed: ]11]12]13]14]15]16]17]18]
> >
> > That corresponds to this code:
> >
> > test1=$(echo $(LC_ALL=$cz grep -${mode} -f cspatfile csinput |
> >                tr -cs '0-9' '[ *]'))
> > if test "$test1" != "11 12 13 14 15 16 17 18"; then
> >   echo "Test #1 ${mode} failed: $test1"
> >   failures=1
> > fi
> >
> > and the value of $test1 somehow has a "]" in each position where
> > normally we'd expect a space.
> > That suggests the tr filter malfunctioned.
>
> Indeed. I could narrow it down, eliminating the '-c' and '-s' options.
>
> $ echo abc | tr 'abcd' '[A*4]'
> [A*
>
> $ echo xyz | tr 'a-z' '[A*]'
> ]]]
>
> I've submitted a doc update for the Autoconf documentation:
> https://lists.gnu.org/archive/html/autoconf-patches/2023-03/msg00000.html
>
> > This failure does not block the release.
>
> But it can be easily fixed nevertheless.
>
> Proposed patch is attached. I verified that it works fine with coreutils and
> Alpine Linux.

Thanks for doing all that. I've applied your patch and updated to
latest from gnulib.