Re: [bug-bash] Hidden directories breaks path expansions

[Dr. Werner Fink]

On Thu, Mar 07, 2019 at 03:42:49PM +0100, Dr. Werner Fink wrote:
> On Mon, Mar 04, 2019 at 09:00:38AM -0500, Chet Ramey wrote:
> > On 3/4/19 8:19 AM, werner@suse.de wrote:
> > 
> > > Bash Version: 5.0
> > > Patch Level: 2
> > > Release Status: release
> > > 
> > > Description:
> > >   Since patch bash50-001 there is a regession on path expansion.
> > >         The script example below shows:
> > > 
> > >         bash/bash> bash tmp/bug.sh
> > >   5.0.2(1)-release
> > >   drwxr-xr-x 2 nobody root 17 Mar  4 14:08 .
> > > 
> > >   bash/bash> /dist/unpacked/sle15-x86_64.full/bin/bash tmp/bug.sh
> > >   4.4.23(1)-release
> > >   -rw-r--r-- 1 nobody root 0 Mar  4 14:10 
> > > /tmp/bugthroughpatch001/hidden/foo/bar
> > > 
> > >   Disabling patch bash50-001 solves this problem but cause
> > >   other problems. It seems as seen by strace and ltrace that
> > >   the bash with patch bash50-001 now makes a stat(2) on every
> > >   single part of the path and run onto EACCES error which cause
> > >   the regression above.
> > 
> > http://lists.gnu.org/archive/html/bug-bash/2019-02/msg00151.html
> > 
> > There is a slightly updated version of that patch attached to this message.
> 
> OK ... the hidden directories do work now ... but in the test suite
> of sed the test case sed-4.7/testsuite/subst-mb-incomplete.sh with
> 
>  print_ver_ sed
> 
>  require_en_utf8_locale_
> 
>  echo > in || framework_failure_
>  printf '\233\375\200\n' > exp-out || framework_failure_
> 
>  LC_ALL=en_US.utf8 sed $(printf 's/^/\\L\233\375\\\200/') in > out 2> err
> 
>  compare exp-out out || fail=1
>  compare /dev/null err || fail=1
> 
>  Exit $fail
> 
> does fail (YaOB).

This is the resulting log file from the testsuite

--- exp-out     2019-03-07 16:29:24.554957850 +0000
+++ out 2019-03-07 16:29:24.558957897 +0000
@@ -1 +1 @@
-�375200
+L�375200
FAIL testsuite/subst-mb-incomplete.sh (exit status: 1)

-- 
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr

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