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a966dcdb69
Update to latest gnulib with new copyright year. Run "make update-copyright" and then... * gnulib: Update included in this commit as copyright years are the only change from the previous gnulib commit. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Manually update copyright year, until we fully sync with gnulib at a later stage. * tests/sample-test: Adjust to use the single most recent year.
75 lines
2.6 KiB
Bash
Executable File
75 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# Show fts fails on old-fashioned systems.
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# Copyright (C) 2006-2024 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Show that fts (hence du, chmod, chgrp, chown) fails when all of the
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# following are true:
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# - '.' is not readable
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# - operating on a hierarchy containing a relative name longer than PATH_MAX
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# - run on a system where gnulib's openat emulation must resort to using
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# save_cwd and restore_cwd (which fail if '.' is not readable).
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# Thus, the following du invocation should succeed on newer Linux and
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# Solaris systems, yet it must fail on systems lacking both openat and
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# /proc support. However, before coreutils-6.0 this test would fail even
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# on Linux+PROC_FS systems because its fts implementation would revert
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# unnecessarily to using FTS_NOCHDIR mode in this corner case.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ du
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require_perl_
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# ecryptfs for example uses some of the file name space
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# for encrypting filenames, so we must check dynamically.
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name_max=$(stat -f -c %l .)
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test "$name_max" -ge '200' || skip_ "NAME_MAX=$name_max is not sufficient"
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proc_file=/proc/self/fd
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if test ! -d $proc_file; then
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skip_ 'This test would fail, since your system lacks /proc support.'
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fi
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dir=$(printf '%200s\n' ' '|tr ' ' x)
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# Construct a hierarchy containing a relative file with a name
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# longer than PATH_MAX.
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# for i in $(seq 52); do
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# mkdir $dir || framework_failure_
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# cd $dir || framework_failure_
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# done
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# cd $tmp || framework_failure_
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# Sheesh. Bash 3.1.5 can't create this hierarchy. I get
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# cd: error retrieving current directory: getcwd:
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# cannot access parent directories:
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# (all on one line).
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cwd=$(pwd)
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# Use perl instead:
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$PERL \
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-e 'my $d = '$dir'; foreach my $i (1..52)' \
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-e ' { mkdir ($d, 0700) && chdir $d or die "$!" }' \
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|| framework_failure_
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mkdir inaccessible || framework_failure_
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cd inaccessible || framework_failure_
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chmod 0 . || framework_failure_
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du -s "$cwd/$dir" > /dev/null || fail=1
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Exit $fail
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