tests/ls/symlink-loop.sh

   1 #!/bin/sh
   2 # Exercise ls symlink ELOOP handling
   3
   4 # Copyright (C) 2023-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ ls
  21
  22 ln -s loop loop || framework_failure_
  23 cat loop >/dev/null 2>&1 && skip_ 'symlink loops not detected'
  24
  25 # With coreutils <= 9.3 we would dereference symlinks on the command line
  26 # and thus fail to display a symlink that could not be traversed.
  27 ls loop || fail=1
  28 ls -l loop || fail=1
  29 ls -l --color=always loop || fail=1
  30
  31 # Ensure these still fail
  32 returns_ 2 ls -H loop || fail=1
  33 returns_ 2 ls -L loop || fail=1
  34
  35 Exit $fail