tests/ls/dangle.sh

   1 #!/bin/sh
   2 # Make sure ls properly handles dangling symlinks vs. ls's -L, -H, options.
   3
   4 # Copyright (C) 2003-2024 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 LS_MINOR_PROBLEM=1
  23 LS_FAILURE=2
  24
  25 ln -s no-such-file dangle || framework_failure_
  26 mkdir -p dir/sub || framework_failure_
  27 ln -s dir slink-to-dir || framework_failure_
  28 mkdir d || framework_failure_
  29 ln -s no-such d/dangle || framework_failure_
  30 printf '? dangle\n' > subdir_Li_exp || framework_failure_
  31 printf 'total 0\n? dangle\n' > subdir_Ls_exp || framework_failure_
  32
  33 # This must exit nonzero.
  34 returns_ $LS_FAILURE ls -L dangle > /dev/null 2>&1 || fail=1
  35 # So must this.
  36 returns_ $LS_FAILURE ls -H dangle > /dev/null 2>&1 || fail=1
  37
  38 # This must exit successfully.
  39 ls dangle >> out || fail=1
  40
  41 ls slink-to-dir >> out 2>&1 || fail=1
  42 ls -H slink-to-dir >> out 2>&1 || fail=1
  43 ls -L slink-to-dir >> out 2>&1 || fail=1
  44
  45 cat <<\EOF > exp
  46 dangle
  47 sub
  48 sub
  49 sub
  50 EOF
  51
  52 compare exp out || fail=1
  53
  54 # Ensure that ls -Li prints "?" as the inode of a dangling symlink.
  55 rm -f out
  56 returns_ $LS_MINOR_PROBLEM ls -Li d > out 2>/dev/null || fail=1
  57 compare subdir_Li_exp out || fail=1
  58
  59 # Ensure that ls -Ls prints "?" as the allocation of a dangling symlink.
  60 rm -f out
  61 returns_ $LS_MINOR_PROBLEM ls -Ls d > out 2>/dev/null || fail=1
  62 compare subdir_Ls_exp out || fail=1
  63
  64 Exit $fail