tests/chgrp/deref.sh

   1 #!/bin/sh
   2 # see if chgrp can change the group of a symlink
   3
   4 # Copyright (C) 2000-2023 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_ chgrp
  21 require_membership_in_two_groups_
  22
  23 set _ $groups; shift
  24 g1=$1
  25 g2=$2
  26
  27 touch f
  28 ln -s f symlink
  29
  30 chgrp -h $g2 symlink 2> /dev/null
  31 set _ $(ls -ln symlink)
  32 g=$5
  33 test "$g" = $g2 ||
  34   skip_ "your system doesn't support changing the owner or group" \
  35       "of a symbolic link."
  36
  37
  38 chgrp $g1 f
  39 set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
  40
  41 chgrp -h $g2 symlink || fail=1
  42 set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
  43 set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
  44
  45 # This should not change the group of f.
  46 chgrp -h $g2 symlink || fail=1
  47 set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
  48 set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
  49
  50 chgrp $g2 f
  51 set _ $(ls -ln f); g=$5; test "$g" = $g2 || fail=1
  52
  53 # This *should* change the group of f.
  54 # Though note that the diagnostic you'd get with -c is misleading in that
  55 # it says the 'group of 'symlink'' has been changed.
  56 chgrp --dereference $g1 symlink
  57 set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
  58 set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
  59
  60 Exit $fail