tests/chgrp/deref

   1 #!/bin/sh
   2 # see if chgrp can change the group of a symlink
   3
   4 # Copyright (C) 2000, 2004-2007 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 <http://www.gnu.org/licenses/>.
  18
  19 if test "$VERBOSE" = yes; then
  20   set -x
  21   chgrp --version
  22 fi
  23
  24 . $srcdir/../group-names
  25 . $srcdir/../test-lib.sh
  26
  27 set _ $groups; shift
  28 g1=$1
  29 g2=$2
  30
  31 touch f
  32 ln -s f symlink
  33
  34 chgrp -h $g2 symlink 2> /dev/null
  35 set _ `ls -ln symlink`
  36 g=$5
  37 test "$g" = $g2 || {
  38   cat <<EOF 1>&2
  39 $0: skipping this test; your system doesn't support changing
  40 the owner or group of a symbolic link.
  41 EOF
  42   (exit 77); exit 77
  43 }
  44
  45 fail=0
  46
  47 chgrp $g1 f
  48 set _ `ls -ln f`; g=$5; test "$g" = $g1 || fail=1
  49
  50 chgrp -h $g2 symlink || fail=1
  51 set _ `ls -ln f`; g=$5; test "$g" = $g1 || fail=1
  52 set _ `ls -ln symlink`; g=$5; test "$g" = $g2 || fail=1
  53
  54 # This should not change the group of f.
  55 chgrp -h $g2 symlink || fail=1
  56 set _ `ls -ln f`; g=$5; test "$g" = $g1 || fail=1
  57 set _ `ls -ln symlink`; g=$5; test "$g" = $g2 || fail=1
  58
  59 chgrp $g2 f
  60 set _ `ls -ln f`; g=$5; test "$g" = $g2 || fail=1
  61
  62 # This *should* change the group of f.
  63 # Though note that the diagnostic you'd get with -c is misleading in that
  64 # it says the `group of `symlink'' has been changed.
  65 chgrp --dereference $g1 symlink
  66 set _ `ls -ln f`; g=$5; test "$g" = $g1 || fail=1
  67 set _ `ls -ln symlink`; g=$5; test "$g" = $g2 || fail=1
  68
  69 (exit $fail); exit $fail