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
20print_ver_ chgrp
21require_membership_in_two_groups_
22
23set _ $groups; shift
24g1=$1
25g2=$2
26
27touch f
28ln -s f symlink
29
30chgrp -h $g2 symlink 2> /dev/null
31set _ $(ls -ln symlink)
32g=$5
33test "$g" = $g2 ||
34  skip_ "your system doesn't support changing the owner or group" \
35      "of a symbolic link."
36
37
38chgrp $g1 f
39set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
40
41chgrp -h $g2 symlink || fail=1
42set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
43set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
44
45# This should not change the group of f.
46chgrp -h $g2 symlink || fail=1
47set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
48set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
49
50chgrp $g2 f
51set _ $(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.
56chgrp --dereference $g1 symlink
57set _ $(ls -ln f); g=$5; test "$g" = $g1 || fail=1
58set _ $(ls -ln symlink); g=$5; test "$g" = $g2 || fail=1
59
60Exit $fail
61