1#!/bin/sh
2# Verify that id [-G] prints the right group when run set-GID.
3
4# Copyright (C) 2012-2023 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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ id
21require_root_
22
23getlimits_
24
25# Construct a different group number
26gp1=$NON_ROOT_GID
27gp1=$(expr $gp1 + 1) || framework_failure_
28
29test "$gp1" -lt $GID_T_MAX ||
30  skip_ "GID $gp1 is reserved on some systems"
31
32echo $gp1 > exp || framework_failure_
33
34# With coreutils-8.16 and earlier, id -G would print both:
35#  $gp1 $NON_ROOT_GID
36chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
37  env PATH="$PATH" id -G > out || fail=1
38compare exp out || fail=1
39
40# With coreutils-8.22 and earlier, id would erroneously print
41#  groups=$NON_ROOT_GID
42chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
43  env PATH="$PATH" id > out || fail=1
44grep -F "groups=$gp1" out || { cat out; fail=1; }
45
46Exit $fail
47