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#!/bin/sh
# Verify that id [-G] prints the right group when run set-GID.
# Copyright (C) 2012-2022 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ id
require_root_
getlimits_
# Construct a different group number
gp1=$NON_ROOT_GID
gp1=$(expr $gp1 + 1) || framework_failure_
test "$gp1" -lt $GID_T_MAX ||
skip_ "GID $gp1 is reserved on some systems"
echo $gp1 > exp || framework_failure_
# With coreutils-8.16 and earlier, id -G would print both:
# $gp1 $NON_ROOT_GID
chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
env PATH="$PATH" id -G > out || fail=1
compare exp out || fail=1
# With coreutils-8.22 and earlier, id would erroneously print
# groups=$NON_ROOT_GID
chroot --skip-chdir --user=$NON_ROOT_USERNAME:+$gp1 --groups='' / \
env PATH="$PATH" id > out || fail=1
grep -F "groups=$gp1" out || { cat out; fail=1; }
Exit $fail
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