1#!/bin/sh 2# show that the following no longer makes ls infloop 3# mkdir loop; cd loop; ln -s ../loop sub; ls -RL 4# Also ensure ls exits with status = 2 in that case. 5# Copyright (C) 2001-2023 Free Software Foundation, Inc. 6 7# This program is free software: you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation, either version 3 of the License, or 10# (at your option) any later version. 11 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <https://www.gnu.org/licenses/>. 19 20. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 21print_ver_ ls 22 23mkdir loop || framework_failure_ 24ln -s ../loop loop/sub || framework_failure_ 25 26cat <<\EOF > exp-out || framework_failure_ 27loop: 28sub 29EOF 30 31cat <<\EOF > exp-err || framework_failure_ 32ls: loop/sub: not listing already-listed directory 33EOF 34 35# Ensure that ls exits with status 2 upon detecting a cycle 36returns_ 2 timeout 10 ls -RL loop >out 2>err || fail=1 37 38compare exp-err err || fail=1 39compare exp-out out || fail=1 40 41Exit $fail 42