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