1#!/bin/sh
2# Ensure that --dereference-args (-D) gives reasonable names.
3# This test would fail for coreutils-5.0.91.
4
5# Copyright (C) 2003-2023 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_ du
22
23mkdir -p dir/a || framework_failure_
24ln -s dir slink || framework_failure_
25printf %65536s x > 64k || framework_failure_
26ln -s 64k slink-to-64k || framework_failure_
27
28
29du -D slink | sed 's/^[0-9][0-9]*	//' > out
30# Ensure that the trailing slash is preserved and handled properly.
31du -D slink/ | sed 's/^[0-9][0-9]*	//' >> out
32
33# Ensure that -D makes du dereference even symlinks to non-directories.
34# Be sure to use --apparent-size.  Otherwise, we'd get varying block counts
35# depending on file system type (e.g. 68 on ext3 vs. 64 on tmpfs and 72
36# on SELinux-enabled systems).
37du --apparent-size --block-size=1K -D slink-to-64k >> out
38cat <<\EOF > exp
39slink/a
40slink
41slink/a
42slink/
4364	slink-to-64k
44EOF
45
46compare exp out || fail=1
47
48Exit $fail
49