| # Exercise du's new ability to handle bind-mount-induced dir cycles. | |
| # Copyright (C) 2012-2025 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_ du | |
| require_root_ | |
| cleanup_() { umount a/b; } | |
| mkdir -p a/b || framework_failure_ | |
| mount --bind a a/b \ | |
| || skip_ "This test requires mount with a working --bind option." | |
| echo a > exp || framework_failure_ | |
| du a > out 2> err || fail=1 | |
| sed 's/^[0-9][0-9]* //' out > k && mv k out | |
| compare /dev/null err || fail=1 | |
| compare exp out || fail=1 | |
| Exit $fail | |