| # prior to coreutils-4.5.3, du -D didn't work in some cases | |
| # Based on an example from Andreas Schwab and/or Michal Svec. | |
| # Also, up to coreutils-8.5, du -L sometimes incorrectly | |
| # counted the space of the followed symlinks. | |
| # Copyright (C) 2002-2025 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/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ du | |
| mkdir -p a/sub || framework_failure_ | |
| ln -s a/sub slink || framework_failure_ | |
| touch b || framework_failure_ | |
| ln -s .. a/sub/dotdot || framework_failure_ | |
| ln -s nowhere dangle || framework_failure_ | |
| # This used to fail with the following diagnostic: | |
| # du: 'b': No such file or directory | |
| du -sD slink b > /dev/null 2>&1 || fail=1 | |
| # This used to fail to report the dangling symlink. | |
| returns_ 1 du -L dangle > /dev/null 2>&1 || fail=1 | |
| # du -L used to mess up, either by counting the symlink's file system space | |
| # itself (-L should follow symlinks, not count their space) | |
| # or (briefly in July 2010) by omitting the entry for "a". | |
| du_L_output=$(du -L a) || fail=1 | |
| du_lL_output=$(du -lL a) || fail=1 | |
| du_x_output=$(du --exclude=dotdot a) || fail=1 | |
| test "X$du_L_output" = "X$du_x_output" || fail=1 | |
| test "X$du_lL_output" = "X$du_x_output" || fail=1 | |
| Exit $fail | |