| # Ensure that hard-linked files are counted (and listed) only once. | |
| # Likewise for excluded directories. | |
| # Ensure that hard links _are_ listed twice when using --count-links. | |
| # Copyright (C) 2003-2025 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 dir/sub | |
| ( cd dir && | |
| { echo non-empty > f1 | |
| ln f1 f2 | |
| ln -s f1 f3 | |
| echo non-empty > sub/F; } ) | |
| du -a -L --exclude=sub --count-links dir \ | |
| | sed 's/^[0-9][0-9]* //' | sort -r > out || fail=1 | |
| # For these tests, transform f1 or f2 or f3 (whichever name is find | |
| # first) to f_. That is necessary because, depending on the type of | |
| # file system, du could encounter any of those linked files first, | |
| # thus listing that one and not the others. | |
| for args in '-L' 'dir' '-L dir' | |
| do | |
| echo === >> out | |
| du -a --exclude=sub $args dir \ | |
| | sed 's/^[0-9][0-9]* //' | sed 's/f[123]/f_/' >> out || fail=1 | |
| done | |
| cat <<\EOF > exp | |
| dir/f3 | |
| dir/f2 | |
| dir/f1 | |
| dir | |
| === | |
| dir/f_ | |
| dir | |
| === | |
| dir/f_ | |
| dir/f_ | |
| dir | |
| === | |
| dir/f_ | |
| dir | |
| EOF | |
| compare exp out || fail=1 | |
| Exit $fail | |