| # Ensure that --dereference-args (-D) gives reasonable names. | |
| # This test would fail for coreutils-5.0.91. | |
| # 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/a || framework_failure_ | |
| ln -s dir slink || framework_failure_ | |
| printf %65536s x > 64k || framework_failure_ | |
| ln -s 64k slink-to-64k || framework_failure_ | |
| du -D slink | sed 's/^[0-9][0-9]* //' > out | |
| # Ensure that the trailing slash is preserved and handled properly. | |
| du -D slink/ | sed 's/^[0-9][0-9]* //' >> out | |
| # Ensure that -D makes du dereference even symlinks to non-directories. | |
| # Be sure to use --apparent-size. Otherwise, we'd get varying block counts | |
| # depending on file system type (e.g. 68 on ext3 vs. 64 on tmpfs and 72 | |
| # on SELinux-enabled systems). | |
| du --apparent-size --block-size=1K -D slink-to-64k >> out | |
| cat <<\EOF > exp | |
| slink/a | |
| slink | |
| slink/a | |
| slink/ | |
| 64 slink-to-64k | |
| EOF | |
| compare exp out || fail=1 | |
| Exit $fail | |