| # ensure that ls -i works also for mount points | |
| # Copyright (C) 2009-2025 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_ ls | |
| # We use --local here so as to not activate | |
| # potentially very many remote mounts. | |
| df --local --out=target | sed -n '/^\/./p' | head -n 64 > mount_points | |
| test -s mount_points || | |
| skip_ "this test requires a non-root mount point" | |
| # Given e.g., /dev/shm, produce the list of GNU ls options that | |
| # let us list just that entry using readdir data from its parent: | |
| # ls -i -I '[^s]*' -I 's[^h]*' -I 'sh[^m]*' -I 'shm?*' -I '.?*' \ | |
| # -I '?' -I '??' /dev | |
| ls_ignore_options() | |
| { | |
| name=$1 | |
| opts="-I '.?*' -I '$name?*'" | |
| while :; do | |
| glob=$(echo "$name"|sed 's/\(.*\)\(.\)$/\1[^\2]*/') | |
| opts="$opts -I '$glob'" | |
| name=$(echo "$name"|sed 's/.$//') | |
| test -z "$name" && break | |
| glob=$(echo "$name"|sed 's/./?/g') | |
| opts="$opts -I '$glob'" | |
| done | |
| echo "$opts" | |
| } | |
| inode_via_readdir() | |
| { | |
| mount_point=$1 | |
| base=$(basename "$mount_point") | |
| case "$base" in | |
| .*) skip_ 'mount point component starts with "."' ;; | |
| *[*?]*) skip_ 'mount point component contains "?" or "*"' ;; | |
| esac | |
| opts=$(ls_ignore_options "$base") | |
| parent_dir=$(dirname "$mount_point") | |
| ls_out=$(eval "ls -i $opts '$parent_dir'") | |
| test $? -eq 0 || \ | |
| skip_ "'$parent_dir' is not readable for current user" | |
| echo $ls_out | sed 's/ .*//' | |
| } | |
| while read dir; do | |
| readdir_inode=$(inode_via_readdir "$dir") | |
| test $? = 77 && continue | |
| stat_inode=$(timeout 1 stat --format=%i "$dir") | |
| # If stat fails or says the inode is 0, skip $dir. | |
| case $stat_inode in 0|'') continue;; esac | |
| test "$readdir_inode" = "$stat_inode" || fail=1 | |
| done < mount_points | |
| Exit $fail | |