73 lines
2.3 KiB
Bash
Executable file
73 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
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# ensure that ls -i works also for mount points
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# Copyright (C) 2009-2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ ls
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# We use --local here so as to not activate
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# potentially very many remote mounts.
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df --local --out=target | sed -n '/^\/./p' | head -n 64 > mount_points
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test -s mount_points ||
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skip_ "this test requires a non-root mount point"
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# Given e.g., /dev/shm, produce the list of GNU ls options that
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# let us list just that entry using readdir data from its parent:
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# ls -i -I '[^s]*' -I 's[^h]*' -I 'sh[^m]*' -I 'shm?*' -I '.?*' \
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# -I '?' -I '??' /dev
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ls_ignore_options()
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{
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name=$1
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opts="-I '.?*' -I '$name?*'"
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while :; do
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glob=$(echo "$name"|sed 's/\(.*\)\(.\)$/\1[^\2]*/')
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opts="$opts -I '$glob'"
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name=$(echo "$name"|sed 's/.$//')
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test -z "$name" && break
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glob=$(echo "$name"|sed 's/./?/g')
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opts="$opts -I '$glob'"
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done
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echo "$opts"
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}
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inode_via_readdir()
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{
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mount_point=$1
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base=$(basename "$mount_point")
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case "$base" in
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.*) skip_ 'mount point component starts with "."' ;;
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*[*?]*) skip_ 'mount point component contains "?" or "*"' ;;
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esac
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opts=$(ls_ignore_options "$base")
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parent_dir=$(dirname "$mount_point")
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ls_out=$(eval "ls -i $opts '$parent_dir'")
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test $? -eq 0 || \
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skip_ "'$parent_dir' is not readable for current user"
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echo $ls_out | sed 's/ .*//'
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}
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while read dir; do
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readdir_inode=$(inode_via_readdir "$dir")
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test $? = 77 && continue
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stat_inode=$(timeout 1 stat --format=%i "$dir")
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# If stat fails or says the inode is 0, skip $dir.
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case $stat_inode in 0|'') continue;; esac
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test "$readdir_inode" = "$stat_inode" || fail=1
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done < mount_points
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Exit $fail
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