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#!/bin/sh
# Scan /lib/lvm-* for new binaries and set up symlinks for /sbin/lvmiopversion
# for them.
tmpfile="`tempfile`"
tmpfile2="`tempfile`"
trap 'rm -f "$tmpfile" "$tmpfile2" 2>/dev/null' EXIT QUIT INT TERM HUP
if [ "x$1" = "x-x" ]; then
# Remove all lvmiopversion symlinks
find /sbin -maxdepth 1 -type l > $tmpfile
while read f; do
[ "x`readlink "$f"`" = "xlvmiopversion" ] && rm -f -- "$f"
done < $tmpfile
rm -f $tmpfile $tmpfile2
exit 0
fi
if [ ! -x /sbin/lvmiopversion ]; then
echo 'lvm-bin-scan: /sbin/lvmiopversion not found; exiting!' >&2
rm -f $tmpfile $tmpfile2
exit 1
fi
# Find new ones
find /lib -maxdepth 1 -type d -name 'lvm-*' > $tmpfile2
while read i; do
find "$i" -maxdepth 1 -follow -type f -maxdepth 1 > $tmpfile
while read f; do
s="/sbin/`basename "$f"`"
[ ! -e "$s" ] && ln -sf -- lvmiopversion $s
done < "$tmpfile"
done < $tmpfile2
# Remove old ones
find /sbin -maxdepth 1 -type l > $tmpfile
while read n; do
b="`basename "$n"`"
if [ "x`readlink $n`" = "xlvmiopversion" ] && \
! find /lib -maxdepth 2 -follow -regex '^/lib/lvm-.*/'"$b" -type f -perm +0111 2>/dev/null \
| grep -q '/lib'; then
rm -f -- "$n"
fi
done < "$tmpfile"
rm -f $tmpfile $tmpfile2
exit 0
|
