82 lines
1.4 KiB
Bash
Executable File
82 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# $NetBSD: 02-wedgenames,v 1.4 2016/08/15 12:54:40 mlelstv Exp $
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#
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# Try to maintain symlinks to wedge devices
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#
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event="$1"
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shift
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devices=$@
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wedgedir=/dev/wedges
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remove_wedge() {
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test -d $wedgedir && find $wedgedir -print \
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| sed -e 's# #\\ #g' \
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| while read w; do
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t=$(readlink "$w")
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if [ x"$t" = x"/dev/$1" ]; then
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rm -f "$w"
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basedir=$(dirname "$w")
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rmdir -p "$basedir" 2>/dev/null
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fi
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done
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}
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add_wedge() {
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n=$(dkctl "$1" getwedgeinfo \
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| sed -ne '1s#^[^:]*: ##p' \
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| awk -v GOOD='._:;!^$&~()[]{}=,+-/' '
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BEGIN {
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for (i=0; i<256; ++i)
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ord[sprintf("%c",i)] = i
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}
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{
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n = length($0)
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o = ""
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for (i=1; i<=n; ++i) {
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c = substr($0,i,1)
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if (c ~ /^[[:alnum:]]$/ || index(GOOD,c) > 0) {
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o = o c
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} else {
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o = o sprintf("%%%02x",ord[c])
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}
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}
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printf "%s",o
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}'
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)
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case $n in
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"") ;;
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*)
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test -d $wedgedir || mkdir -m 755 $wedgedir
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basedir=$(dirname "$wedgedir/$n")
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test -d "$basedir" || mkdir -p -m 755 "$basedir"
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if oldlink=$(readlink "$wedgedir/$n"); then
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if [ x"$oldlink" != "/dev/$1" ]; then
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rm -f "$wedgedir/$n"
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ln -s "/dev/$1" "$wedgedir/$n"
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fi
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else
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ln -s "/dev/$1" "$wedgedir/$n"
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fi
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;;
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esac
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}
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for device in $devices; do
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case $device in
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dk*)
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case $event in
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device-attach)
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remove_wedge $device
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add_wedge $device
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;;
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device-detach)
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remove_wedge $device
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;;
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esac
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;;
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esac
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done
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