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#!/bin/sh
UCI_SPOOLDIR="/var/spool/uvol"
_uvol_init_spooldir() {
[ ! -d "$(dirname "$UCI_SPOOLDIR")" ] && mkdir -p "$(dirname "$UCI_SPOOLDIR")"
mkdir -m 0700 -p "$UCI_SPOOLDIR"
}
uvol_uci_add() {
local volname="$1"
local devname="$2"
local mode="$3"
local autofs=0
local target="/var/run/uvol/$volname"
local uuid uciname
[ "$mode" = "ro" ] && autofs=1
uciname="${volname//[-.]/_}"
uciname="${uciname//[!([:alnum:]_)]}"
uuid="$(/sbin/block info | grep "^$2" | xargs -n 1 echo | grep "^UUID=.*")"
[ "$uuid" ] || return 22
uuid="${uuid:5}"
case "$uciname" in
"_uxc")
target="/var/run/uxc"
;;
"_"*)
return 1
;;
esac
_uvol_init_spooldir
if [ -e "${UCI_SPOOLDIR}/remove-$1" ]; then
rm "${UCI_SPOOLDIR}/remove-$1"
fi
cat >"${UCI_SPOOLDIR}/add-$1" <<EOF
set fstab.$uciname=mount
set fstab.$uciname.uuid=$uuid
set fstab.$uciname.target=$target
set fstab.$uciname.options=$mode
set fstab.$uciname.autofs=$autofs
set fstab.$uciname.enabled=1
EOF
}
uvol_uci_remove() {
local volname="$1"
local uciname
uciname="${volname//-/_}"
uciname="${uciname//[!([:alnum:]_)]}"
if [ -e "${UCI_SPOOLDIR}/add-$1" ]; then
rm "${UCI_SPOOLDIR}/add-$1"
return
fi
_uvol_init_spooldir
cat >"${UCI_SPOOLDIR}/remove-$1" <<EOF
delete fstab.$uciname
EOF
}
uvol_uci_commit() {
local volname="$1"
local ucibatch
for ucibatch in "${UCI_SPOOLDIR}/"*"-$volname"${volname+*} ; do
[ -e "$ucibatch" ] || break
uci batch < "$ucibatch"
[ $? -eq 0 ] && rm "$ucibatch"
done
uci commit fstab
return $?
}
uvol_uci_init() {
uci -q get fstab.@uvol[0] && return
uci add fstab uvol
uci set fstab.@uvol[-1].initialized=1
}