File: parted

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partman-base 128lenny1
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#!/bin/sh

set -e

. /lib/partman/lib/base.sh

ORIG_IFS="$IFS"

is_inactive_md() {
	local number
	number=$(echo "$1" | sed -n -e 's,/dev/md/\?,,p')
	if [ "$number" ] && ! grep -q "^md$number : active" /proc/mdstat; then
		return 0
	fi
	return 1
}

part_of_sataraid () {
	local raiddev
	for raiddev in $(dmraid -r -c); do
		if [ "$(readlink -f $raiddev)" = $1 ]; then
			return 0
		fi
	done
	return 1
}

part_of_multipath() {
	local mpdev
	type multipath >/dev/null 2>&1 || return 1

	if is_multipath_part $1; then
		return 0
	fi
	# The block devices that make up the multipath:
	# Output looks like \_ 4:0:0:1 sdc 8:32 ...
	for mpdev in $(multipath -l | \
		       grep '_ \([#0-9]\+:\)\{3\}[#0-9]\+ [hs]d[a-z]\+ [0-9]\+:[0-9]\+' | \
		       cut -f4 -d' '); do
		if [ "$(readlink -f /dev/$mpdev)" = $1 ]; then
			return 0
		fi
	done
	return 1
}

if [ ! -f /var/run/parted_server.pid ]; then
	mkdir -p /var/run
	parted_server
	RET=$?
	if [ $RET != 0 ]; then
		# TODO: How do we signal we couldn't start parted_server properly?
		exit $RET
	fi

	rm -rf /var/lib/partman/old_devices
	if [ -d $DEVICES ]; then
		mv $DEVICES /var/lib/partman/old_devices
	fi
	mkdir $DEVICES || true

	IFS="$NL"
	for partdev in $(parted_devices |
		sed 's,^/dev/\(ide\|scsi\|[hs]d\|md/\?[0-9]\+\),!/dev/\1,' |
		sort |
		sed 's,^!,,' ); do

		IFS="$TAB"
		set -- $partdev
		IFS="$ORIG_IFS"

		device=$1
		size=$2
		model=$3

		# Skip mtd devices since they aren't supported by parted
		if echo $device | grep -q '/dev/mtd'; then
			continue
		fi

		# Skip MD devices which are not active
		if [ -e /proc/mdstat ]; then
			if is_inactive_md $device; then
				continue
			fi
		fi

		# Skip devices that are part of a dmraid device
		if type dmraid >/dev/null 2>&1; then
			if part_of_sataraid $device; then
				continue
			fi
		fi

		# Skip devices that are part of a multipathed device
		if part_of_multipath $device; then
			continue
		fi

		dirname=$(echo $device | sed 's:/:=:g')
		dev=$DEVICES/$dirname
		if [ -d /var/lib/partman/old_devices/$dirname ]; then
			mv /var/lib/partman/old_devices/$dirname $dev
		else
			mkdir $dev || continue
		fi
		printf "%s" "$device" >$dev/device
		printf "%s" "$size" >$dev/size
		printf "%s" "$model" >$dev/model

		# Set the sataraid flag for dmraid arrays.
		if type dmraid >/dev/null 2>&1; then
			if dmraid -sa -c | grep -q $(basename $device); then
				>$dev/sataraid
			fi
		fi

		cd $dev
		open_dialog OPEN "$(cat $dev/device)"
		read_line response
		close_dialog
		if [ "$response" = failed ]; then
			cd /
			rm -rf $dev
		fi
	done

	rm -rf /var/lib/partman/old_devices
fi