#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/read_disk.sh,v 1.1 2008-09-24 10:54:00 niro Exp $

source hwdetection.sh

# use C locale
export LC_ALL=C

nocdrom()
{
	local i
	local item="$1"

	for i in ${ALL_CDROMS}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}

# converts partition id to filesystem name
partition_id_2_fs_name()
{
	local x="$1"
	local id
	local desc

	while read id desc
	do
		if [[ ${x} = ${id} ]]
		then
			echo "${desc}"
			return 0
		fi
	done << EOF
$(/sbin/sfdisk -T)
EOF

	# if we get here the id is unkown
	echo "unkown"
}

query_partition_disk_setup()
{
	local i
	local partition
	local filesystem
	local mountpoint
	local command="$1"
	local given_partition="$2"

	#
	#--overwrite

	for i in ${PARTITION_DISK_SETUP}
	do
		partition=$(echo ${i} | cut -d: -f1)
		filesystem=$(echo ${i} | cut -d: -f2)
		mountpoint=$(echo ${i} | cut -d: -f3)

		if [[ ${partition} = ${given_partition} ]]
		then
			case ${command} in
				--filesystem) echo "${filesystem}"; return 0;;
				--mountpoint) echo "${mountpoint}"; return 0;;
				--delete) export PARTITION_DISK_SETUP="${PARTITION_DISK_SETUP/${i}/}"; return 0;;
			esac
		fi
	done
}

#ALL_DISKS="$(get_hwinfo disk)"
# exclude all ramdisks
ALL_DISKS="$(get_hwinfo disk | sed '/\/dev\/ram[0-9].*/d' )"
ALL_CDROMS="$(get_hwinfo cdrom)"

for disk in ${ALL_DISKS}
do
	# exclude cdroms
	nocdrom ${disk} || continue

	OLDIFS="$IFS"
	IFS=,

	echo "${disk}|${disk}"
	while read partition size id boot
	do
		# partition name
		partition="$(echo ${partition} | cut -d: -f1 | sed -e s:$'\t'::g -e s:\ ::g)"
		# size
		size="$(echo ${size} | sed -e s:size=::g -e s:\ ::g)"
		# id but converted
		id="$(echo ${id} | sed -e s:Id=::g -e s:\ ::g)"
		idname="$(IFS=${OLDIFS} partition_id_2_fs_name ${id})"
		# bootable flag
		boot="$(echo ${boot} | sed -e s:\ ::g -e s:bootable:b:g)"

# 		# swap
# 		if [[ ${id} = 82 ]]
# 		then
# 			mountpoint="swap"
# 			format="swap"
# 			export PARTITION_DISK_SETUP="${PARTITION_DISK_SETUP} ${disk}:swap:swap"
# 		else
			# mountpoint, but detect any swap
			mountpoint="$(IFS=${OLDIFS} query_partition_disk_setup --mountpoint ${partition})"
			# filesystem to format
			format="$(IFS=${OLDIFS} query_partition_disk_setup --filesystem ${partition})"
# 		fi

		echo -n "|${partition}"
		echo -n "|${size}"
		echo -n "|${idname}"
		echo -n "|${boot}"
		echo -n "|${mountpoint}"
		echo -n "|${format}"
		echo

	done << EOF
	$(${sudo} /sbin/sfdisk --dump ${disk} | sed '1,3d')
EOF
	IFS="${OLDIFS}"
done