#!/bin/bash

#
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#

TS_TOPDIR="${0%/*}/../.."
TS_DESC="MBR - non-dos mode"

. $TS_TOPDIR/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_FDISK"
ts_check_test_command "$TS_HELPER_MD5"

# cmd to changes system id to 0x1
FDISK_CMD_INIT="x\ni\n0x1\nr\n"
FDISK_CMD_WRITE_CLOSE="w\nq\n"
FDISK_CMD_CREATE_DOSLABEL="o\n" #create dos label
FDISK_CMD_CREATE_1PRIMARY="n\np\n\n\n+3M\n" # create primary partition of size 3MiB
FDISK_CMD_CREATE_2PRIMARY="n\np\n\n\n+2M\n" # create primary partition of size 2MiB
FDISK_CMD_SET_ACTIVE="a\n1\n" # set first partition active
FDISK_CMD_CREATE_EXTENDED="n\ne\n\n\n\n" # create extended partition
FDISK_CMD_CREATE_LOGICAL="n\nl\n\n+2M\n" # create next logical partition of size 10 sectors
FDISK_CMD_DELETE_LOGICALS="d\n6\nd\n5\nd\n6\n" # delete middle, head, tail, last partitions
FDISK_CMD_DELETE_1PRIMARY="d\n1\n" # delete first primary
FDISK_CMD_DELETE_2PRIMARY="d\n2\n" # delete first primary
FDISK_CMD_DELETE_EXTENDED="d\n3\n" # delete second primary

# Sparc uses SUN disk labels by default and thus has a different output
ARCH=$(uname -m)
case $ARCH in
	*sparc* )
		ARCH_EXT=".sparc"
		;;
	*)
		ARCH_EXT=""
		;;
esac

TS_EXPECTED+="${ARCH_EXT}"

function print_layout {
	echo -ne "\n---layout----------\n" >> $TS_OUTPUT
	$TS_CMD_FDISK -l ${TEST_IMAGE_NAME} >> $TS_OUTPUT
	echo -ne   "-------------------\n\n" >> $TS_OUTPUT
}

#set -x

ts_log "Initialize empty image"
TEST_IMAGE_NAME=$(ts_image_init 20)	# 20 MiB
ts_image_md5sum >> $TS_OUTPUT 2>&1

# need to run init twice, to change system ID after new label, otherwise system
# ID will be random and will screw up md5's
ts_log "Create new DOS partition table"
echo -e "${FDISK_CMD_INIT}${FDISK_CMD_CREATE_DOSLABEL}${FDISK_CMD_INIT}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Create 1st primary partition"
echo -e "${FDISK_CMD_CREATE_1PRIMARY}${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Set primary partition active"
echo -e "${FDISK_CMD_SET_ACTIVE}${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Re-create 1st primary partition"
echo -e "d\n${FDISK_CMD_CREATE_1PRIMARY}${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Create 2nd primary partition"
echo -e "${FDISK_CMD_CREATE_2PRIMARY}${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Create extended partition"
echo -e "${FDISK_CMD_CREATE_EXTENDED}${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK  ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Create logical partitions"
echo -e "${FDISK_CMD_CREATE_LOGICAL}${FDISK_CMD_CREATE_LOGICAL}${FDISK_CMD_CREATE_LOGICAL}${FDISK_CMD_CREATE_LOGICAL}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Delete logical partitions"
echo -e "${FDISK_CMD_DELETE_LOGICALS}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout


ts_log "Create another logical partition"
echo -e "${FDISK_CMD_CREATE_LOGICAL}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Delete primary partition"
echo -e "${FDISK_CMD_DELETE_1PRIMARY}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Delete primary partition"
echo -e "${FDISK_CMD_DELETE_2PRIMARY}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_log "Delete extended partition"
echo -e "${FDISK_CMD_DELETE_EXTENDED}${FDISK_CMD_WRITE_CLOSE}" \
	| $TS_CMD_FDISK -c=dos -u=cylinders ${TEST_IMAGE_NAME} &> /dev/null
ts_image_md5sum >> $TS_OUTPUT 2>&1

print_layout

ts_fdisk_clean ${TEST_IMAGE_NAME}

ts_finalize