#!/bin/bash

# === Detect instalation source ===

echo "1 1 1 1" > /proc/sys/kernel/printk

mkdir /mnt > /dev/null 2>&1
mkdir /multiboot > /dev/null 2>&1
mkdir /run/inst > /dev/null 2>&1

#-------------------------------------------------------
print_header() {
    clear
    printf "\n"
    printf "\n"
    printf "\033[36m\033[1m\n"
	if [ "${O_BOARD}" = "C2" ]; then
		printf "    ======================================\n"
		printf "    = Odroid C2 Universal installer %s =\n" "${SCRIPT_VERSION}"
		printf "    ======================================\n"
	else
		printf "    ===========================================\n"
		printf "    = Odroid XU3/XU4 Universal installer %s =\n" "${SCRIPT_VERSION}"
		printf "    ===========================================\n"
	fi
    printf "\033[22m\033[37m\n"
}
#-------------------------------------------------------


print_header

# Set variables
CARD1=""
CARD2=""
CARD1_EMMC=""
CARD2_EMMC=""
DEST_CARD=""
DEST_EMMC=""
INST_ANDROID=""
INST_OELEC=""
INST_LINUX=""
INST_LINUX2=""
A_FROMDIR=""
L_FROMDIR=""
L2_FROMDIR=""
O_FROMDIR=""
INST_DELAY=60
SYSTEM_SIZE=1024
SYSTEM_MINSIZE=768
DATA_SIZE=1024
DATA_MINSIZE=1024
CACHE_SIZE=256
CACHE_MINSIZE=128
USERDATA_SIZE=1024
USERDATA_MINSIZE=512
LINUX_SIZE=2048
LINUX_MINSIZE=2048
OELEC_SIZE=512
OELEC_MINSIZE=512
LINUX_FSTYPE="ext4"
_dest_system="/dev/disk/by-label/sdystem"
_dest_cache="/dev/disk/by-label/sdcache"
_dest_data="/dev/disk/by-label/sddata"
_erase_data="no"
_part6_label="auxpart"
_part6_dlabel="Reserved"

#-----------------------------------------------------
# Check card type
#----------------
CARD1="/dev/mmcblk${BOOT_CARDDEV}"
CARD1_EMMC="${BOOT_CARDTYPE}"
if [ "${NUMCARDS}" = "2" ]; then
	CARD2="/dev/mmcblk${OTHER_CARDDEV}"
	CARD2_EMMC="${OTHER_CARDTYPE}"
fi
#-----------------------------------------------------


#-----------------------------------------------------
# Check where the installation files are located
check_source() {
	local _instfound="no"

    if [ -b ${1} ]; then
		/bin/mountx ${1} /mnt > /dev/null 2>&1
		[ $? -ne 0 ] && return 1
	else
		return 1
    fi
    sleep 1
    # === Source drive found and 1st partition mounted on /mnt ===

    # === Check installation files on source drive ===
    # ANDROID
    if [ -d /mnt/${BKP_PREFIX}_backup/android ]; then
		if [ -f /mnt/${BKP_PREFIX}_backup/android/system.raw.img ]; then
			INST_ANDROID="yes"
			_instfound="yes"
			A_FROMDIR="yes"
		fi
    else
		if [ -f /mnt/update.tar.gz ] || [ -f /mnt/update.zip ]; then
			INST_ANDROID="yes"
			_instfound="yes"
		fi
	fi

	[ "${UPGRADE_ANDROID}" = "yes" ] && return 0

    # LINUX
    if [ -d /mnt/${BKP_PREFIX}_backup/linux ]; then
		if [ -f /mnt/${BKP_PREFIX}_backup/linux/linux.img ]; then
			INST_LINUX="yes"
			_instfound="yes"
			L_FROMDIR="yes"
		fi
    else
		if [ -f /mnt/linux.img ]; then
			INST_LINUX="yes"
			_instfound="yes"
		fi
	fi

    # LINUX2
	if [ "${INST_LINUX}" = "yes" ]; then
		if [ -d /mnt/${BKP_PREFIX}_backup/linux2 ]; then
			if [ -f /mnt/${BKP_PREFIX}_backup/linux2/linux.img ]; then
				INST_LINUX2="yes"
				_part6_label="linux2"
				_part6_dlabel="Linux #2"
				_instfound="yes"
				L2_FROMDIR="yes"
			fi
		else
			if [ -f /mnt/linux2.img ]; then
				INST_LINUX2="yes"
				_part6_label="linux2"
				_part6_dlabel="Linux #2"
			fi
		fi
	fi

	if [ ! "${INST_ANDROID}" = "yes" ] || [ ! "${INST_LINUX2}" = "yes" ]; then
		# === OpenElec instalation is possible only if Android OR Linux2 are not installed ===
		if [ -d /mnt/${BKP_PREFIX}_backup/oelec/target ] && [ -d /mnt/${BKP_PREFIX}_backup/oelec/3rdparty ]; then
			INST_OELEC="yes"
			O_FROMDIR="yes"
			_part6_label="oelec"
			_part6_dlabel="OpenElec"
		else
			if [ -f /mnt/oelec.tar ]; then
				INST_OELEC="yes"
				_part6_label="oelec"
				_part6_dlabel="OpenElec"
			fi
		fi
    fi

	[ "${_instfound}" = "no" ] && return 1
    return 0
}
#-----------------------------------------------------

#----------------------------------------------------------------------------------------------------
exit_script() {
	local _delay=60
	local B="X"
	echo ""
	while [ $_delay -gt 0 ]; do
		printf "    \033[33mPress \033[1mE\033[22m to exit to main menu (%s)  \033[37m\r" "${_delay}"
		if read -n 1 -t 1 -s B; then
			_delay=60
			if [ "${B}" = "E" ] || [ "${B}" = "e" ]; then
				break
			elif [ "${B}" = "s" ]; then
				# SCREENSHOT ===
				fbcat > /install_exit.ppm
			fi
		else
			let _delay=_delay-1
		fi
	done

	printf "\r\033[2K"
	umount /mnt1 > /dev/null 2>&1
	umount /mnt2 > /dev/null 2>&1
	umount /mnt > /dev/null 2>&1

	udevadm trigger --action=add > /dev/null 2>&1
	exit 0
}
#----------------------------------------------------------------------------------------------------

print_header

# === Copy multiboot files from boot drive to RAMfs directory ===
mount -t vfat /dev/mmcblk${BOOT_CARDDEV}p1 /mnt > /dev/null 2>&1
if [ $? -ne 0 ]; then
	printf "    ERROR mounting boot card"
	exit_script
fi

cp /mnt/multiboot/*.multi /multiboot > /dev/null 2>&1
if [ $? -ne 0 ]; then
	printf "    ERROR copying multiboot files"
	exit_script
fi

umount /mnt > /dev/null 2>&1
if [ $? -ne 0 ]; then
	printf "    ERROR unmounting boot card"
	exit_script
fi
sleep 1

#=================================================
printf "    Searching for installation drive ... "

# === Set default dest card to sdcard if exists ===
DEST_CARD=${CARD1}
DEST_EMMC=${CARD1_EMMC}
if [ "${NUMCARDS}" = "2" ]; then
	DEST_CARD=${CARD2}
	DEST_EMMC=${CARD2_EMMC}
fi

check_source "/dev/sda1"
if [ $? -ne 0 ]; then
	check_source "/dev/sda2"
	if [ $? -ne 0 ]; then
		check_source "/dev/sda3"
		if [ $? -ne 0 ]; then
			check_source "/dev/sda4"
			if [ $? -ne 0 ]; then
				printf "    \033[33m\033[1mNOT FOUND, aborted\033[22m\033[37m\n"
				exit_script
			fi
		fi
	fi
fi

if [ ! "${INST_ANDROID}" = "yes" ]; then
	SYSTEM_MINSIZE=8
	DATA_MINSIZE=8
	SYSTEM_SIZE=8
	DATA_SIZE=8
	CACHE_SIZE=8
	CACHE_MINSIZE=8
	USERDATA_MINSIZE=256
	USERDATA_SIZE=256
fi
if [ ! "${INST_OELEC}" = "yes" ] && [ ! "${INST_LINUX2}" = "yes" ]; then
	OELEC_MINSIZE=8
	OELEC_SIZE=256
else
	if [ "${INST_OELEC}" = "yes" ]; then
		OELEC_MINSIZE=256
		OELEC_SIZE=512
	elif [ "${INST_LINUX2}" = "yes" ]; then
		OELEC_MINSIZE=1563
		OELEC_SIZE=1536
	fi
fi
if [ ! "${INST_LINUX}" = "yes" ]; then
	LINUX_MINSIZE=8
	LINUX_SIZE=8
fi
#=================================================


#=================================================

if [ "${O_BOARD}" = "C2" ]; then
	part_start=65536		# RESERVE 32M AT CARD START
else
	part_start=8192			#131072      # RESERVE 64MB AT CARD START
fi

PARTSIZE_INC=128
export CARD_SIZE=8000
export ONLY_ANDROID="no"
export ONLY_LINUX="no"
export MULTI_BOOT="yes"
export source_mount="/mnt"
export TWO_CARDS="no"

if [ "${UPGRADE_ANDROID}" = "yes" ]; then
	rm /mnt/upgrade.log > /dev/null 2>&1
	log_file="/mnt/upgrade.log"
	#log_file="ls/dev/null"
else
	rm /mnt/install.log > /dev/null 2>&1
	log_file="/mnt/install.log"
	#log_file="ls/dev/null"
fi

#--------------------------------------------------------------------------------------------------------------------------------------
if [ "${INST_LINUX}" = "yes" ] && [ "${INST_ANDROID}" != "yes" ] && [ "${INST_OELEC}" != "yes" ] && [ "${INST_LINUX2}" != "yes" ]; then
	ONLY_LINUX="yes"
	MULTI_BOOT="no"
fi
if [ "${INST_ANDROID}" = "yes" ] && [ "${INST_LINUX}" != "yes" ] && [ "${INST_OELEC}" != "yes" ]; then
	ONLY_ANDROID="yes"
	MULTI_BOOT="no"
fi
if [ "${CARD1}" != "" ] && [ "${CARD1}" != "" ]; then
	TWO_CARDS="yes"
fi
#-----------------------------------------------------------------------------------------------------


#---------------------------------------------------------------------------------
# Detect and set installation card size, leave 32M at end unused
set_cardsize() {
	_card_sectno=`fdisk -l ${DEST_CARD} | grep "Disk ${DEST_CARD}" | awk '{print $7}'`
	CARD_SIZE=$(( ( $_card_sectno - $part_start - 65536 ) / 2048))
}
#---------------------------------------------------------------------------------


#--------------------------------------------------------------------------------------------------------
# Set linux or userdata partition size to fill card size
set_auto_partsize() {
    if [ "${INST_LINUX}" = "yes" ]; then
		LINUX_SIZE=$(( $CARD_SIZE - $USERDATA_SIZE - $SYSTEM_SIZE - $DATA_SIZE -$CACHE_SIZE - $OELEC_SIZE))
        if [ "${LINUX_SIZE}" -lt "${LINUX_MINSIZE}" ]; then
            LINUX_SIZE=${LINUX_MINSIZE}
            return 1
        else
            return 0
        fi
    else
		USERDATA_SIZE=$(( $CARD_SIZE - $SYSTEM_SIZE - $DATA_SIZE -$CACHE_SIZE - $OELEC_SIZE - $LINUX_SIZE))
        if [ "${USERDATA_SIZE}" -lt "${USERDATA_MINSIZE}" ]; then
            USERDATA_SIZE=${USERDATA_MINSIZE}
            return 1
        else
            return 0
        fi
    fi
}
#--------------------------------------------------------------------------------------------------------


#---------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
print_settings() {
    set_auto_partsize

    printf "                    Install:"
	if [ "${INST_ANDROID}" = "yes" ]; then
		printf " \033[36mAndroid\033[37m from "
		if [ "${A_FROMDIR}" = "yes" ]; then
			printf "backup"
		else
			printf "image"
		fi
		if [ "${MULTI_BOOT}" = "yes" ]; then
			printf "\033[32m &\033[37m"
		fi
	fi
	if [ "${INST_LINUX}" = "yes" ]; then
		printf " \033[36mLinux\033[37m from "
		if [ "${L_FROMDIR}" = "yes" ]; then
			printf "backup"
		else
			printf "image"
		fi
		if [ "${MULTI_BOOT}" = "yes" ] && [ "${INST_OELEC}" = "yes" ]; then
			printf "\033[32m &\033[37m"
		fi

		if [ "${INST_LINUX2}" = "yes" ]; then
			printf " \033[36mLinux2\033[37m from "
			if [ "${L2_FROMDIR}" = "yes" ]; then
				printf "backup"
			else
				printf "image"
			fi
			if [ "${MULTI_BOOT}" = "yes" ] && [ "${INST_OELEC}" = "yes" ]; then
				printf "\033[32m &\033[37m"
			fi
		fi
	fi
	if [ "${INST_OELEC}" = "yes" ]; then
		printf " \033[36mOpenElec\033[37m from "
		if [ "${O_FROMDIR}" = "yes" ]; then
			printf "backup"
		else
			printf "image"
		fi
	fi
	printf "\033[37m\n"
    printf "                 Install to: \033[36m${DEST_EMMC} Card (${DEST_CARD})\033[37m (${CARD_SIZE}M)\n"
    printf "          Installation type: \033[36m"
    if [ "${ONLY_LINUX}" = "yes" ]; then
		printf "Linux"
	elif [ "${ONLY_ANDROID}" = "yes" ]; then
		printf "Android"
	else
		printf "Multi Boot"
	fi
	printf "\033[37m\n\n"
    printf "                  Card size: \033[36m${CARD_SIZE}M\033[37m\n"
    if [ "${ONLY_LINUX}" = "yes" ]; then
		printf "        boot partition size: \033[36m${USERDATA_SIZE}M\033[37m\n"
	else
		printf "    userdata partition size: \033[36m${USERDATA_SIZE}M\033[37m\n"
	fi
    [ "${ONLY_LINUX}" != "yes" ] && printf "      system partition size: \033[36m${SYSTEM_SIZE}M\033[37m\n"
    [ "${ONLY_LINUX}" != "yes" ] && printf "        data partition size: \033[36m${DATA_SIZE}M\033[37m\n"
    [ "${INST_ANDROID}" = "yes" ] && printf "       cache partition size: \033[36m${CACHE_SIZE}M\033[37m\n"
	printf "    ${_part6_dlabel} partition size: \033[36m${OELEC_SIZE}M\033[37m\n"
	if [ "${INST_LINUX}" = "yes" ]; then
		if [ "${INST_LINUX2}" = "yes" ]; then
			printf "   linux 1&2 partition size: \033[36m${LINUX_SIZE}M\033[37m\n"
		else
			printf "       linux partition size: \033[36m${LINUX_SIZE}M\033[37m\n"
		fi
	fi
    [ "${INST_LINUX}" = "yes" ] && printf "     linux file system type: \033[36m${LINUX_FSTYPE}\033[37m\n"
    printf "\033[36m\n"

    [ "${TWO_CARDS}" = "yes" ] && printf "    \033[32m\033[1m1\033[22m  Change installation \033[1mcard\033[22m\033[36m\n"
    if [ "${INST_LINUX}" = "yes" ]; then
		printf "    \033[32m\033[1m2\033[22m  Change \033[1m"
		if [ "${ONLY_LINUX}" = "yes" ]; then
			printf "boot"
		else
			printf "userdata"
		fi
		printf "\033[22m partition size\033[36m\n"
	fi
    [ "${INST_ANDROID}" = "yes" ] && printf "    \033[32m\033[1m3\033[22m  Change \033[1msystem\033[22m partition size\033[36m\n"
    [ "${INST_ANDROID}" = "yes" ] && printf "    \033[32m\033[1m4\033[22m  Change \033[1mdata\033[22m partition size\033[36m\n"
    [ "${INST_ANDROID}" = "yes" ] && printf "    \033[32m\033[1m5\033[22m  Change \033[1mcache\033[22m partition size\033[36m\n"
	if [ "${INST_OELEC}" = "yes" ] && [ "${MULTI_BOOT}" = "yes" ]; then
		printf "    \033[32m\033[1m6\033[22m  Change \033[1m${_part6_dlabel}\033[22m partition size\033[36m\n"
	fi
    if [ "${INST_LINUX}" = "yes" ]; then
		if [ "${INST_LINUX2}" = "yes" ]; then
			printf "    \033[32m\033[1mL\033[22m  Change \033[1mLinux 2\033[22m partition size\033[36m\n"
		fi
		printf "\n"
		printf "    \033[32m\033[1mt\033[22m  Change Linux \033[1mfile system type\033[22m\033[36m\n"
    fi

	printf "\n    \033[35m\033[1mI\033[22m  Start installation\033[36m\n"
    printf "\n    \033[33m\033[1mE\033[22m  EXIT\033[37m\n\n"
    if [ "${LINUX_FSTYPE}" = "btrfs" ] && [ "${O_BOARD}" = "C2" ]; then
		printf "\033[32m\033[1m    WARNING\033[22m: only install to btrfs if Linux install image is prepared for it\n"
		printf "             if not shure, use ext4\033[37m\n"
    fi
}
#---------------------------------------------------------------------------------------------------------------------------

#---- Select destination card -------------------------------------------------------------------------
# shellcheck disable=SC2059
set_dest() {
    printf "    Press \033[35m+\033[37m key to change installation card, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    Install to: \033[36m${DEST_EMMC} Card (${DEST_CARD})\033[37m            \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				if [ "${NUMCARDS}" = "2" ]; then
					if [ "${DEST_CARD}" = "${CARD1}" ]; then
						if [ ! "${CARD2}" = "" ]; then
							DEST_CARD=${CARD2}
							DEST_EMMC=${CARD2_EMMC}
						fi
					elif [ "${DEST_CARD}" = "${CARD2}" ]; then
						if [ ! "${CARD1}" = "" ]; then
							DEST_CARD=${CARD1}
							DEST_EMMC=${CARD1_EMMC}
						fi
					fi
				elif [ "${O_BOARD}" = "C2" ]; then
					if [ "${DEST_EMMC}" = "SD" ]; then
						DEST_EMMC="EMMC"
					else
						DEST_EMMC="SD"
					fi
				fi
			elif [ "${A}" = "9" ]; then
				set_cardsize
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#-----------------------------------------------------------------------------


#---- Set Linux fs type -------------------------------------------------------------------------
# shellcheck disable=SC2059
set_linfstype() {
    printf "    Press \033[35m+\033[37m key to change Linux filesystem type, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    Linux fs type: \033[36m${LINUX_FSTYPE}\033[37m            \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				if [ "${LINUX_FSTYPE}" = "btrfs" ]; then
					LINUX_FSTYPE="ext4"
				else
					LINUX_FSTYPE="btrfs"
				fi
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#-----------------------------------------------------------------------------


#----------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
set_systemsize() {
    printf "    Press \033[35m+\033[37m|\033[35m-\033[37m key to change system partition size, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    system partition size: \033[36m${SYSTEM_SIZE}M\033[37m         \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				let SYSTEM_SIZE=SYSTEM_SIZE+PARTSIZE_INC
				set_auto_partsize
				if [ $? -ne 0 ]; then
					let SYSTEM_SIZE=SYSTEM_SIZE-PARTSIZE_INC
					set_auto_partsize
				fi
			elif [ "${A}" = "-" ]; then
				let SYSTEM_SIZE=SYSTEM_SIZE-${PARTSIZE_INC}
				[ $SYSTEM_SIZE -lt $SYSTEM_MINSIZE ] && SYSTEM_SIZE=$SYSTEM_MINSIZE
				set_auto_partsize
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#----------------------------------------------------------------------------------------------------------------------------


#--------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
set_datasize() {
    printf "    Press \033[35m+\033[37m|\033[35m-\033[37m key to change data partition size, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    data partition size: \033[36m${DATA_SIZE}M\033[37m         \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				let DATA_SIZE=DATA_SIZE+PARTSIZE_INC
				set_auto_partsize
				if [ $? -ne 0 ]; then
					let DATA_SIZE=DATA_SIZE-PARTSIZE_INC
					set_auto_partsize
				fi
			elif [ "${A}" = "-" ]; then
				let DATA_SIZE=DATA_SIZE-PARTSIZE_INC
				[ $DATA_SIZE -lt $DATA_MINSIZE ] && DATA_SIZE=$DATA_MINSIZE
				set_auto_partsize
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#--------------------------------------------------------------------------------------------------------------------------


#------------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
set_userdatasize() {
    printf "    Press \033[35m+\033[37m|\033[35m-\033[37m key to change "
	if [ "${ONLY_LINUX}" = "yes" ]; then
		printf "boot"
	else
		printf "userdata"
	fi
    printf " partition size, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		if [ "${ONLY_LINUX}" = "yes" ]; then
			printf "    boot"
		else
			printf "    userdata"
		fi
		printf " partition size: \033[36m${USERDATA_SIZE}M\033[37m         \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				let USERDATA_SIZE=USERDATA_SIZE+PARTSIZE_INC
				set_auto_partsize
				if [ $? -ne 0 ]; then
					let USERDATA_SIZE=USERDATA_SIZE-PARTSIZE_INC
					set_auto_partsize
				fi
			elif [ "${A}" = "-" ]; then
				let USERDATA_SIZE=USERDATA_SIZE-PARTSIZE_INC
				[ $USERDATA_SIZE -lt $USERDATA_MINSIZE ] && USERDATA_SIZE=$USERDATA_MINSIZE
				set_auto_partsize
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#------------------------------------------------------------------------------------------------------------------------------


#------------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
set_cachesize() {
    printf "    Press \033[35m+\033[37m|\033[35m-\033[37m key to change cache partition size, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    cache partition size: \033[36m${CACHE_SIZE}M\033[37m         \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				let CACHE_SIZE=CACHE_SIZE+PARTSIZE_INC
				set_auto_partsize
				if [ $? -ne 0 ]; then
					let CACHE_SIZE=CACHE_SIZE-PARTSIZE_INC
					set_auto_partsize
				fi
			elif [ "${A}" = "-" ]; then
				let CACHE_SIZE=CACHE_SIZE-PARTSIZE_INC
				[ ${CACHE_SIZE} -lt $CACHE_MINSIZE ] && CACHE_SIZE=$CACHE_MINSIZE
				set_auto_partsize
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#------------------------------------------------------------------------------------------------------------------------------


#------------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
set_oelecsize() {
    printf "    Press \033[35m+\033[37m|\033[35m-\033[37m key to change ${_part6_dlabel} partition size, \033[35m9\033[37m to select\n\n"

    _wait_delay=30
    while [ $_wait_delay -gt 0 ]; do
		printf "    ${_part6_dlabel} partition size: \033[36m${OELEC_SIZE}M\033[37m         \r"
		if read -n 1 -t 1 -s A; then
			_wait_delay=30
			if [ "${A}" = "+" ]; then
				let OELEC_SIZE=OELEC_SIZE+PARTSIZE_INC
				[ ${OELEC_SIZE} -eq 136 ] && OELEC_SIZE=$PARTSIZE_INC
				set_auto_partsize
				if [ $? -ne 0 ]; then
					let OELEC_SIZE=OELEC_SIZE-PARTSIZE_INC
					set_auto_partsize
				fi
			elif [ "${A}" = "-" ]; then
				let OELEC_SIZE=OELEC_SIZE-PARTSIZE_INC
				[ ${OELEC_SIZE} -lt $OELEC_MINSIZE ] && OELEC_SIZE=$OELEC_MINSIZE
				set_auto_partsize
			elif [ "${A}" = "9" ]; then
				break
			fi
		else
			let _wait_delay=_wait_delay-1
		fi
		printf "\r"
    done
}
#------------------------------------------------------------------------------------------------------------------------------


#------------------------------------------------------------------------------------------------
create_partitions_full() {
	# == MULTI BOOT PARTITION LAYOUT ===
	# userdata
	# android system
	# android cache
	# extended
	#   android data
	#   oelec/linux2
	#   linux
    _userdata_size=$(( $USERDATA_SIZE * 2048 ))
	_system_size=$(( $SYSTEM_SIZE * 2048 ))
	_cache_size=$(( $CACHE_SIZE * 2048 ))
    userpart_end=$(( $_userdata_size + $part_start - 1 ))
	syspart_start=$(( $userpart_end + 1))
	syspart_end=$(( $syspart_start + $_system_size - 1 ))
	cachepart_start=$(( $syspart_end + 1 ))
	cachepart_end=$(( $cachepart_start + $_cache_size - 1 ))
	extpart_start=$(( $cachepart_end + 1))

	dd if=/dev/zero of=${DEST_CARD} bs=512 seek=${extpart_start} count=131072 >> ${log_file} 2>&1
	sync

	echo "n
p
1
$part_start
$userpart_end
t
c
n
p
2
$syspart_start
$syspart_end
n
p
3
$cachepart_start
$cachepart_end
n
e
$extpart_start

n

+${DATA_SIZE}M
n

+${OELEC_SIZE}M
n

+${LINUX_SIZE}M
w" | fdisk ${DEST_CARD} >> ${log_file} 2>&1

	if [ $? -ne 0 ]; then
		printf "    fdisk ERROR "
		return 1
	fi
return 0
}
#------------------------------------------------------------------------------------------------

#----------------------------------------------------------------------------------------
# Partition and format installation card
prepare_card() {
	echo "==== PREPARE CARD ====" >> ${log_file}

	printf "    Partitioning the card "

	# ---- Erase card -------------------------------------------------------
	/bin/dd if=/dev/zero of=${DEST_CARD} bs=512 count=${part_start} >> ${log_file} 2>&1
	sync
	sleep 1
	/bin/partprobe -s ${DEST_CARD} >> ${log_file} 2>&1
	sleep 1

	#---- Make new partition table --------------------------
	echo -e "o\nw" | /bin/fdisk ${DEST_CARD} >> ${log_file} 2>&1
	sync
	sleep 1
	/bin/partprobe -s ${DEST_CARD} >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "    ERROR creating partition table."
		return 1
    fi
    sleep 1

	create_partitions_full
	[ $? -ne 0 ] && return 1

	sleep 2
	/bin/partprobe -s ${DEST_CARD} >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "    ERROR creating partitions."
		return 1
	fi
	sleep 1
	sync
	echo "OK"
	sleep 1

	# *** FORMATING partitions ***************************************
	printf "    Formating partitions... "

	# === USERDATA/BOOT =======================================================
	printf "\033[36muserdata\033[37m... "
	dd if=/dev/zero of=${DEST_CARD}p1 bs=512 count=2048 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR"
        return 1
    fi
	sync
	mkfs -t vfat -F 32 -n ${label_pref}userdata ${DEST_CARD}p1 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "mkfs ERROR"
        return 1
    fi
    sync
    sleep 1

	if [ "${INST_ANDROID}" = "yes" ]; then
		printf "\033[36msystem\033[37m... "
		# === system ===================================================
		dd if=/dev/zero of=${DEST_CARD}p2 bs=512 count=2048 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR"
			return 1
		fi
		sync
		mkfs.ext4 -L ${label_pref}system ${DEST_CARD}p2 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "mkfs ERROR"
			return 1
		fi
		sync
		sleep 1

		# === data ===================================================
		printf "\033[36mdata\033[37m... "
		dd if=/dev/zero of=${DEST_CARD}p${ADATA_PART} bs=512 count=2048 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR"
			return 1
		fi
		sync
		mkfs.ext4 -L ${label_pref}data ${DEST_CARD}p${ADATA_PART} >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "mkfs ERROR"
			return 1
		fi
		sync
		sleep 1

		# === cache =================================================================
		printf "\033[36mcache\033[37m... "
		dd if=/dev/zero of=${DEST_CARD}p${ACACHE_PART} bs=512 count=2048 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR"
			return 1
		fi
		sync
		mkfs.ext4 -L ${label_pref}cache ${DEST_CARD}p${ACACHE_PART} >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "mkfs ERROR"
			return 1
		fi
		sync
		sleep 1
	fi

	if [ "$INST_OELEC" = "yes" ] || [ "${INST_LINUX2}" = "yes" ]; then
		printf "\033[36moelec\033[37m... "
		# === OpenElec/Linux2 ==============================================
		dd if=/dev/zero of=${DEST_CARD}p6 bs=512 count=2048 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR"
			return 1
		fi
		sync
		mkfs.ext4 -L ${label_pref}${_part6_label} ${DEST_CARD}p6 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "mkfs ERROR"
			return 1
		fi
		sync
		sleep 1
	fi

	if [ "${INST_LINUX}" = "yes" ]; then
		# === linux =========================================================================
		printf "\033[36mlinux\033[37m... "
		dd if=/dev/zero of=${DEST_CARD}p7 bs=512 count=2048 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR"
			return 1
		fi
		sync
		if [ "${LINUX_FSTYPE}" = "btrfs" ] ; then
			mkfs.btrfs -f -L ${label_pref}linux ${DEST_CARD}p7 >> ${log_file} 2>&1
		else
			mkfs.ext4 -L ${label_pref}linux ${DEST_CARD}p7 >> ${log_file} 2>&1
		fi
		if [ $? -ne 0 ]; then
			echo "mkfs ERROR"
			return 1
		fi
		sync
		sleep 1
	fi

	/bin/partprobe -s ${DEST_CARD} >> ${log_file} 2>&1
    echo "OK"
    return 0
}
#----------------------------------------------------------------------------------------


#----------------------------------------------------------------------------
# copy Odroid boot files to installation card
install_boot_c2() {
	echo "==== INSTALL BOOT ====" >> ${log_file}
	printf "    Installing Odroid boot files ... "
	dd if=/multi/bl1.bin of=${DEST_CARD} bs=1 count=442 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR installing bl1.bin."
		return 1
	fi
	dd if=/multi/bl1.bin of=${DEST_CARD} bs=512 skip=1 seek=1 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR installing bl1.bin."
		return 1
	fi
	sync
	dd if=/multi/u-boot.bin of=${DEST_CARD} bs=512 seek=97 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR installing u-boot.bin."
		return 1
	fi
	sync
	echo "OK"
    sleep 1
}
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
# copy Odroid boot files to installation card
install_boot_xu() {
	if [ "${label_pref}" = "sd" ]; then
		printf "    Installing Odroid boot files to SD Card ... "
		dd if=/multi/bl1.bin of=${DEST_CARD} bs=512 seek=1 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing bl1.bin."
			return 1
		fi
		sync
		dd if=/multi/bl2.bin of=${DEST_CARD} seek=31 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing bl2.bin."
			return 1
		fi
		sync
		dd if=/multi/u-boot.bin of=${DEST_CARD} seek=63 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing u-boot.bin."
			return 1
		fi
		sync
		dd if=/multi/tzsw.bin of=${DEST_CARD} seek=2111 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing tzsw.bin."
			return 1
		fi
		sync
		echo "OK"
	else
		# UNLOCK boot0
		_dest_card_=$(basename ${DEST_CARD})
		printf "    Installing Odroid boot files to EMMC Card (%s [%s])... " "${DEST_CARD}" "${_dest_card_}"
		if [ -e /sys/block/${_dest_card_}boot0/force_ro ]; then
			echo 0 > /sys/block/${_dest_card_}boot0/force_ro
			if [ $? -ne 0 ]; then
				echo "ERROR enabling boot0."
				return 1
			fi
		else
			echo "ERROR: boot0 not found."
			return 1
		fi

		dd if=/dev/zero of=${DEST_CARD}boot0 count=8192 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			printf "WARNING: error erasing boot0 "
		fi
		sync

		dd if=/multi/bl1.bin of=${DEST_CARD}boot0 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing bl1.bin."
			return 1
		fi
		sync
		dd if=/multi/bl2.bin of=${DEST_CARD}boot0 seek=30 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing bl2.bin."
			return 1
		fi
		sync
		dd if=/multi/u-boot.bin of=${DEST_CARD}boot0 seek=62 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing u-boot.bin."
			return 1
		fi
		sync
		dd if=/multi/tzsw.bin of=${DEST_CARD}boot0 seek=2110 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR installing tzsw.bin."
			return 1
		fi
		sync
		echo 1 > /sys/block/${_dest_card_}boot0/force_ro
		echo "OK"
    fi
    sleep 1
}
#----------------------------------------------------------------------------


#---------------------------------------------------------------------------------------------------------
install_multi_sel() {
	echo "==== INSTALL MULTIBOOT SUPPORT ====" >> ${log_file}

	# Update userdata partition for multiboot
	/bin/mountx -t vfat ${DEST_CARD}p1 /mnt2 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "    ERROR mounting boot partition."
		return 1
	fi
	sleep 1

	mkdir /mnt2/multiboot >> ${log_file} 2>&1

	if [ ! -d /multiboot ]; then
		echo "    ERROR: missing multiboot directory."
		return 1
	fi

	if [ "${O_BOARD}" = "XU" ]; then
		cp /multiboot/boot.scr.multi /mnt2/multiboot >> ${log_file} 2>&1
		[ $? -ne 0 ] && return 1
		cp /multiboot/boot.scr.multi /mnt2/boot.scr >> ${log_file} 2>&1
		[ $? -ne 0 ] && return 1
	fi
	cp /multiboot/boot.ini.multi /mnt2/multiboot >> ${log_file} 2>&1
	[ $? -ne 0 ] && return 1
	if [ "${O_BOARD}" = "C2" ]; then
		if [ "${label_pref}" = "em" ]; then
			sed -i "s/setenv CARD_TYPE SD/setenv CARD_TYPE EMMC/g" /mnt2/multiboot/boot.ini.multi
		fi
	fi
	cp /mnt2/multiboot/boot.ini.multi /mnt2/boot.ini >> ${log_file} 2>&1
	[ $? -ne 0 ] && return 1
	cp /multiboot/${ODROID_IMAGE}.multi /mnt2/multiboot >> ${log_file} 2>&1
	[ $? -ne 0 ] && return 1
	cp /multiboot/uInitrd.multi /mnt2/multiboot >> ${log_file} 2>&1
	[ $? -ne 0 ] && return 1
	cp /multiboot/*.dtb.multi /mnt2/multiboot >> ${log_file} 2>&1
	[ $? -ne 0 ] && return 1

	if [ "${label_pref}" = "sd" ]; then
		touch /mnt2/THIS_IS_SDCARD >> ${log_file} 2>&1
	else
		touch /mnt2/THIS_IS_EMMC >> ${log_file} 2>&1
	fi

	return 0
}
#---------------------------------------------------------------------------------------------------------

#------------------------------------------------------------------------------
set_android_sizes() {
	_img_size=$(/bin/lsx -ls ${andro_dest}/system.raw.img | awk '{print $1}')
	_img_size_=$(( $_img_size / 1024 / $PARTSIZE_INC * $PARTSIZE_INC ))
	while [ $SYSTEM_MINSIZE -lt $_img_size_ ]
	do
		let SYSTEM_MINSIZE=SYSTEM_MINSIZE+PARTSIZE_INC
	done
	let SYSTEM_MINSIZE=SYSTEM_MINSIZE+256
	SYSTEM_SIZE=${SYSTEM_MINSIZE}

	_img_size=$(/bin/lsx -ls ${andro_dest}/cache.raw.img | awk '{print $1}')
	_img_size_=$(( $_img_size / 1024 / $PARTSIZE_INC * $PARTSIZE_INC ))
	while [ $CACHE_MINSIZE -lt $_img_size_ ]
	do
		let CACHE_MINSIZE=CACHE_MINSIZE+PARTSIZE_INC
	done
	CACHE_SIZE=${CACHE_MINSIZE}

	_img_size=$(/bin/lsx -ls ${andro_dest}/data.raw.img | awk '{print $1}')
	_img_size_=$(( $_img_size / 1024 / $PARTSIZE_INC * $PARTSIZE_INC ))
	while [ $DATA_MINSIZE -lt $_img_size_ ]
	do
		let DATA_MINSIZE=DATA_MINSIZE+PARTSIZE_INC
	done
	DATA_SIZE=${DATA_MINSIZE}
}
#------------------------------------------------------------------------------

#--------------------------------------------------------------------------------------------------------------------------------
check_android_backup() {
    andro_dest="${source_mount}/${BKP_PREFIX}_backup/android"

    if [ ! -f ${andro_dest}/system.raw.img ] || [ ! -f ${andro_dest}/data.raw.img ] || [ ! -f ${andro_dest}/cache.raw.img ]; then
		if [ ! -f ${andro_source}/system.raw.img ]; then
			echo "    system.img missing."
		fi
		if [ ! -f ${andro_source}/data.raw.img ]; then
			echo "    data.img missing."
		fi
		if [ ! -f ${andro_source}/cache.raw.img ]; then
			echo "    cache.img missing."
		fi
		sleep 2
		return 1
    fi
	if [ ! -f ${andro_dest}/${ODROID_IMAGE} ]; then
		echo "    KERNEL (%s) not found!" "${ODROID_IMAGE}"
		sleep 2
		return 1
    fi
	if [ "${O_BOARD}" = "C2" ] && [ ! -f ${andro_dest}/${ODROID_DTB} ]; then
		echo "    %s not found!" "${ODROID_DTB}"
		sleep 2
		return 1
    fi

    set_android_sizes
    return 0
}
#--------------------------------------------------------------------------------------------------------------------------------

# Extract Android images from tar and expand sparse image files
#----------------------------------------------------------------------------
unpack_android() {
	echo "==== UNPACK ANDROID ====" >> ${log_file}
	mkdir /run/inst >> ${log_file} 2>&1
	mkdir /run/inst/android >> ${log_file} 2>&1
	rm -rf /run/inst/android/* >> ${log_file} 2>&1

	printf "    Extracting Android partition images, please wait ... "

	if [ -f ${source_mount}/update.tar.gz ]; then
		mkdir ${source_mount}/android >> ${log_file} 2>&1
		rm -rf ${source_mount}/android/* >> ${log_file} 2>&1

		cp ${source_mount}/update.tar.gz ${source_mount}/android/update.tar.gz
		cd ${source_mount}/android
		tar -xf update.tar.gz --warning=no-timestamp >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR extracting archive."
			cd /
			return 1
		fi
		rm update.tar.gz
		_name=$(ls)
		if [ ! -d "${_name}" ]; then
			echo "install directory not found in archive!"
			cd /
			return 1
		fi
		if [ ! -f ${_name}/${ODROID_ASYSTEMIMAGE} ]; then
			echo "system.img not found!"
			cd /
			return 1
		fi
		andro_source="${source_mount}/android/${_name}"
		cd /
	elif [ -f ${source_mount}/update.zip ]; then
			mkdir ${source_mount}/android >> ${log_file} 2>&1
			rm -rf ${source_mount}/android/* >> ${log_file} 2>&1
			# unzip, dont make directories
			unzip -qq -j ${source_mount}/update.zip -d ${source_mount}/android >> ${log_file} 2>&1
			if [ $? -ne 0 ]; then
				echo "ERROR unpacking \"update.zip\"."
				return 1
			fi
			sync
			andro_source="${source_mount}/android"
	else
		echo "ERROR: archive file not found."
		return 1
	fi
	sync
	echo "OK."

	printf "    Preparing Android partition images ...\n"

	if [ ! -f ${andro_source}/${ODROID_IMAGE} ]; then
		echo "    KERNEL (${ODROID_IMAGE}) not found!"
		if [ "${O_BOARD}" = "XU" ]; then
			if [ -f ${andro_source}/zImage-dtb ]; then
				mv ${andro_source}/zImage-dtb ${andro_source}/${ODROID_IMAGE} >> ${log_file} 2>&1
				if [ $? -ne 0 ]; then
					echo "    ERROR renaming zImage-dtb"
					sleep 4
					return 1
				fi
				echo "    KERNEL zImage-dtb found, RENAMED to ${ODROID_IMAGE}."
				sleep 4
			else
				sleep 4
				return 1
			fi
		else
			sleep 4
			return 1
		fi
    fi
	if [ "${O_BOARD}" = "C2" ] && [ ! -f ${andro_source}/${ODROID_DTB} ]; then
		echo "    ${ODROID_DTB} not found!"
		sleep 2
		return 1
    fi

    if [ ! -f ${andro_source}/${ODROID_ASYSTEMIMAGE} ] || [ ! -f ${andro_source}/userdata.img ] || [ ! -f ${andro_source}/cache.img ]; then
		if [ ! -f ${andro_source}/userdata.img ]; then
			if [ ! "${O_BOARD}" = "C2" ]; then
				# CM for XU3/XU4 can have different userdata.img names
				if [ -f ${andro_source}/userdata_8.img ]; then
					mv ${andro_source}/userdata_8.img ${andro_source}/userdata.img
				else
					if [ -f ${andro_source}/userdata_16.img ]; then
						mv ${andro_source}/userdata_16.img ${andro_source}/userdata.img
					else
						if [ -f ${andro_source}/userdata_32.img ]; then
							mv ${andro_source}/userdata_32.img ${andro_source}/userdata.img
						else
							if [ -f ${andro_source}/userdata_64.img ]; then
								mv ${andro_source}/userdata_64.img ${andro_source}/userdata.img
							fi
						fi
					fi
				fi
			fi
			if [ ! -f ${andro_source}/userdata.img ]; then
				echo "    userdata.img missing."
				sleep 2
				return 1
			fi
		fi
		if [ ! -f ${andro_source}/${ODROID_ASYSTEMIMAGE} ]; then
			echo "    system.img missing."
			sleep 2
			return 1
		fi
		if [ ! -f ${andro_source}/cache.img ]; then
			echo "    cache.img missing."
			sleep 2
			return 1
		fi
    fi

    # All needed images and files are present, get sizes
	_ramfs_free=$(df | grep tmpfs | awk '{print $4}')
	_ramfs_free=$(( $_ramfs_free / 1024 - 100 ))

	_img_size=$(/bin/lsx -ls ${andro_source}/${ODROID_ASYSTEMIMAGE} | awk '{print $1}')
	size_of_images=$_img_size
	_img_size=$(/bin/lsx -ls ${andro_source}/userdata.img | awk '{print $1}')
	size_of_images=$(( $size_of_images + $_img_size))
	_img_size=$(/bin/lsx -ls ${andro_source}/cache.img | awk '{print $1}')
	size_of_images=$(( $size_of_images + $_img_size))

	size_of_images=$(( $size_of_images / 1024 ))
    if [ $size_of_images -gt $_ramfs_free ]; then
		andro_dest="${andro_source}"
		echo "    Decompressing to source drive (${size_of_images} MB)"
    else
		andro_dest="/run/inst/android"
		echo "    Decompressing to RAMfs (${size_of_images} MB)"
		cp ${andro_source}/${ODROID_DTB} ${andro_dest} >> ${log_file} 2>&1
		cp ${andro_source}/${ODROID_IMAGE} ${andro_dest} >> ${log_file} 2>&1
		sync
    fi

	# === Decompress sparse images ===
	printf "    system ... "
	simg2img ${andro_source}/${ODROID_ASYSTEMIMAGE} ${andro_dest}/system.raw.img >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR."
		return 1
	fi
	sync
	rm ${andro_source}/${ODROID_ASYSTEMIMAGE}

	printf "cache... "
	simg2img ${andro_source}/cache.img ${andro_dest}/cache.raw.img >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR."
		return 1
	fi
	sync
	rm ${andro_source}/cache.img

	printf "data... "
	simg2img ${andro_source}/userdata.img ${andro_dest}/data.raw.img >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR."
		return 1
	fi
	sync
	rm ${andro_source}/userdata.img

	echo "OK."

	set_android_sizes
    return 0
}
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------------------------------------------
install_android() {
	if [ "${UPGRADE_ANDROID}" = "yes" ]; then
		echo "==== UPGRADING ANDROID ====" >> ${log_file}
		printf "\n    \033[33mUPGRADING \033[1mAndroid\033[22m\033[37m"
	else
		echo "==== INSTALL ANDROID ====" >> ${log_file}
		printf "\n    \033[33mInstalling \033[1mAndroid\033[22m\033[37m"
	fi
    if [ -d ${source_mount}/backup/android/system ]; then
		printf " (from backup)\n"
	else
		printf "\n"
	fi

	mkdir /mnt1 >> ${log_file} 2>&1
	mkdir /mnt2 >> ${log_file} 2>&1

	# === Copy system partition ===
	printf "    Installing \033[36msystem\033[37m ... "
	# mount source
	mount -t ext4 -o ro,loop ${andro_dest}/system.raw.img /mnt1 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR mounting system image."
		return 1
	fi
	# mount destination
	if [ "${UPGRADE_ANDROID}" = "yes" ]; then
		mount -t ext4 ${_dest_system} /mnt2 >> ${log_file} 2>&1
	else
		mount -t ext4 ${DEST_CARD}p2 /mnt2 >> ${log_file} 2>&1
	fi
	if [ $? -ne 0 ]; then
		umount /mnt1 >> ${log_file} 2>&1
		echo "ERROR mounting system partition."
		return 1
	fi
	sleep 1

	if [ "${UPGRADE_ANDROID}" = "yes" ]; then
		rm -rfd /mnt2/* >> ${log_file} 2>&1
	fi

	rsync -r -t -p -o -g -x -l -H -D --numeric-ids -s -A -X --no-specials /mnt1/ /mnt2/ >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		umount /mnt1 >> ${log_file} 2>&1
		umount /mnt2 >> ${log_file} 2>&1
		echo "ERROR copying system."
		return 1
	fi
	sync

	echo "==== PREPARE ANDROID FOR MULTIBOOT ====" >> ${log_file}
    # === Prepare fstab for changed partition layout ===
    if [ -f /mnt2/${ODROID_FSTAB} ]; then
		if [ "${O_BOARD}" = "C2" ]; then
			# Change data partition number (4 -> 5)
			cat /mnt2/${ODROID_FSTAB} | sed "s/\/dev\/block\/mmcblk0p4/\/dev\/block\/mmcblk0p5/g" > _fstab_
			cp _fstab_ /mnt2/${ODROID_FSTAB}
			rm _fstab_
		else
			cp /mnt2/${ODROID_FSTAB} /mnt2/${ODROID_FSTAB}.original
			cp /mnt2/${ODROID_FSTAB}.sdboot /mnt2/${ODROID_FSTAB}.sdboot.original
			# Change data partition number (3 -> 5)
			sed -i "s/\/dev\/block\/mmcblk0p3/\/dev\/block\/mmcblk0p5/g" /mnt2/${ODROID_FSTAB}
			# Change cache partition number (4 -> 3)
			sed -i "s/\/dev\/block\/mmcblk0p4/\/dev\/block\/mmcblk0p3/g" /mnt2/${ODROID_FSTAB}

			cp /mnt2/${ODROID_FSTAB} /mnt2/${ODROID_FSTAB}.other
			sed -i "s/\/dev\/block\/mmcblk0/\/dev\/block\/mmcblk1/g" /mnt2/${ODROID_FSTAB}.other
			sed -i "s/12200000.dwmmc0\/mmc_host\/mmc0/12200000.dwmmcX\/mmc_host\/mmcX/g" /mnt2/${ODROID_FSTAB}.other
			sed -i "s/12220000.dwmmc2\/mmc_host\/mmc1/12200000.dwmmc0\/mmc_host\/mmc0/g" /mnt2/${ODROID_FSTAB}.other
			sed -i "s/12200000.dwmmcX\/mmc_host\/mmcX/12220000.dwmmc2\/mmc_host\/mmc1/g" /mnt2/${ODROID_FSTAB}.other

			sed -i "s/sdcard0:1,noemulatedsd/sdcard1:1,noemulatedsd/g" /mnt2/${ODROID_FSTAB}
			sed -i "s/sdcard1:auto/sdcard0:auto/g" /mnt2/${ODROID_FSTAB}
			cp /mnt2/${ODROID_FSTAB} /mnt2/${ODROID_FSTAB}.orig
		fi
	else
		echo "ERROR: ${ODROID_FSTAB} not found"
		umount /mnt1 >> ${log_file} 2>&1
		umount /mnt2 >> ${log_file} 2>&1
		return 1
    fi

	if [ ! "${UPGRADE_ANDROID}" = "yes" ]; then
		if [ "${label_pref}" = "sd" ]; then
			touch /mnt2/THIS_IS_SDCARD >> ${log_file} 2>&1
		else
			touch /mnt2/THIS_IS_EMMC >> ${log_file} 2>&1
		fi
	fi

    umount /mnt1 >> ${log_file} 2>&1
    umount /mnt2 >> ${log_file} 2>&1
    sleep 1
    printf "OK  "

	if [ ! "${UPGRADE_ANDROID}" = "yes" ]; then
		# === Copy data partition ===
		printf "\033[36mdata\033[37m ... "
		# mount source
		mount -t ext4 -o ro,loop ${andro_dest}/data.raw.img /mnt1 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR mounting data image."
			return 1
		fi
		# mount destination
		mount -t ext4 ${DEST_CARD}p${ADATA_PART} /mnt2 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			umount /mnt1 >> ${log_file} 2>&1
			echo "ERROR mounting data partition."
			return 1
		fi
		sleep 1

		rsync -r -t -p -o -g -x -l -H -D --numeric-ids -s -A -X --no-specials /mnt1/ /mnt2/ >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			umount /mnt1 >> ${log_file} 2>&1
			umount /mnt2 >> ${log_file} 2>&1
			echo "ERROR copying userdata."
			return 1
		fi
		sync
		umount /mnt1 >> ${log_file} 2>&1
		umount /mnt2 >> ${log_file} 2>&1
		sleep 1
		printf "OK  "
    else
        if [ "${_erase_data}" = "yes" ]; then
            printf "\033[36merasing data\033[37m ... "
            # mount destination
    		mount -t ext4 ${_dest_data} /mnt2 >> ${log_file} 2>&1
    		if [ $? -ne 0 ]; then
    			printf "ERROR mounting  "
            else
                rm -rf /mnt2/* >> ${log_file} 2>&1
                if [ $? -ne 0 ]; then
                    printf "ERROR erasing  "
                else
                    printf "OK  "
                fi
    		fi
        fi
	fi

	# === Copy cache partition ===
	printf "\033[36mcache\033[37m ... "
	# mount destination
	if [ "${UPGRADE_ANDROID}" = "yes" ]; then
		mount -t ext4 ${_dest_cache} /mnt2 >> ${log_file} 2>&1
	else
		mount -t ext4 ${DEST_CARD}p${ACACHE_PART} /mnt2 >> ${log_file} 2>&1
	fi
	if [ $? -ne 0 ]; then
		umount /mnt1 >> ${log_file} 2>&1
		echo "ERROR mounting cache partition."
		return 1
	fi
	sleep 1
	if [ ! "${UPGRADE_ANDROID}" = "yes" ]; then
		# mount source
		mount -t ext4 -o ro,loop ${andro_dest}/cache.raw.img /mnt1 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR mounting cache image."
			return 1
		fi

		rsync -r -t -p -o -g -x -l -H -D --numeric-ids -s -A -X --no-specials /mnt1/ /mnt2/ >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			umount /mnt1 >> ${log_file} 2>&1
			umount /mnt2 >> ${log_file} 2>&1
			echo "ERROR copying cache."
			return 1
		fi
	else
		rm -rfd /mnt2/* >> ${log_file} 2>&1
	fi
	sync
	umount /mnt1 >> ${log_file} 2>&1
	umount /mnt2 >> ${log_file} 2>&1
	sleep 1
	printf "OK\n"

	# Prepare for multiboot
	printf "    Preparing for multi boot ... "

	/bin/mountx -t vfat ${DEST_CARD}p1 /mnt2 >> ${log_file} 2>&1
	if [ $? -ne 0 ]; then
		echo "ERROR mounting userdata partition."
		return 1
	fi
	sleep 1

	if [ ! "${UPGRADE_ANDROID}" = "yes" ]; then
		mkdir /mnt2/multiboot >> ${log_file} 2>&1

		if [ "${A_FROMDIR}" = "yes" ]; then
			cp -rf ${andro_dest}/userdir/* /mnt2 >> ${log_file} 2>&1
		fi

		cp /multi/boot.ini.android /mnt2/multiboot >> ${log_file} 2>&1
		[ ! -f /mnt2/multiboot/boot.ini.android ] && print "ini file? "
	elif [ ! -f /mnt2/multiboot/boot.ini.android ]; then
		cp /multi/boot.ini.android /mnt2/multiboot >> ${log_file} 2>&1
		[ ! -f /mnt2/multiboot/boot.ini.android ] && print "ini file? "
	fi

	cp -f ${andro_dest}/${ODROID_DTB} /mnt2/multiboot/${ODROID_DTB}.android >> ${log_file} 2>&1
	cp -f ${andro_dest}/${ODROID_IMAGE} /mnt2/multiboot/${ODROID_IMAGE}.android >> ${log_file} 2>&1
	if [ "${O_BOARD}" = "XU" ]; then
		cp -f ${andro_dest}/${ODROID_IMAGE} /mnt2/multiboot/${ODROID_IMAGE}.andro_1 >> ${log_file} 2>&1
		# PATCH zImage !!
		sed -i 's/mmcblk0p2/mmcblk1p2/g' /mnt2/multiboot/${ODROID_IMAGE}.andro_1 >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR PATCHING Android kernel."
			return 1
		fi
	fi

	sync
	umount /mnt2 >> ${log_file} 2>&1
	sleep 1
	echo "OK."

    return 0
}
#----------------------------------------------------------------------------------------------------------------


#-------------------------------------------------------------------------
# Calculate partitions offsets and sizes of the linux installation image
get_lin_partstruct() {
	echo "==== CHECK LINUX IMAGE ====" >> ${log_file}
    printf "    Checking Linux image ... "
    _card_sectno=`fdisk -l ${1} | grep "Disk ${1}" | awk '{print $7}'`
    if [ "${_card_sectno}" = "" ]; then
        _card_sectno=`fdisk -l ${1} | grep total | awk '{print $8}'`
    fi
    if [ "${_card_sectno}" = "" ]; then
        echo "ERROR: sectNo?"
        return 1
    fi
    #_card_end=$(( $_card_sectno - 1024))

    _card_sectsize=`fdisk -l ${1} | grep "Sector size" | awk '{print $4}'`
    if [ "${_card_sectsize}" = "" ]; then
        echo "ERROR: sectSize?"
        return 1
    fi

    _partstart=`fdisk -l ${1} | grep ${1}1 | awk '{print $2}'`
    if [ "${_partstart}" = "" ]; then
        echo "ERROR: FATpartStart?"
        return 1
    fi
    _fat_partstart=$(( $_partstart * $_card_sectsize ))
    _partstart=`fdisk -l ${1} | grep ${1}2 | awk '{print $2}'`
    if [ "${_partstart}" = "" ]; then
        echo "ERROR: LINpartStart?"
        return 1
    fi
    _linux_partstart=$(( $_partstart * $_card_sectsize ))

    echo "OK."
    return 0
}
#-------------------------------------------------------------------------


#----------------------------------------------------------------------------------------------------------------------------
prepare_linux_boot() {
	echo "==== PREPARE LINUX BOOT ====" >> ${log_file}
    # Prepare for multi boot
    if [ -d /mnt2/etc ]; then
        if [ "${LINUX_FSTYPE}" = "btrfs" ] ; then
            echo "LABEL=${label_pref}linux  /       btrfs   noatime,nodiratime,compress=lzo  0 1" > /mnt2/etc/fstab
        else
            echo "LABEL=${label_pref}linux  /       ext4    errors=remount-ro,noatime,nodiratime  0 1" > /mnt2/etc/fstab
        fi
        echo "LABEL=${label_pref}userdata   /media/boot vfat    defaults        0   1" >> /mnt2/etc/fstab

		if [ -f /mnt2/etc/rc.local ]; then
			cat /mnt2/etc/rc.local | sed "s/^exit 0//g" > _rcloc_
			if [ -f /mnt2/.first_boot ]; then
				echo "if [ -f /.first_boot ]; then" >> _rcloc_
				echo "  rm -f /.first_boot" >> _rcloc_
				echo "  [ ! -f /etc/ssh/ssh_host_rsa_key ] && dpkg-reconfigure openssh-server" >> _rcloc_
				echo "fi" >> _rcloc_
			fi
			echo "exit 0" >> _rcloc_
			cp _rcloc_ /mnt2/etc/rc.local
			rm _rcloc_
			chmod 0755 /mnt2/etc/rc.local
			if [ -f /mnt2/aafirstboot ]; then
				rm -f /mnt2/aafirstboot
			fi
		fi
    else
        echo "ERROR: \"etc\" directory not found!"
        return 1
    fi

    if [ -d /mnt2/media/odroid ]; then
		chown 1000:1000 /mnt2/media/odroid >> ${log_file} 2>&1
		chmod 0666 /mnt2/media/odroid >> ${log_file} 2>&1
    fi

	return 0
}
#----------------------------------------------------------------------------------------------------------------------------


#----------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2050
install_linux() {
	echo "==== INSTALL LINUX ====" >> ${log_file}

	local lin_fromdir="no"
	if [ "${1}" = "linux.img" ] && [ "${L_FROMDIR}" = "yes" ]; then
		lin_fromdir="yes"
	elif [ "${1}" = "linux2.img" ] && [ "${L2_FROMDIR}" = "yes" ]; then
		lin_fromdir="yes"
	fi

	if [ "${1}" = "linux2.img" ]; then
		printf "\n    \033[33mInstalling \033[1mLinux 2\033[22m\033[37m\n"
	else
		printf "\n    \033[33mInstalling \033[1mLinux\033[22m\033[37m\n"
	fi

	if [ "${lin_fromdir}" = "no" ]; then
		get_lin_partstruct "/mnt/${1}"
		if [ $? -ne 0 ]; then
			printf "    \033[35mWRONG Linux image partition structure!\033[37m\n"
			return 1
		fi
		sleep 1
	fi

    mkdir /mnt1 >> ${log_file} 2>&1
    mkdir /mnt2 >> ${log_file} 2>&1

    local _linpart="p7"
    local _linsufix=""
    if [ "${1}" = "linux2.img" ]; then
		_linpart="p6"
		_linsufix="2"
	fi

    # === Copy Linux partition ===
	printf "    \033[35mcopying Linux can take more than 15 min to complete on SDCard!\033[37m\n"
    printf "    Installing Linux root file system ... "

    if [ "${lin_fromdir}" = "no" ]; then
		/bin/mountx -t ext4 -o ro,loop,offset=${_linux_partstart} ${source_mount}/${1} /mnt1
		if [ $? -ne 0 ]; then
			echo "    ERROR mounting Linux source image."
			return 1
		fi
	else
		/bin/mountx -t ext4 ${source_mount}/${BKP_PREFIX}_backup/linux${_linsufix}/linux.img /mnt1
		if [ $? -ne 0 ]; then
			echo "    ERROR mounting Linux backup image."
			return 1
		fi
	fi

    if [ "${LINUX_FSTYPE}" = "btrfs" ] ; then
        /bin/mountx -t btrfs -o compress-force=lzo ${DEST_CARD}${_linpart} /mnt2
    else
        /bin/mountx -t ext4 ${DEST_CARD}${_linpart} /mnt2
    fi
    if [ $? -ne 0 ]; then
        umount /mnt1 >> ${log_file} 2>&1
        echo "    ERROR mounting Linux destination partition."
        return 1
    fi

    printf "copying... "
    rsync -r -t -p -o -g -x -l -H -D --numeric-ids -s --stats /mnt1/ /mnt2/ >> ${log_file} 2>&1
    if [ $? -ne 0 ]; then
        umount /mnt1 >> ${log_file} 2>&1
        umount /mnt2 >> ${log_file} 2>&1
        echo "ERROR copying Linux."
        return 1
    fi
    sync

    printf "preparing... "
    prepare_linux_boot
    if [ $? -ne 0 ]; then
        umount /mnt1 >> ${log_file} 2>&1
        umount /mnt2 >> ${log_file} 2>&1
        return 1
    fi

    umount /mnt1 >> ${log_file} 2>&1
    umount /mnt2 >> ${log_file} 2>&1
    sleep 1
    echo "OK"

    # === Update userdata partition for Linux multiboot ===
    printf "    Copying Linux boot files ... "

    local boot_src="/mnt1"
    if [ "${lin_fromdir}" = "no" ]; then
		/bin/mountx -t vfat -o ro,loop,offset=${_fat_partstart} ${source_mount}/${1} /mnt1
		if [ $? -ne 0 ]; then
			echo "ERROR mounting Linux boot image."
			return 1
		fi
	else
		boot_src="${source_mount}/${BKP_PREFIX}_backup/linux${_linsufix}"
	fi

    /bin/mountx -t vfat ${DEST_CARD}p1 /mnt2 >> ${log_file} 2>&1
    if [ $? -ne 0 ]; then
        umount /mnt1 >> ${log_file} 2>&1
        echo "ERROR mounting boot partition."
        return 1
    fi
	sync
    sleep 1

    # Prepare boot.ini
    if [ -f ${boot_src}/${ODROID_DTB} ] && [ -f ${boot_src}/${ODROID_IMAGE} ] && [ -f ${boot_src}/uInitrd ]; then
		mkdir /mnt2/multiboot >> ${log_file} 2>&1
		cp /multi/boot.ini.linux${_linsufix} /mnt2/multiboot/boot.ini.linux${_linsufix}
		cat /mnt2/multiboot/boot.ini.linux${_linsufix} | sed "s/root=LABEL=XXlinux/root=LABEL=${label_pref}linux/g"  > _bini_
		cp _bini_ /mnt2/multiboot/boot.ini.linux${_linsufix}
		cp ${boot_src}/${ODROID_DTB} /mnt2/multiboot/${ODROID_DTB}.linux${_linsufix} >> ${log_file} 2>&1
		cp ${boot_src}/${ODROID_IMAGE} /mnt2/multiboot/${ODROID_IMAGE}.linux${_linsufix} >> ${log_file} 2>&1
		cp ${boot_src}/uInitrd /mnt2/multiboot/uInitrd.linux${_linsufix} >> ${log_file} 2>&1
        rm _bini_ >> ${log_file} 2>&1

    else
        echo "ERROR: not all Linux boot files found! "
		umount /mnt1 >> ${log_file} 2>&1
		umount /mnt2 >> ${log_file} 2>&1
		return 1
    fi

    umount /mnt1 >> ${log_file} 2>&1
    umount /mnt2 >> ${log_file} 2>&1
    sleep 1
    echo "OK"
}
#----------------------------------------------------------------------------------------------------------


#------------------------------------------------------------------------------------------------------------------------------------------------------
# shellcheck disable=SC2059
install_oelec() {
	echo "==== INSTALL OpenElec ====" >> ${log_file}
	printf "\n    \033[33mInstalling \033[1mOpenELEC\033[22m\033[37m\n"

	_oelec_source="/run/oelec"

	if [ "${O_FROMDIR}" = "yes" ]; then
		_name="${source_mount}/${BKP_PREFIX}_backup/oelec"

		if [ -f ${_name}/oelec.img ]; then
			printf "    Restoring oelec partition... "
			mkdir /oelecbkp >> ${log_file} 2>&1
			/bin/mountx -t ext4 ${_name}/oelec.img /oelecbkp >> ${log_file} 2>&1
			if [ $? -eq 0 ]; then
				/bin/mountx ${DEST_CARD}p6 /mnt2 > /dev/null 2>&1
				if [ $? -eq 0 ]; then
					rsync -r -t -p -o -g -x -l -H -D --numeric-ids -s --stats /oelecbkp/ /mnt2/ > /dev/null 2>&1
					if [ $? -ne 0 ]; then
						echo "ERROR: copy"
					else
						echo "OK"
					fi
				fi
			else
				echo "ERROR: mount"
			fi
			umount /oelecbkp >> ${log_file} 2>&1
			umount /mnt2 >> ${log_file} 2>&1
			rmdir /oelecbkp >> ${log_file} 2>&1
		fi
	else
		_ramfs_free=$(df | grep tmpfs | awk '{print $4}')
		_ramfs_free=$(( $_ramfs_free / 1024 - 100 ))
		_tarsize_=$(/bin/tar -vtf ${source_mount}/oelec.tar |awk '{SUM += $3} END {print SUM}')
		_tarsize_=$(( $_tarsize_ / 1024 / 1024 ))

		printf "    Unpacking archive "
		if [ $_tarsize_ -lt $_ramfs_free ]; then
			mkdir /run/oelec >> ${log_file} 2>&1
			printf "to RAMfs  (${_tarsize_}M) ... "
		else
			mkdir ${source_mount}/tmp_oelec >> ${log_file} 2>&1
			_oelec_source="${source_mount}/tmp_oelec"
			printf "to source drive  (${_tarsize_}M) ... "
		fi
		rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1

		cd ${_oelec_source}
		/bin/tar -xf ${source_mount}/oelec.tar --warning=no-timestamp >> ${log_file} 2>&1
		if [ $? -ne 0 ]; then
			echo "ERROR extracting archive."
			cd /
			rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
			return 1
		fi
		_name=$(ls)
		echo "OK."
	fi

	printf "    Copying files from %s ... " "${_name}"
	if [ ! -f ${_name}/3rdparty/bootloader/${ODROID_DTB} ]; then
		echo "ERROR: ${ODROID_DTB} not found!"
		cd /
		[ ! "${O_FROMDIR}" = "yes" ] && rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
		return 1
	fi
	if [ ! -f ${_name}/target/KERNEL ] || [ ! -f ${_name}/target/SYSTEM ]; then
		echo "ERROR SYSTEM or KERNEL not found"
		cd /
		[ ! "${O_FROMDIR}" = "yes" ] && rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
		return 1
	fi
	if [ ! "${O_BOARD}" = "C2" ]; then
		if [ ! -f ${_name}/target/INITRD ]; then
			echo "ERROR: INITRD not found!"
			cd /
			[ ! "${O_FROMDIR}" = "yes" ] && rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
			return 1
		fi
	fi
	echo "OK."

    # Update userdata partition for OpenELEC multiboot
	printf "    Copying OpenELEC files ... "
    /bin/mountx -t vfat ${DEST_CARD}p1 /mnt2 >> ${log_file} 2>&1
    if [ $? -ne 0 ]; then
        echo "ERROR mounting boot partition."
		[ ! "${O_FROMDIR}" = "yes" ] && rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
        return 1
    fi
    sleep 1

    mkdir /mnt2/multiboot >> ${log_file} 2>&1

    #cp /multi/INITRD /mnt2/multiboot
	cp ${_name}/target/KERNEL /mnt2/multiboot
	if [ ! "${O_BOARD}" = "C2" ]; then
		cp ${_name}/target/INITRD /mnt2/multiboot
	fi
	cp ${_name}/target/SYSTEM /mnt2
	cp ${_name}/3rdparty/bootloader/${ODROID_DTB} /mnt2/multiboot/${ODROID_DTB}.oelec

    cd /

	cp /multi/boot.ini.oelec /mnt2/multiboot
	cat /mnt2/multiboot/boot.ini.oelec | sed "s/boot=LABEL=userdata disk=LABEL=oelec/boot=LABEL=${label_pref}userdata disk=LABEL=${label_pref}${_part6_label}/g" > _bsel_
	cp _bsel_ /mnt2/multiboot/boot.ini.oelec
	rm _bsel_
	sync

    umount /mnt2 >> ${log_file} 2>&1
    echo "OK."

	[ ! "${O_FROMDIR}" = "yes" ] && rm -rf ${_oelec_source:?}/* >> ${log_file} 2>&1
	return 0
}
#------------------------------------------------------------------------------------------------------------------------------------------------------


#-----------------------------------------------------------------------------------------------------------------
check_inst() {
	# INSTALLATION DRIVE IS MOUNTED ON /MNT
	if [ "${INST_ANDROID}" != "yes" ] && [ "${INST_LINUX}" != "yes" ]; then
		printf "    \033[33m\033[1mNo installation file found!\033[22m\033[37m\n"
		printf "    \033[33m\033[1mTo install from image\033[22m\033[37m\n"
		printf "    \033[33m\033[1m\"update.zip\" and/or \"linux.img\" must be on source drive.\033[22m\033[37m\n"
		printf "    \033[33m\033[1mInstallation aborted.\033[22m\033[37m\n"
		umount ${source_mount} > /dev/null 2>&1
		exit_script
	fi
}
#-----------------------------------------------------------------------------------------------------------------


# ====================================================================================================
# START
# ====================================================================================================

#=======================================================================
if [ "${UPGRADE_ANDROID}" = "yes" ]; then
	echo "==== UNPACK AND DECOMPRESS ANDROID IMAGES ====" >> ${log_file}
	print_header
	printf "\n    ANDROID UPGRADE\n\n"

	if [ ! -b /dev/disk/by-label/sdsystem ] && [ ! -b /dev/disk/by-label/emsystem ]; then
		printf "    \033[35mANDROID not installed on any card!\033[37m\n"
		exit_script
	fi

	_num_androinst=1
	if [ -b /dev/disk/by-label/sdystem ] && [ -b /dev/disk/by-label/emystem ]; then
		_num_androinst=2
	fi
	if [ $_num_androinst -eq 2 ]; then
		printf "    \033[36mAdndroid installation on two cards detected\033[37m\n\n"
		printf "    \033[36m\033[1m1\033[22m Android on SDcard\033[37m\n"
		printf "    \033[36m\033[1m2\033[22m Android on EMMC\033[37m\n\n"
		printf "    \033[36mWhich one to upgrade ? (pres \033[1mE\033[22m to abort)\033[36m"
		A="x"
		while true; do
			if read -n 1 -t 1 -s A; then
				if [ "${A}" = "1" ]; then
					_dest_system="/dev/disk/by-label/sdystem"
					_dest_cache="/dev/disk/by-label/sdcache"
                    _dest_data="/dev/disk/by-label/sddata"
					break
				elif [ "${A}" = "2" ]; then
					_dest_system="/dev/disk/by-label/emystem"
					_dest_cache="/dev/disk/by-label/emcache"
                    _dest_data="/dev/disk/by-label/emdata"
					break
				elif [ "${A}" = "E" ]; then
					exit 0
				fi
			fi
		done
	else
		if [ -b /dev/disk/by-label/sdystem ]; then
			_dest_system="/dev/disk/by-label/sdystem"
			_dest_cache="/dev/disk/by-label/sdcache"
            _dest_data="/dev/disk/by-label/sddata"
		else
			_dest_system="/dev/disk/by-label/emystem"
			_dest_cache="/dev/disk/by-label/emcache"
            _dest_data="/dev/disk/by-label/emdata"
		fi
    fi
    printf "\n    \033[36mDo you want to erase data partition ?\033[37m\n"
    printf "    \033[36mPress \033[1mY\033[22m to erase, \033[1mN\033[22m to leave it \033[36m"
    A="x"
    while true; do
        if read -n 1 -t 1 -s A; then
            if [ "${A}" = "Y" ]; then
                _erase_data="yes"
                break
            elif [ "${A}" = "N" ]; then
                _erase_data="no"
                break
            fi
        fi
    done

	# Unpack and decompress android install images to RAM or disk
	unpack_android
	if [ $? -ne 0 ]; then
		printf "    \033[35mANDROID cannot be upgraded!\033[37m\n"
		rm -rf rm ${source_mount}/android/* >> ${log_file} 2>&1
		rmdir rm ${source_mount}/android >> ${log_file} 2>&1
		exit_script
	fi
	rm -rf rm ${source_mount}/android/* >> ${log_file} 2>&1
	rmdir rm ${source_mount}/android >> ${log_file} 2>&1

	install_android
	if [ $? -ne 0 ]; then
		printf "    \033[35mERROR UPGRADING ANDROID!\033[37m\n"
	else
		printf "    \033[36mAndroid UPGRADED\033[37m\n"
	fi

	rm -rf /run/inst/android/* >> ${log_file} 2>&1
	rmdir /run/inst/android >> ${log_file} 2>&1

	exit_script
fi
#=======================================================================

set_cardsize
print_header

check_inst

#----------------------------------------------------------------
if [ "${INST_ANDROID}" = "yes" ]; then
	if [ "${A_FROMDIR}" = "yes" ]; then
		check_android_backup
		if [ $? -ne 0 ]; then
			echo "    ANDROID won't be installed!"
			INST_ANDROID="no"
			if [ "${INST_LINUX}" = "yes" ] && [ "${INST_ANDROID}" != "yes" ] && [ "${INST_OELEC}" != "yes" ] && [ "${INST_LINUX2}" != "yes" ]; then
				ONLY_LINUX="yes"
				MULTI_BOOT="no"
			fi
			if [ "${INST_ANDROID}" = "yes" ] && [ "${INST_LINUX}" != "yes" ] && [ "${INST_OELEC}" != "yes" ]; then
				ONLY_ANDROID="yes"
				MULTI_BOOT="no"
			fi
			sleep 1
		fi
	else
		echo "==== UNPACK AND DECOMPRESS ANDROID IMAGES ====" >> ${log_file}
		# Unpack and decompress android install images to RAM or disk
		unpack_android
		if [ $? -ne 0 ]; then
			echo "    ANDROID won't be installed!"
			INST_ANDROID="no"
			if [ "${INST_LINUX}" = "yes" ] && [ "${INST_ANDROID}" != "yes" ] && [ "${INST_OELEC}" != "yes" ] && [ "${INST_LINUX2}" != "yes" ]; then
				ONLY_LINUX="yes"
				MULTI_BOOT="no"
			fi
			if [ "${INST_ANDROID}" = "yes" ] && [ "${INST_LINUX}" != "yes" ] && [ "${INST_OELEC}" != "yes" ]; then
				ONLY_ANDROID="yes"
				MULTI_BOOT="no"
			fi
			sleep 1
		fi
		rm -rf rm ${source_mount}/android/* >> ${log_file} 2>&1
		rmdir rm ${source_mount}/android >> ${log_file} 2>&1
	fi
    sleep 2
fi
#----------------------------------------------------------------

print_header
check_inst
print_settings

#---- Main menu -------------------
_inst_delay=${INST_DELAY}

# shellcheck disable=SC2059
while [ $_inst_delay -gt 0 ]; do
    [ $INST_DELAY -lt 60 ] && printf "    Auto start install in $_inst_delay sec       \r"
    A="z"
    if read -n 1 -t 1 -s A; then
		_inst_delay=${INST_DELAY}
		if [ "${A}" = "1" ] && [ "${TWO_CARDS}" = "yes" ]; then
			print_header
			set_dest
			print_header
			print_settings
		elif [ "${A}" = "2" ] && [ "${INST_LINUX}" = "yes" ]; then
			print_header
			set_userdatasize
			print_header
			print_settings
		elif [ "${A}" = "3" ] && [ "${INST_ANDROID}" = "yes" ]; then
			print_header
			set_systemsize
			print_header
			print_settings
		elif [ "${A}" = "4" ] && [ "${INST_ANDROID}" = "yes" ]; then
			print_header
			set_datasize
			print_header
			print_settings
		elif [ "${A}" = "5" ] && [ "${INST_ANDROID}" = "yes" ]; then
			print_header
			set_cachesize
			print_header
			print_settings
		elif [ "${A}" = "6" ] && [ "${MULTI_BOOT}" = "yes" ]; then
			print_header
			set_oelecsize
			print_header
			print_settings
		elif [ "${A}" = "t" ] && [ "${INST_LINUX}" = "yes" ]; then
			print_header
			set_linfstype
			print_header
			print_settings
		elif [ "${A}" = "E" ]; then
			echo ""
			_reboot_delay=10
			while [ $_reboot_delay -gt 0 ]; do
				printf "    \033[33m\033[1mEXIT in $_reboot_delay sec, press \033[22ma\033[1m to abort, \033[22me\033[1m to exit \033[22m\033[37m\r"
				if read -n 1 -t 1 -s B; then
					_reboot_delay=10
					if [ "${B}" = "a" ] || [ "${B}" = "A" ]; then
						break
					elif [ "${B}" = "e" ] || [ "${B}" = "E" ]; then
						_reboot_delay=0
						break
					fi
				else
					let _reboot_delay=_reboot_delay-1
				fi
			done
			if [ $_reboot_delay -eq 0 ]; then
				umount ${source_mount} > /dev/null 2>&1
				exit 0
			else
				print_header
				print_settings
			fi
		elif [ "${A}" = "I" ]; then
			echo ""
			_reboot_delay=15
			while [ $_reboot_delay -gt 0 ]; do
				printf "    \033[31m\033[1mWARNING: !! ALL DATA ON ${DEST_EMMC} CARD WILL BE ERASED !!, PRESS Y TO CONTINUE\033[22m\033[37m\r"
				B="Z"
				if read -n 1 -t 1 -s B; then
					break
				else
					let _reboot_delay=_reboot_delay-1
				fi
			done
			if [ "${B}" = "Y" ]; then
				break
			else
				print_header
				print_settings
			fi
		elif [ "${A}" = "s" ]; then
			# SCREENSHOT ===
			fbcat > /install.ppm
		fi
    else
		[ $INST_DELAY -lt 60 ] && let _inst_delay=_inst_delay-1
    fi
done


# --- Set partition label prefix ---
if [ "${DEST_EMMC}" = "EMMC" ]; then
    label_pref="em"
else
    label_pref="sd"
fi

if [ "${INST_ANDROID}" != "yes" ] && [ "${INST_LINUX}" != "yes" ] && [ "${INST_OELEC}" != "yes" ]; then
    printf "    \033[33m\033[1mNothing to install!\033[22m\033[37m\n"
    printf "    \033[33m\033[1mAndroid or Linux must be installed!\033[22m\033[37m\n"
    printf "    \033[33m\033[1mInstallation aborted.\033[22m\033[37m\n"
	umount ${source_mount} > /dev/null 2>&1
	exit_script
fi
# --------------------------------------------------------------------------------------------------------------------

print_header

# --- Partition and format the card ----------------------------
prepare_card
if [ $? -ne 0 ]; then
    printf "    \033[35mERROR PREPARING SD/EMMC CARD!\033[37m\n"
else
	# shellcheck disable=SC2059
	# install bootloader
	if [ "${O_BOARD}" = "C2" ]; then
		install_boot_c2
	else
		install_boot_xu
	fi
	if [ $? -eq 0 ]; then
		if [ "${INST_ANDROID}" = "yes" ]; then
			# --- Install Android ---
			install_android
			if [ $? -ne 0 ]; then
				printf "    \033[35mERROR INSTALLING ANDROID!\033[37m\n"
			else
				printf "    \033[36mAndroid PREPARED!\033[37m\n"
				printf "    \033[35mFIRST BOOT CAN TAKE MORE THAN 5 MIN TO COMPLETE!\033[37m\n"
			fi
			rm -rf /run/inst/android/* >> ${log_file} 2>&1
			rmdir /run/inst/android >> ${log_file} 2>&1
		fi

		if [ "${INST_LINUX}" = "yes" ]; then
			# --- Install Linux ---
			install_linux "linux.img"
			if [ $? -ne 0 ]; then
				printf "    \033[35mERROR INSTALLING LINUX!\033[37m\n"
			else
				printf "    \033[36mLinux PREPARED!\033[37m\n"
			fi
		fi

		if [ "${INST_LINUX2}" = "yes" ]; then
			# --- Install Linux ---
			install_linux "linux2.img"
			if [ $? -ne 0 ]; then
				printf "    \033[35mERROR INSTALLING LINUX 2!\033[37m\n"
			else
				printf "    \033[36mLinux 2 PREPARED!\033[37m\n"
			fi
		fi

		if [ "${INST_OELEC}" = "yes" ]; then
			# --- Install OpenELEC ---
			install_oelec
			if [ $? -ne 0 ]; then
				printf "    \033[35mERROR INSTALLING OpenELEC!\033[37m\n"
			else
				printf "    \033[36mOpenELEC PREPARED!\033[37m\n"
			fi
		fi

		printf "\n    \033[33mInstalling \033[1mMulti Boot support\033[22m\033[37m\n"
		install_multi_sel
		if [ $? -ne 0 ]; then
			printf "    \033[35mERROR INSTALLING Multi Boot!\033[37m\n"
		else
			printf "    \033[36m%s CARD PREPARED FOR MULTI BOOT!\033[37m\n" "${DEST_EMMC}"
		fi
		umount /mnt2 >> ${log_file} 2>&1
	fi
fi

echo ""
umount ${source_mount} > /dev/null 2>&1

exit_script

reboot