Ventoy/INSTALL/Ventoy2Disk.sh

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#!/bin/sh
OLDDIR=$PWD
if ! [ -f ./tool/ventoy_lib.sh ]; then
cd ${0%Ventoy2Disk.sh}
fi
. ./tool/ventoy_lib.sh
print_usage() {
echo 'Usage: VentoyInstaller.sh OPTION /dev/sdX'
echo ' OPTION:'
echo ' -i install ventoy to sdX (fail if disk already installed with ventoy)'
echo ' -u update ventoy in sdX'
echo ' -I force install ventoy to sdX (no matter installed or not)'
echo ''
}
echo ''
echo '***********************************************************'
echo '* Ventoy2Disk Script *'
echo '* longpanda admin@ventoy.net *'
echo '***********************************************************'
echo ''
vtdebug "############# Ventoy2Disk $0 ################"
if [ "$1" = "-i" ]; then
MODE="install"
elif [ "$1" = "-I" ]; then
MODE="install"
FORCE="Y"
elif [ "$1" = "-u" ]; then
MODE="update"
else
print_usage
cd $OLDDIR
exit 1
fi
if ! [ -b "$2" ]; then
print_usage
cd $OLDDIR
exit 1
fi
if [ -z "$SUDO_USER" ]; then
if [ "$USER" != "root" ]; then
vterr "EUID is $EUID root permission is required."
echo ''
cd $OLDDIR
exit 1
fi
fi
vtdebug "MODE=$MODE FORCE=$FORCE"
if ! [ -f ./boot/boot.img ]; then
if [ -d ./grub ]; then
vterr "Don't run me here, please download the released install package, and run there."
else
vterr "Please run under the right directory!"
fi
exit 1
fi
#decompress tool
cd tool
chmod +x ./xzcat
for file in $(ls); do
if [ "$file" != "xzcat" ]; then
if [ "$file" != "ventoy_lib.sh" ]; then
./xzcat $file > ${file%.xz}
chmod +x ${file%.xz}
fi
fi
done
cd ../
if ! check_tool_work_ok; then
vterr "Some tools can not run in current system. Please check log.txt for detail."
cd $OLDDIR
exit 1
fi
DISK=$2
if ! [ -b "$DISK" ]; then
vterr "Disk $DISK does not exist"
cd $OLDDIR
exit 1
fi
if [ -e /sys/class/block/${DISK#/dev/}/start ]; then
vterr "$DISK is a partition, please use the whole disk"
cd $OLDDIR
exit 1
fi
grep "^$DISK" /proc/mounts | while read mtline; do
mtpnt=$(echo $mtline | awk '{print $2}')
vtdebug "Trying to umount $mtpnt ..."
umount $mtpnt >/dev/null 2>&1
done
if grep "$DISK" /proc/mounts; then
vterr "$DISK is already mounted, please umount it first!"
cd $OLDDIR
exit 1
fi
if [ "$MODE" = "install" ]; then
vtdebug "install ventoy ..."
if ! fdisk -v >/dev/null 2>&1; then
vterr "fdisk is needed by ventoy installation, but is not found in the system."
cd $OLDDIR
exit 1
fi
version=$(get_disk_ventoy_version $DISK)
if [ $? -eq 0 ]; then
if [ -z "$FORCE" ]; then
vtwarn "$DISK already contains a Ventoy with version $version"
vtwarn "Use -u option to do a safe upgrade operation."
vtwarn "OR if you really want to reinstall ventoy to $DISK, please use -I option."
vtwarn ""
cd $OLDDIR
exit 1
fi
fi
disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size)
disk_size_gb=$(expr $disk_sector_num / 2097152)
if [ $disk_sector_num -gt 4294967296 ]; then
vterr "$DISK is over 2TB size, MBR will not work on it."
cd $OLDDIR
exit 1
fi
#Print disk info
echo "Disk : $DISK"
parted -s $DISK p 2>&1 | grep Model
echo "Size : $disk_size_gb GB"
echo ''
vtwarn "Attention:"
vtwarn "You will install Ventoy to $DISK."
vtwarn "All the data on the disk $DISK will be lost!!!"
echo ""
read -p 'Continue? (y/n)' Answer
if [ "$Answer" != "y" ]; then
if [ "$Answer" != "Y" ]; then
exit 0
fi
fi
echo ""
vtwarn "All the data on the disk $DISK will be lost!!!"
read -p 'Double-check. Continue? (y/n)' Answer
if [ "$Answer" != "y" ]; then
if [ "$Answer" != "Y" ]; then
exit 0
fi
fi
if [ $disk_sector_num -le $VENTOY_SECTOR_NUM ]; then
vterr "No enough space in disk $DISK"
exit 1
fi
if ! dd if=/dev/zero of=$DISK bs=1 count=512 status=none conv=fsync; then
vterr "Write data to $DISK failed, please check whether it's in use."
exit 1
fi
format_ventoy_disk $DISK
# format part1
if ventoy_is_linux64; then
cmd=./tool/mkexfatfs_64
else
cmd=./tool/mkexfatfs_32
fi
chmod +x ./tool/*
# DiskSize > 32GB Cluster Size use 128KB
# DiskSize < 32GB Cluster Size use 32KB
if [ $disk_size_gb -gt 32 ]; then
cluster_sectors=256
else
cluster_sectors=64
fi
$cmd -n ventoy -s $cluster_sectors ${DISK}1
chmod +x ./tool/vtoy_gen_uuid
dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=446
./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1
./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start_sector
#disk uuid
./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} seek=384 bs=1 count=16
#disk signature
./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} skip=12 seek=440 bs=1 count=4
sync
echo ""
vtinfo "Install Ventoy to $DISK successfully finished."
echo ""
else
vtdebug "update ventoy ..."
oldver=$(get_disk_ventoy_version $DISK)
if [ $? -ne 0 ]; then
vtwarn "$DISK does not contain ventoy or data corupted"
echo ""
vtwarn "Please use -i option if you want to install ventoy to $DISK"
echo ""
cd $OLDDIR
exit 1
fi
curver=$(cat ./ventoy/version)
vtinfo "Upgrade operation is safe, all the data in the 1st partition (iso files and other) will be unchanged!"
echo ""
read -p "Update Ventoy $oldver ===> $curver Continue? (y/n)" Answer
if [ "$Answer" != "y" ]; then
if [ "$Answer" != "Y" ]; then
cd $OLDDIR
exit 0
fi
fi
PART2=$(get_disk_part_name $DISK 2)
dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=440
./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1
disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size)
part2_start=$(expr $disk_sector_num - $VENTOY_SECTOR_NUM)
./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start
sync
echo ""
vtinfo "Update Ventoy to $DISK successfully finished."
echo ""
fi
cd $OLDDIR