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Ventoy/IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh

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#!/ventoy/busybox/sh
#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# This program 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 3 of the
# License, or (at your option) any later version.
#
# This program 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#************************************************************************************
. /ventoy/hook/ventoy-hook-lib.sh
ventoy_os_install_dmsetup() {
vtlog "ventoy_os_install_dmsetup $1 ..."
vt_usb_disk=$1
# dump iso file location
$VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
# install dmsetup
LINE=$($GREP ' dmsetup.*\.udeb' $VTOY_PATH/iso_file_list)
if [ $? -eq 0 ]; then
install_udeb_from_line "$LINE" ${vt_usb_disk}
fi
# install libdevmapper
LINE=$($GREP ' libdevmapper.*\.udeb' $VTOY_PATH/iso_file_list)
if [ $? -eq 0 ]; then
install_udeb_from_line "$LINE" ${vt_usb_disk}
fi
# install md-modules
LINE=$($GREP ' md-modules.*\.udeb' $VTOY_PATH/iso_file_list)
if [ $? -eq 0 ]; then
LINTCNT=$($GREP -c ' md-modules.*\.udeb' $VTOY_PATH/iso_file_list)
if [ $LINTCNT -gt 1 ]; then
vtlog "more than one pkgs, need to filter..."
VER=$($BUSYBOX_PATH/uname -r)
LINE=$($GREP ' md-modules.*\.udeb' $VTOY_PATH/iso_file_list | $GREP $VER)
LINTCNT=$($GREP ' md-modules.*\.udeb' $VTOY_PATH/iso_file_list | $GREP -c $VER)
if [ $LINTCNT -gt 1 ]; then
vtlog "Still more than one pkgs, use the first one..."
LINE=$($GREP ' md-modules.*\.udeb' $VTOY_PATH/iso_file_list | $GREP -m1 $VER)
fi
fi
install_udeb_from_line "$LINE" ${vt_usb_disk}
fi
# insmod md-mod if needed
if $GREP -q 'device-mapper' /proc/devices; then
vtlog "device mapper module is loaded"
else
vtlog "device mapper module is NOT loaded, now load it..."
VER=$($BUSYBOX_PATH/uname -r)
KO=$($FIND /lib/modules/$VER/kernel/drivers/md -name "dm-mod*")
vtlog "KO=$KO"
insmod $KO
fi
vtlog "dmsetup install finish, now check it..."
if dmsetup info >> $VTLOG 2>&1; then
vtlog "dmsetup work ok"
else
vtlog "dmsetup not work, now try to load eglibc ..."
# install eglibc (some ubuntu 32 bit version need it)
LINE=$($GREP 'libc6-.*\.udeb' $VTOY_PATH/iso_file_list)
if [ $? -eq 0 ]; then
install_udeb_from_line "$LINE" ${vt_usb_disk}
fi
if dmsetup info >> $VTLOG 2>&1; then
vtlog "dmsetup work ok after retry"
else
vtlog "dmsetup still not work after retry"
fi
fi
}
if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
exit 0
fi
vtlog "==== $0 $* ===="
dmsetup_path=$(ventoy_find_bin_path dmsetup)
if [ -z "$dmsetup_path" ]; then
ventoy_os_install_dmsetup "/dev/${1:0:-1}"
fi
if ! $GREP -q 'device-mapper' /proc/devices; then
ventoy_os_install_dmsetup "/dev/${1:0:-1}"
fi
ventoy_udev_disk_common_hook $*
#
# Some distro default only accept usb partitions as install medium.
# So if ventoy is installed on a non-USB device, we just mount /cdrom here except
# for these has boot=live or boot=casper parameter in cmdline
#
VT_BUS_USB=""
if [ -n "$ID_BUS" ]; then
if echo $ID_BUS | $GREP -q -i usb; then
VT_BUS_USB="YES"
fi
else
if $BUSYBOX_PATH/ls -l /sys/class/block/${1:0:-1} | $GREP -q -i usb; then
VT_BUS_USB="YES"
fi
fi
if [ -n "$VT_BUS_USB" ]; then
vtlog "$1 is USB device"
else
vtlog "$1 is NOT USB device (bus $ID_BUS)"
if $EGREP -q 'boot=|casper' /proc/cmdline; then
vtlog "boot=, or casper, don't mount"
else
vtlog "No boot param, need to mount"
$BUSYBOX_PATH/mkdir /cdrom
if [ -b $VTOY_DM_PATH ]; then
vtlog "mount $VTOY_DM_PATH ..."
$BUSYBOX_PATH/mount -t iso9660 $VTOY_DM_PATH /cdrom
else
vtlog "mount /dev/$1 ..."
$BUSYBOX_PATH/mount -t iso9660 /dev/$1 /cdrom
fi
fi
fi
# OK finish
set_ventoy_hook_finish