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73 lines
2.4 KiB
Bash
73 lines
2.4 KiB
Bash
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#!/ventoy/busybox/sh
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#************************************************************************************
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# Copyright (c) 2020, longpanda <admin@ventoy.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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#************************************************************************************
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. /ventoy/hook/ventoy-hook-lib.sh
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VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
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ventoy_os_install_device_mapper_by_unsquashfs() {
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vtlog "ventoy_os_install_device_mapper_by_unsquashfs $*"
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vtKoExt=$(ventoy_get_module_postfix)
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vtlog "vtKoExt=$vtKoExt"
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vtoydm -i -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/iso_file_list
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vtline=$(grep '[-][-] livecd.sqfs ' $VTOY_PATH/iso_file_list)
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sector=$(echo $vtline | awk '{print $(NF-1)}')
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length=$(echo $vtline | awk '{print $NF}')
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vtoydm -E -f $VTOY_PATH/ventoy_image_map -d $1 -s $sector -l $length -o $VTOY_PATH/fsdisk
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dmModPath="/lib/modules/$2/kernel/drivers/md/dm-mod.$vtKoExt"
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echo $dmModPath > $VTOY_PATH/fsextract
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vtoy_unsquashfs -d $VTOY_PATH/sqfs -n -q -e $VTOY_PATH/fsextract $VTOY_PATH/fsdisk
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if [ -e $VTOY_PATH/sqfs${dmModPath} ]; then
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vtlog "success $VTOY_PATH/sqfs${dmModPath}"
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insmod $VTOY_PATH/sqfs${dmModPath}
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else
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false
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fi
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}
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ventoy_os_install_device_mapper() {
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vtlog "ventoy_os_install_device_mapper"
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if grep -q 'device-mapper' /proc/devices; then
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vtlog "device-mapper module already loaded"
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return;
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fi
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vtKerVer=$(uname -r)
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if ventoy_os_install_device_mapper_by_unsquashfs $1 $vtKerVer; then
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vtlog "unsquashfs success"
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else
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vterr "unsquashfs failed"
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fi
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}
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vtdiskname=$(get_ventoy_disk_name)
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ventoy_os_install_device_mapper $vtdiskname
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ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2"
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PATH=$VTPATH_OLD
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