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

   1 #!/ventoy/busybox/sh
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 . /ventoy/hook/ventoy-hook-lib.sh
  21
  22 ventoy_os_install_dmsetup() {
  23
  24     vt_usb_disk=$1
  25
  26     # dump iso file location
  27     $VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
  28
  29     # install dmsetup
  30     LINE=$($GREP ' dmsetup.*\.udeb'  $VTOY_PATH/iso_file_list)
  31     if [ $? -eq 0 ]; then
  32         install_udeb_from_line "$LINE" ${vt_usb_disk}
  33     fi
  34
  35     # install libdevmapper
  36     LINE=$($GREP ' libdevmapper.*\.udeb'  $VTOY_PATH/iso_file_list)
  37     if [ $? -eq 0 ]; then
  38         install_udeb_from_line "$LINE" ${vt_usb_disk}
  39     fi
  40
  41     # install md-modules
  42     LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
  43     if [ $? -eq 0 ]; then
  44         install_udeb_from_line "$LINE" ${vt_usb_disk}
  45     fi
  46
  47     # insmod md-mod if needed
  48     if $GREP -q 'device-mapper' /proc/devices; then
  49         vtlog "device mapper module is loaded"
  50     else
  51         vtlog"device mapper module is NOT loaded, now load it..."
  52
  53         VER=$($BUSYBOX_PATH/uname -r)
  54         KO=$($FIND /lib/modules/$VER/kernel/drivers/md -name "dm-mod*")
  55         vtlog "KO=$KO"
  56
  57         insmod $KO
  58     fi
  59
  60     vtlog "dmsetup install finish, now check it..."
  61     if dmsetup info >> $VTLOG 2>&1; then
  62         vtlog "dmsetup work ok"
  63     else
  64         vtlog "dmsetup not work, now try to load eglibc ..."
  65
  66         # install eglibc (some ubuntu 32 bit version need it)
  67         LINE=$($GREP 'libc6-.*\.udeb'  $VTOY_PATH/iso_file_list)
  68         if [ $? -eq 0 ]; then
  69             install_udeb_from_line "$LINE" ${vt_usb_disk}
  70         fi
  71
  72         if dmsetup info >> $VTLOG 2>&1; then
  73             vtlog "dmsetup work ok after retry"
  74         else
  75             vtlog "dmsetup still not work after retry"
  76         fi
  77     fi
  78 }
  79
  80 if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
  81     exit 0
  82 fi
  83
  84 dmsetup_path=$(ventoy_find_bin_path dmsetup)
  85 if [ -z "$dmsetup_path" ]; then
  86     ventoy_os_install_dmsetup "/dev/${1:0:-1}"
  87 fi
  88
  89 ventoy_udev_disk_common_hook $*
  90
  91 #
  92 # Some distro default only accept usb partitions as install medium.
  93 # So if ventoy is installed on a non-USB device, we just mount /cdrom here except
  94 # for these has boot=live or boot=casper parameter in cmdline
  95 #
  96 if echo $ID_BUS | $GREP -q -i usb; then
  97     vtlog "$1 is USB device"
  98 else
  99     vtlog "$1 is NOT USB device (bus $ID_BUS)"
 100
 101     if $EGREP -q 'boot=|casper' /proc/cmdline; then
 102         vtlog "boot=, or casper, don't mount"
 103     else
 104         vtlog "No boot param, need to mount"
 105         $BUSYBOX_PATH/mkdir /cdrom
 106         $BUSYBOX_PATH/mount -t iso9660 $VTOY_DM_PATH  /cdrom
 107     fi
 108 fi
 109
 110 # OK finish
 111 set_ventoy_hook_finish