IMG/cpio/ventoy/hook/vine/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 vtCheatLoop=loop6
  23
  24 ventoy_os_install_dmsetup() {
  25     vtlog "ventoy_os_install_dmsetup $1"
  26
  27     vt_usb_disk=$1
  28
  29     # dump iso file location
  30     $VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
  31
  32     # install dmsetup
  33     LINE=$($GREP 'kernel-[0-9].*\.rpm'  $VTOY_PATH/iso_file_list)
  34     if [ $? -eq 0 ]; then
  35         install_rpm_from_line "$LINE" ${vt_usb_disk}
  36     fi
  37
  38     $BUSYBOX_PATH/modprobe dm-mod
  39
  40     vtlog "dmsetup install finish, now check it..."
  41
  42     dmsetup_path=/ventoy/tool/dmsetup
  43     if [ -z "$dmsetup_path" ]; then
  44         vterr "dmsetup still not found after install"
  45     elif $dmsetup_path info >> $VTLOG 2>&1; then
  46         vtlog "$dmsetup_path work ok"
  47     else
  48         vterr "$dmsetup_path not work"
  49     fi
  50 }
  51
  52
  53 if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
  54     # /dev/vtCheatLoop come first
  55     if [ "$1" = "$vtCheatLoop" ] && [ -b $VTOY_DM_PATH ]; then
  56         ventoy_copy_device_mapper  /dev/$vtCheatLoop
  57     fi
  58     exit 0
  59 fi
  60
  61 ventoy_os_install_dmsetup "/dev/${1:0:-1}"
  62
  63 ventoy_udev_disk_common_hook $* "noreplace"
  64
  65 $BUSYBOX_PATH/mount $VTOY_DM_PATH /mnt/ventoy
  66
  67 #
  68 # We do a trick for rhel6 series here.
  69 # Use /dev/$vtCheatLoop and wapper it as a removable cdrom with bind mount.
  70 # Then the anaconda installer will accept /dev/$vtCheatLoop as the install medium.
  71 #
  72 ventoy_copy_device_mapper  /dev/$vtCheatLoop
  73
  74 $BUSYBOX_PATH/cp -a /sys/devices/virtual/block/$vtCheatLoop /tmp/ >> $VTLOG 2>&1
  75 echo 19 > /tmp/$vtCheatLoop/capability
  76 $BUSYBOX_PATH/mount --bind /tmp/$vtCheatLoop /sys/block/$vtCheatLoop >> $VTLOG 2>&1
  77
  78 # OK finish
  79 set_ventoy_hook_finish