IMG/cpio/ventoy/hook/clear/hidden-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 VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
  23
  24 NEWROOT=$(grep switch_root /init | awk '{print $3}')
  25
  26 for i in 'usr/bin' 'usr/sbin'; do
  27     if [ -f $NEWROOT/$i/udevadm ]; then
  28         UPATH=$i
  29         break
  30     fi
  31 done
  32
  33 blkdev_num=$(dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
  34 vtDM=$(ventoy_find_dm_id ${blkdev_num})
  35
  36 sed "s#UPATH=.*#UPATH=/$UPATH#"  -i /ventoy/hook/clear/udevadm
  37 sed "s#DM=.*#DM=$vtDM#"  -i /ventoy/hook/clear/udevadm
  38
  39
  40 mv $NEWROOT/$UPATH/udevadm  $NEWROOT/$UPATH/udevadm_bk
  41 cp -a /ventoy/hook/clear/udevadm $NEWROOT/$UPATH/udevadm
  42 chmod 777 $NEWROOT/$UPATH/udevadm
  43