IMG/cpio/sbin/init

   1 #!/ventoy/busybox/tmpsh
   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 ####################################################################
  21 #                                                                  #
  22 # Step 1 : extract busybox & set busybox enviroment                #
  23 #                                                                  #
  24 ####################################################################
  25
  26 export VTOY_ORG_PATH=$PATH
  27 export VTOY_PATH=/ventoy
  28 export BUSYBOX_PATH=$VTOY_PATH/busybox
  29 export VTLOG=$VTOY_PATH/log
  30 export FIND=$BUSYBOX_PATH/find
  31 export GREP=$BUSYBOX_PATH/grep
  32 export EGREP=$BUSYBOX_PATH/egrep
  33 export CAT=$BUSYBOX_PATH/cat
  34 export AWK=$BUSYBOX_PATH/awk
  35 export SED=$BUSYBOX_PATH/sed
  36 export SLEEP=$BUSYBOX_PATH/sleep
  37 export HEAD=$BUSYBOX_PATH/head
  38
  39 $BUSYBOX_PATH/tmpxz -d $BUSYBOX_PATH/busybox.xz
  40 $BUSYBOX_PATH/busybox --install $BUSYBOX_PATH
  41
  42 export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
  43
  44 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  45 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  46
  47 #Fixme: busybox shell output redirect seems to have some bug in rhel5
  48 if uname -a | grep -q el5; then
  49     VTOY_REDT_BUG=YES
  50 fi
  51
  52 if [ -z "$VTOY_REDT_BUG" ]; then
  53     echo "============== VENTOY =================" >>$VTLOG
  54 fi
  55
  56 cd $VTOY_PATH
  57 xz -d ventoy.sh.xz
  58
  59 if [ -n "$VTOY_REDT_BUG" ]; then
  60     xz -d -c hook.cpio.xz | cpio -idm
  61     xz -d -c tool.cpio.xz | cpio -idm
  62 else
  63     xz -d -c hook.cpio.xz | cpio -idm 2>>$VTLOG
  64     xz -d -c tool.cpio.xz | cpio -idm 2>>$VTLOG
  65 fi
  66
  67 rm -f *.xz
  68 cd /
  69
  70 ####################################################################
  71 #                                                                  #
  72 # Step 2 : Hand over to ventoy init                                #
  73 #                                                                  #
  74 ####################################################################
  75 exec $BUSYBOX_PATH/sh $VTOY_PATH/init