mirror of https://github.com/ventoy/Ventoy.git
117 lines
4.1 KiB
Bash
117 lines
4.1 KiB
Bash
#!/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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####################################################################
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# #
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# Step 1 : Parse kernel parameter #
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# #
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####################################################################
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if ! [ -e /proc ]; then
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$BUSYBOX_PATH/mkdir /proc
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rmproc='Y'
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fi
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$BUSYBOX_PATH/mount -t proc proc /proc
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# vtinit=xxx to replace rdinit=xxx
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vtcmdline=$($CAT /proc/cmdline)
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for i in $vtcmdline; do
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if echo $i | $GREP -q vtinit; then
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user_rdinit=${i#vtinit=}
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echo "user set user_rdinit=${user_rdinit}" >>$VTLOG
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fi
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done
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####################################################################
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# #
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# Step 2 : Do OS specific hook #
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# #
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####################################################################
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ventoy_get_os_type() {
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echo "kernel version" >> $VTLOG
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$CAT /proc/version >> $VTLOG
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# deepin-live
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if $GREP -q 'deepin' /proc/version; then
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echo 'deepin'; return
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fi
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if $GREP -q 'endless' /proc/version; then
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echo 'endless'; return
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fi
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echo "default"
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}
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VTOS=$(ventoy_get_os_type)
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echo "OS=###${VTOS}###" >>$VTLOG
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if [ -e "$VTOY_PATH/loop/$VTOS/ventoy-hook.sh" ]; then
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$BUSYBOX_PATH/sh "$VTOY_PATH/loop/$VTOS/ventoy-hook.sh"
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fi
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####################################################################
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# #
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# Step 3 : Check for debug break #
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# #
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####################################################################
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if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then
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$SLEEP 5
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echo -e "\n\n\033[32m ################################################# \033[0m"
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echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
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echo -e "\033[32m ################################################# \033[0m \n"
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if [ "$VTOY_BREAK_LEVEL" = "13" ]; then
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$CAT $VTOY_PATH/log
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fi
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exec $BUSYBOX_PATH/sh
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fi
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####################################################################
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# #
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# Step 3 : Hand over to real init #
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# #
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####################################################################
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$BUSYBOX_PATH/umount /proc
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if [ "$rmproc" = "Y" ]; then
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$BUSYBOX_PATH/rm -rf /proc
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fi
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cd /
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unset VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD
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for vtinit in $user_rdinit /init /sbin/init /linuxrc; do
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if [ -d /ventoy_rdroot ]; then
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if [ -e "/ventoy_rdroot$vtinit" ]; then
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# switch_root will check /init file, this is a cheat code
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echo 'switch_root' > /init
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exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit"
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fi
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else
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if [ -e "$vtinit" ];then
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exec "$vtinit"
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fi
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fi
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done
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# Should never reach here
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echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n"
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exec $BUSYBOX_PATH/sh
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