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Ventoy/IMG/cpio/ventoy/ventoy_loop.sh

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#!/ventoy/busybox/sh
#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#************************************************************************************
####################################################################
# #
# Step 1 : Parse kernel parameter #
# #
####################################################################
if ! [ -e /proc ]; then
$BUSYBOX_PATH/mkdir /proc
rmproc='Y'
fi
$BUSYBOX_PATH/mount -t proc proc /proc
# vtinit=xxx to replace rdinit=xxx
vtcmdline=$($CAT /proc/cmdline)
for i in $vtcmdline; do
if echo $i | $GREP -q vtinit; then
user_rdinit=${i#vtinit=}
echo "user set user_rdinit=${user_rdinit}" >>$VTLOG
fi
done
####################################################################
# #
# Step 2 : Process ko #
# #
####################################################################
$BUSYBOX_PATH/mkdir -p /ventoy/modules
$BUSYBOX_PATH/ls -1a / | $EGREP '\.ko$|\.ko.[gx]z$' | while read vtline; do
if [ "${vtline:0:1}" = "." ]; then
$BUSYBOX_PATH/mv /${vtline} /ventoy/modules/${vtline:1}
else
$BUSYBOX_PATH/mv /${vtline} /ventoy/modules/
fi
done
if [ -e /vtloopex.tar.xz ]; then
echo "extract vtloopex ..." >> $VTLOG
$BUSYBOX_PATH/tar -xJf /vtloopex.tar.xz -C $VTOY_PATH/
$BUSYBOX_PATH/rm -f /vtloopex.tar.xz
fi
####################################################################
# #
# Step 3 : Do OS specific hook #
# #
####################################################################
ventoy_get_os_type() {
echo "kernel version" >> $VTLOG
$CAT /proc/version >> $VTLOG
if $GREP -q 'endless' /proc/version; then
echo 'endless'; return
fi
if $GREP -q 'OpenWrt' /proc/version; then
echo 'openwrt'; return
fi
if $GREP -q 'easyos' /proc/cmdline; then
echo 'easyos'; return
fi
if [ -e /BOOT_SPECS ]; then
if $GREP -q 'easyos' /BOOT_SPECS; then
echo 'easyos'; return
fi
fi
if [ -e /etc/os-release ]; then
if $GREP -q 'volumio' /etc/os-release; then
echo 'volumio'; return
fi
fi
if $GREP -q 'ventoyos=' /proc/cmdline; then
$SED "s/.*ventoyos=\([a-zA-Z0-9_-]*\).*/\1/" /proc/cmdline; return
fi
if [ -d /twres ]; then
if $GREP -q 'Phoenix' /init; then
echo 'phoenixos'; return
fi
fi
# rhel5/CentOS5 and all other distributions based on them
if $GREP -q 'el5' /proc/version; then
echo 'rhel5'; return
# rhel6/CentOS6 and all other distributions based on them
elif $GREP -q 'el6' /proc/version; then
echo 'rhel6'; return
# rhel7/CentOS7/rhel8/CentOS8 and all other distributions based on them
elif $GREP -q 'el[78]' /proc/version; then
echo 'rhel7'; return
# Maybe rhel9 rhel1x use the same way? Who knows!
elif $EGREP -q 'el9|el1[0-9]' /proc/version; then
echo 'rhel7'; return
# Fedora : do the same process with rhel7
elif $GREP -q '\.fc[0-9][0-9]\.' /proc/version; then
echo 'rhel7'; return
# Debian :
elif $GREP -q '[Dd]ebian' /proc/version; then
echo 'debian'; return
# Ubuntu : do the same process with debian
elif $GREP -q '[Uu]buntu' /proc/version; then
echo 'debian'; return
# Deepin : do the same process with debian
elif $GREP -q '[Dd]eepin' /proc/version; then
echo 'debian'; return
# SUSE
elif $GREP -q 'SUSE' /proc/version; then
echo 'suse'; return
# ArchLinux
elif $EGREP -q 'archlinux|ARCH' /proc/version; then
echo 'arch'; return
# kiosk
elif $EGREP -q 'kiosk' /proc/version; then
echo 'kiosk'; return
# gentoo
elif $EGREP -q '[Gg]entoo' /proc/version; then
if $GREP -q 'daphile' /proc/version; then
echo 'daphile'; return
fi
echo 'gentoo'; return
# TinyCore
elif $EGREP -q 'tinycore' /proc/version; then
echo 'tinycore'; return
# manjaro
elif $EGREP -q 'manjaro|MANJARO' /proc/version; then
echo 'manjaro'; return
# mageia
elif $EGREP -q 'mageia' /proc/version; then
echo 'mageia'; return
# pclinux OS
elif $GREP -i -q 'PCLinuxOS' /proc/version; then
echo 'pclos'; return
# KaOS
elif $GREP -i -q 'kaos' /proc/version; then
echo 'kaos'; return
# Alpine
elif $GREP -q 'Alpine' /proc/version; then
echo 'alpine'; return
elif $GREP -i -q 'PhoenixOS' /proc/version; then
echo 'phoenixos'; return
# NixOS
elif $GREP -i -q 'NixOS' /proc/version; then
echo 'nixos'; return
fi
if [ -e /lib/debian-installer ]; then
echo 'debian'; return
fi
if [ -e /etc/os-release ]; then
if $GREP -q 'XenServer' /etc/os-release; then
echo 'xen'; return
elif $GREP -q 'SUSE ' /etc/os-release; then
echo 'suse'; return
elif $GREP -q 'uruk' /etc/os-release; then
echo 'debian'; return
elif $GREP -q 'Solus' /etc/os-release; then
echo 'rhel7'; return
elif $GREP -q 'openEuler' /etc/os-release; then
echo 'openEuler'; return
elif $GREP -q 'fuyu' /etc/os-release; then
echo 'openEuler'; return
elif $GREP -q 'deepin' /etc/os-release; then
echo 'debian'; return
elif $GREP -q 'chinauos' /etc/os-release; then
echo 'debian'; return
fi
fi
if $BUSYBOX_PATH/dmesg | $GREP -q -m1 "Xen:"; then
echo 'xen'; return
fi
if [ -e /etc/HOSTNAME ] && $GREP -i -q 'slackware' /etc/HOSTNAME; then
echo 'slackware'; return
fi
if [ -e /init ]; then
if $GREP -i -q zeroshell /init; then
echo 'zeroshell'; return
fi
fi
if $EGREP -q 'ALT ' /proc/version; then
echo 'alt'; return
fi
if $EGREP -q 'porteus' /proc/version; then
echo 'debian'; return
fi
if $GREP -q 'Clear Linux ' /proc/version; then
echo 'clear'; return
fi
if $GREP -q 'artix' /proc/version; then
echo 'arch'; return
fi
if $GREP -q 'berry ' /proc/version; then
echo 'berry'; return
fi
if $GREP -q 'Gobo ' /proc/version; then
echo 'gobo'; return
fi
if $GREP -q 'NuTyX' /proc/version; then
echo 'nutyx'; return
fi
if [ -d /gnu ]; then
vtLineNum=$($FIND /gnu/ -name guix | $BUSYBOX_PATH/wc -l)
if [ $vtLineNum -gt 0 ]; then
echo 'guix'; return
fi
fi
if $GREP -q 'android.x86' /proc/version; then
echo 'android'; return
fi
if $GREP -q 'adelielinux' /proc/version; then
echo 'adelie'; return
fi
if $GREP -q 'pmagic' /proc/version; then
echo 'pmagic'; return
fi
if $GREP -q 'CDlinux' /proc/cmdline; then
echo 'cdlinux'; return
fi
if $GREP -q 'parabola' /proc/version; then
echo 'parabola'; return
fi
if $GREP -q 'cucumber' /proc/version; then
echo 'cucumber'; return
fi
if $GREP -q 'fatdog' /proc/version; then
echo 'fatdog'; return
fi
if $GREP -q 'KWORT' /proc/version; then
echo 'kwort'; return
fi
if $GREP -q 'iwamoto' /proc/version; then
echo 'vine'; return
fi
if $GREP -q 'hyperbola' /proc/cmdline; then
echo 'hyperbola'; return
fi
if $GREP -q 'CRUX' /proc/version; then
echo 'crux'; return
fi
if [ -f /init ]; then
if $GREP -q 'AryaLinux' /init; then
echo 'aryalinux'; return
elif $GREP -q 'Dragora' /init; then
echo 'dragora'; return
fi
fi
if $GREP -q 'slackware' /proc/version; then
echo 'slackware'; return
fi
if $BUSYBOX_PATH/hostname | $GREP -q 'smoothwall'; then
echo 'smoothwall'; return
fi
if $GREP -q 'photon' /proc/version; then
echo 'photon'; return
fi
if $GREP -q 'ploplinux' /proc/version; then
echo 'ploplinux'; return
fi
if $GREP -q 'lunar' /proc/version; then
echo 'lunar'; return
fi
if $GREP -q 'SMGL-' /proc/version; then
echo 'smgl'; return
fi
if $GREP -q 'rancher' /proc/version; then
echo 'rancher'; return
fi
if [ -e /init ]; then
if $GREP -q -m1 'T2 SDE' /init; then
echo 't2'; return
fi
fi
if $GREP -q 'wifislax' /proc/version; then
echo 'wifislax'; return
fi
if $GREP -q 'pisilinux' /proc/version; then
echo 'pisilinux'; return
fi
if $GREP -q 'blackPanther' /proc/version; then
echo 'blackPanther'; return
fi
if $GREP -q 'primeos' /proc/version; then
echo 'primeos'; return
fi
if $GREP -q 'austrumi' /proc/version; then
echo 'austrumi'; return
fi
if [ -f /DISTRO_SPECS ]; then
if $GREP -q '[Pp]uppy' /DISTRO_SPECS; then
echo 'debian'; return
elif $GREP -q 'veket' /DISTRO_SPECS; then
echo 'debian'; return
fi
fi
if [ -f /etc/openEuler-release ]; then
echo "openEuler"; return
fi
echo "default"
}
VTOS=$(ventoy_get_os_type)
echo "OS=###${VTOS}###" >>$VTLOG
if [ -e "$VTOY_PATH/loop/$VTOS/ventoy-hook.sh" ]; then
$BUSYBOX_PATH/sh "$VTOY_PATH/loop/$VTOS/ventoy-hook.sh"
elif [ -e "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" ]; then
$BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh"
fi
####################################################################
# #
# Step 4 : Check for debug break #
# #
####################################################################
if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then
$SLEEP 5
echo -e "\n\n\033[32m ################################################# \033[0m"
echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
echo -e "\033[32m ################################################# \033[0m \n"
if [ "$VTOY_BREAK_LEVEL" = "13" ]; then
$CAT $VTOY_PATH/log
fi
exec $BUSYBOX_PATH/sh
fi
####################################################################
# #
# Step 5 : Hand over to real init #
# #
####################################################################
$BUSYBOX_PATH/umount /proc
if [ "$rmproc" = "Y" ]; then
$BUSYBOX_PATH/rm -rf /proc
fi
if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
export PERSISTENT='YES'
export PERSISTENCE='true'
fi
cd /
unset VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD vtcmdline
for vtinit in $user_rdinit /init /sbin/init /linuxrc; do
if [ -d /ventoy_rdroot ]; then
if [ -e "/ventoy_rdroot$vtinit" ]; then
# switch_root will check /init file, this is a cheat code
echo 'switch_root' > /init
exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit"
fi
else
if [ -e "$vtinit" ];then
if [ -f "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh" ]; then
$BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh"
fi
exec "$vtinit"
fi
fi
done
# Should never reach here
echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n"
exec $BUSYBOX_PATH/sh
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