IMG/cpio/ventoy/ventoy_chain.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 ####################################################################
  21 #                                                                  #
  22 # Step 1 : Parse kernel parameter                                  #
  23 #                                                                  #
  24 ####################################################################
  25 if ! [ -e /proc ]; then
  26     $BUSYBOX_PATH/mkdir /proc
  27     rmproc='Y'
  28 fi
  29 $BUSYBOX_PATH/mount -t proc proc /proc
  30
  31 # vtinit=xxx to replace rdinit=xxx
  32 vtcmdline=$($CAT /proc/cmdline)
  33 for i in $vtcmdline; do
  34     if echo $i | $GREP -q vtinit; then
  35         user_rdinit=${i#vtinit=}
  36         echo "user set user_rdinit=${user_rdinit}" >>$VTLOG
  37     fi
  38 done
  39
  40 ####################################################################
  41 #                                                                  #
  42 # Step 2 : Do OS specific hook                                     #
  43 #                                                                  #
  44 ####################################################################
  45 ventoy_get_os_type() {
  46     echo "kernel version" >> $VTLOG
  47     $CAT /proc/version >> $VTLOG
  48
  49     if [ -d /twres ]; then
  50         if $GREP -q 'Phoenix' /init; then
  51             echo 'phoenixos'; return
  52         fi
  53     fi
  54
  55     # rhel5/CentOS5 and all other distributions based on them
  56     if $GREP -q 'el5' /proc/version; then
  57         echo 'rhel5'; return
  58
  59     # rhel6/CentOS6 and all other distributions based on them
  60     elif $GREP -q 'el6' /proc/version; then
  61         echo 'rhel6'; return
  62
  63     # rhel7/CentOS7/rhel8/CentOS8 and all other distributions based on them
  64     elif $GREP -q 'el[78]' /proc/version; then
  65         echo 'rhel7'; return
  66
  67     # Maybe rhel9 rhel1x use the same way? Who knows!
  68     elif $EGREP -q 'el9|el1[0-9]' /proc/version; then
  69         echo 'rhel7'; return
  70
  71     # Fedora : do the same process with rhel7
  72     elif $GREP -q '\.fc[0-9][0-9]\.' /proc/version; then
  73         echo 'rhel7'; return
  74
  75     # Debian :
  76     elif $GREP -q '[Dd]ebian' /proc/version; then
  77         echo 'debian'; return
  78
  79     # Ubuntu : do the same process with debian
  80     elif $GREP -q '[Uu]buntu' /proc/version; then
  81         echo 'debian'; return
  82
  83     # Deepin : do the same process with debian
  84     elif $GREP -q '[Dd]eepin' /proc/version; then
  85         echo 'debian'; return
  86
  87     # SUSE
  88     elif $GREP -q 'SUSE' /proc/version; then
  89         echo 'suse'; return
  90
  91     # ArchLinux
  92     elif $EGREP -q 'archlinux|ARCH' /proc/version; then
  93         echo 'arch'; return
  94
  95     # kiosk
  96     elif $EGREP -q 'kiosk' /proc/version; then
  97         echo 'kiosk'; return
  98
  99     # gentoo
 100     elif $EGREP -q '[Gg]entoo' /proc/version; then
 101         if $GREP -q 'daphile' /proc/version; then
 102             echo 'daphile'; return
 103         fi
 104
 105         echo 'gentoo'; return
 106
 107     # TinyCore
 108     elif $EGREP -q 'tinycore' /proc/version; then
 109         echo 'tinycore'; return
 110
 111     # manjaro
 112     elif $EGREP -q 'manjaro|MANJARO' /proc/version; then
 113         echo 'manjaro'; return
 114
 115     # mageia
 116     elif $EGREP -q 'mageia' /proc/version; then
 117         echo 'mageia'; return
 118
 119     # pclinux OS
 120     elif $GREP -i -q 'PCLinuxOS' /proc/version; then
 121         echo 'pclos'; return
 122
 123     # KaOS
 124     elif $GREP -i -q 'kaos' /proc/version; then
 125         echo 'kaos'; return
 126
 127     # Alpine
 128     elif $GREP -q 'Alpine' /proc/version; then
 129         echo 'alpine'; return
 130
 131     elif $GREP -i -q 'PhoenixOS' /proc/version; then
 132         echo 'phoenixos'; return
 133
 134     # NixOS
 135     elif $GREP -i -q 'NixOS' /proc/version; then
 136         echo 'nixos'; return
 137
 138
 139     fi
 140
 141     if [ -e /lib/debian-installer ]; then
 142         echo 'debian'; return
 143     fi
 144
 145     if [ -e /etc/os-release ]; then
 146         if $GREP -q 'XenServer' /etc/os-release; then
 147             echo 'xen'; return
 148         elif $GREP -q 'SUSE ' /etc/os-release; then
 149             echo 'suse'; return
 150         elif $GREP -q 'uruk' /etc/os-release; then
 151             echo 'debian'; return
 152         elif $GREP -q 'Solus' /etc/os-release; then
 153             echo 'rhel7'; return
 154         fi
 155     fi
 156
 157     if $BUSYBOX_PATH/dmesg | $GREP -q -m1 "Xen:"; then
 158         echo 'xen'; return
 159     fi
 160
 161
 162     if [ -e /etc/HOSTNAME ] && $GREP -i -q 'slackware' /etc/HOSTNAME; then
 163         echo 'slackware'; return
 164     fi
 165
 166     if [ -e /init ]; then
 167         if $GREP -i -q zeroshell /init; then
 168             echo 'zeroshell'; return
 169         fi
 170     fi
 171
 172     if $EGREP -q 'ALT ' /proc/version; then
 173         echo 'alt'; return
 174     fi
 175
 176     if $EGREP -q 'porteus' /proc/version; then
 177         echo 'debian'; return
 178     fi
 179
 180     if $GREP -q 'Clear Linux ' /proc/version; then
 181         echo 'clear'; return
 182     fi
 183
 184     if $GREP -q 'artix' /proc/version; then
 185         echo 'arch'; return
 186     fi
 187
 188     if $GREP -q 'berry ' /proc/version; then
 189         echo 'berry'; return
 190     fi
 191
 192     if $GREP -q 'Gobo ' /proc/version; then
 193         echo 'gobo'; return
 194     fi
 195
 196     if $GREP -q 'NuTyX' /proc/version; then
 197         echo 'nutyx'; return
 198     fi
 199
 200     if [ -d /gnu ]; then
 201         vtLineNum=$($FIND /gnu/ -name guix | $BUSYBOX_PATH/wc -l)
 202         if [ $vtLineNum -gt 0 ]; then
 203             echo 'guix'; return
 204         fi
 205     fi
 206
 207     if $GREP -q 'android.x86' /proc/version; then
 208         echo 'android'; return
 209     fi
 210
 211     if $GREP -q 'adelielinux' /proc/version; then
 212         echo 'adelie'; return
 213     fi
 214
 215     if $GREP -q 'pmagic' /proc/version; then
 216         echo 'pmagic'; return
 217     fi
 218
 219     if $GREP -q 'CDlinux' /proc/cmdline; then
 220         echo 'cdlinux'; return
 221     fi
 222
 223     if $GREP -q 'parabola' /proc/version; then
 224         echo 'parabola'; return
 225     fi
 226
 227     if $GREP -q 'cucumber' /proc/version; then
 228         echo 'cucumber'; return
 229     fi
 230
 231     if $GREP -q 'fatdog' /proc/version; then
 232         echo 'fatdog'; return
 233     fi
 234
 235     if $GREP -q 'KWORT' /proc/version; then
 236         echo 'kwort'; return
 237     fi
 238
 239     if $GREP -q 'iwamoto' /proc/version; then
 240         echo 'vine'; return
 241     fi
 242
 243     if $GREP -q 'hyperbola' /proc/cmdline; then
 244         echo 'hyperbola'; return
 245     fi
 246
 247     if $GREP -q 'CRUX' /proc/version; then
 248         echo 'crux'; return
 249     fi
 250
 251     if [ -f /init ]; then
 252         if $GREP -q 'AryaLinux' /init; then
 253             echo 'aryalinux'; return
 254         elif $GREP -q 'Dragora' /init; then
 255             echo 'dragora'; return
 256
 257         fi
 258     fi
 259
 260     if $GREP -q 'slackware' /proc/version; then
 261         echo 'slackware'; return
 262     fi
 263
 264     if $BUSYBOX_PATH/hostname | $GREP -q 'smoothwall'; then
 265         echo 'smoothwall'; return
 266     fi
 267
 268     if $GREP -q 'photon' /proc/version; then
 269         echo 'photon'; return
 270     fi
 271
 272     if $GREP -q 'ploplinux' /proc/version; then
 273         echo 'ploplinux'; return
 274     fi
 275
 276     if $GREP -q 'lunar' /proc/version; then
 277         echo 'lunar'; return
 278     fi
 279
 280     if $GREP -q 'SMGL-' /proc/version; then
 281         echo 'smgl'; return
 282     fi
 283
 284     if $GREP -q 'rancher' /proc/version; then
 285         echo 'rancher'; return
 286     fi
 287
 288
 289     if [ -e /init ]; then
 290         if $GREP -q -m1 'T2 SDE' /init; then
 291             echo 't2'; return
 292         fi
 293     fi
 294
 295     if $GREP -q 'wifislax' /proc/version; then
 296         echo 'wifislax'; return
 297     fi
 298
 299     if $GREP -q 'pisilinux' /proc/version; then
 300         echo 'pisilinux'; return
 301     fi
 302
 303     if $GREP -q 'blackPanther' /proc/version; then
 304         echo 'blackPanther'; return
 305     fi
 306
 307     if $GREP -q 'primeos' /proc/version; then
 308         echo 'primeos'; return
 309     fi
 310
 311     if $GREP -q 'austrumi' /proc/version; then
 312         echo 'austrumi'; return
 313     fi
 314
 315     if [ -f /DISTRO_SPECS ]; then
 316         if $GREP -q '[Pp]uppy' /DISTRO_SPECS; then
 317             echo 'debian'; return
 318         fi
 319     fi
 320
 321     echo "default"
 322 }
 323
 324 VTOS=$(ventoy_get_os_type)
 325 echo "OS=###${VTOS}###" >>$VTLOG
 326 if [ -e "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" ]; then
 327     $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh"
 328 fi
 329
 330
 331 ####################################################################
 332 #                                                                  #
 333 # Step 3 : Check for debug break                                   #
 334 #                                                                  #
 335 ####################################################################
 336 if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 337     $SLEEP 5
 338     echo -e "\n\n\033[32m ################################################# \033[0m"
 339     echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
 340     echo -e "\033[32m ################################################# \033[0m \n"
 341     if [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 342         $CAT $VTOY_PATH/log
 343     fi
 344     exec $BUSYBOX_PATH/sh
 345 fi
 346
 347
 348 ####################################################################
 349 #                                                                  #
 350 # Step 4 : Hand over to real init                                  #
 351 #                                                                  #
 352 ####################################################################
 353 $BUSYBOX_PATH/umount /proc
 354 if [ "$rmproc" = "Y" ]; then
 355     $BUSYBOX_PATH/rm -rf /proc
 356 fi
 357
 358 if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 359     export PERSISTENT='YES'
 360     export PERSISTENCE='true'
 361 fi
 362
 363 cd /
 364
 365 unset VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD vtcmdline
 366
 367 for vtinit in $user_rdinit /init /sbin/init /linuxrc; do
 368     if [ -d /ventoy_rdroot ]; then
 369         if [ -e "/ventoy_rdroot$vtinit" ]; then
 370             # switch_root will check /init file, this is a cheat code
 371             echo 'switch_root' > /init
 372             exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit"
 373         fi
 374     else
 375         if [ -e "$vtinit" ];then
 376             if [ -f "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh" ]; then
 377                 $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh"
 378             fi
 379             exec "$vtinit"
 380         fi
 381     fi
 382 done
 383
 384 # Should never reach here
 385 echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n"
 386 exec $BUSYBOX_PATH/sh