target/share/install/rootfs/sbin/init

   1 #!/bin/sh
   2
   3 # T2 SDE: target/share/install/rootfs/sbin/init
   4 # Partially based on linuxrc.c, Copyright (C) 2003, 2004 Clifford Wolf and Rene Rebe
   5 # Converted from C to shell, heavily cleaned and improved for the T2 SDE by:
   6 # (C)2005-2021 Rene Rebe, ExactCODE GmbH; Germany.
   7
   8 export PATH="/sbin:/bin:/usr/sbin:/usr/bin"
   9 export HOME="/root"
  10
  11 cd /dev; rm -f fd
  12 ln -sf /proc/kcore      core
  13 ln -sf /proc/self/fd    fd
  14 ln -sf fd/0             stdin
  15 ln -sf fd/1             stdout
  16 ln -sf fd/2             stderr
  17 cd /
  18 mkdir -p /mnt
  19
  20 echo "
  21 T2 SDE installer (2nd stage)
  22
  23 The 2nd stage is a small Linux distribution, loaded into your system's memory.
  24 It has everything needed to install T2 Linux, restore an old installation,
  25 perform some administrative or backup tasks."
  26
  27 for x in /etc/setup-*.sh /setup/setup.sh; do
  28    if [ -f "$x" ]; then
  29       echo; echo "Running $x ..."; sh $x
  30       echo "Setup script $x finished."
  31    fi
  32 done
  33
  34 ttydevs="console= `cat /proc/cmdline`"; ttydevs=${ttydevs##*console=}; ttydevs=${ttydevs%% *}
  35 if [ ! "$ttydevs" ]; then
  36    ttydevs="`grep -a -H Y /sys/class/tty/*/console`"
  37    ttydevs="${ttydevs%%/console*}"; ttydevs=${ttydevs##*/}
  38 fi
  39 ttydevs="${ttydevs:-tty1 tty2 tty3 tty4 tty5 tty6}"
  40 while true; do
  41         echo -n "
  42 If you use a serial terminal, enter the names of terminal devices to use,
  43 for example 'ttyS0' or 'ttyUSB0' for the first serial port or just 'console',
  44 just hit enter otherwise. (default: $ttydevs): "
  45         read _ttydevs
  46         if [ "$_ttydevs" ]; then # check
  47                 for x in $_ttydevs; do
  48                         [ ! -c /dev/$x ] &&
  49                                 echo "$x is not a char-device." && continue 2
  50                 done
  51                 ttydevs="$_ttydevs"
  52         fi
  53         break
  54 done
  55
  56 echo "
  57 If you don't know what to do, it's a good time to read the T2 documentation.
  58 To start a normal installation, simply run: 'install'"
  59
  60 if type -p dialog > /dev/null; then
  61         echo "(or 'install -text' if you prefer non-dialog based menus)"
  62 fi
  63 echo "
  64         https://t2sde.org/support"
  65
  66 for x in $ttydevs; do
  67    ( ( while : ; do agetty -i -J $x -n -N -l /sbin/login-shell; done ) & )
  68 done
  69
  70 exec < /dev/null > /dev/null 2>&1
  71 while : ; do sleep 1; done