share/initrd/rc

   1 #!/bin/sh
   2
   3 # echo "Starting shell from md boot"
   4 # exec sh
   5
   6 /sbin/mount_tmpfs tmpfs /tmp
   7 /sbin/mount_tmpfs tmpfs /var
   8 mkdir /var/tmp
   9
  10 rescue_shell() {
  11         echo "Starting recovery shell!"
  12         exec sh
  13         exit 0
  14 }
  15
  16 for rcs in /etc/rc.*; do
  17         if [ -x $rcs ]; then
  18                 . $rcs
  19         fi
  20 done
  21
  22 echo "Mounting new root"
  23
  24 IFS=':'
  25 REAL_ROOT=`sysctl -n vfs.real_root`
  26 if [ "$?" -ne "0" ]; then
  27         echo "Kernel does not have vfs.real_root sysctl. Please update your" \
  28                 "kernel if you intend to use initrd"
  29         rescue_shell
  30 fi
  31 set -- $REAL_ROOT
  32 TYPE=$1
  33 unset IFS
  34
  35 if [ "$TYPE" = "local" ]; then
  36         FSTYPE=$2
  37         MOUNTFROM=$3
  38         echo "executing /sbin/mount -t $FSTYPE $4 $MOUNTFROM /new_root"
  39         /sbin/mount -t $FSTYPE $4 $MOUNTFROM /new_root
  40         if [ "$?" -ne "0" ]; then
  41                 rescue_shell
  42         fi
  43 else
  44         if [ -x "/etc/rcmount_${TYPE}" ]; then
  45                 . /etc/rcmount_${TYPE} $@
  46                 if [ "$?" -ne "0" ]; then
  47                         rescue_shell
  48                 fi
  49         else
  50                 rescue_shell
  51         fi
  52 fi
  53
  54 rm -rf /var/*
  55 rm -rf /tmp/*
  56 /sbin/umount /var
  57 /sbin/umount /tmp
  58
  59 echo "Mounting devfs on new root"
  60 #/sbin/mount_devfs /new_root/dev
  61 /sbin/mount_null /dev /new_root/dev