src/initscripts/init.d/checkfstab

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/checkfstab
   4 #
   5 # Description : Check and repair fstab if the drivename has changed
   6 #
   7 # Authors     : Arne Fitzenreiter - arne_f@ipfire.org
   8 #
   9 # Version     : 00.00
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 case "${1}" in
  19         start)
  20                 #Skip if root is set by UUID
  21                 if (grep "root=UUID=" /proc/cmdline); then
  22                         exit 0;
  23                 fi
  24                 boot_mesg "Checking fstab bootdevice ..."
  25                 read CMDLINE < /proc/cmdline
  26                 ROOTPOS=`expr index "$CMDLINE" root=`
  27                 NEWROOT=`echo ${CMDLINE:$ROOTPOS} | cut -d"=" -f2 | cut -d" " -f1`;
  28                 OLDBOOT=`cat /etc/fstab | grep -m1 "    /       " | cut -d" " -f1 | cut -f1`;
  29                 OLDDRV=${OLDBOOT::`expr length $OLDBOOT`-1}
  30                 NEWDRV=${NEWROOT::`expr length $NEWROOT`-1}
  31                 if [ "$OLDDRV" == "$NEWDRV" ]; then
  32                     echo_ok;
  33                     exit 0;
  34                 fi
  35                 echo_failure;
  36                 boot_mesg "Warning! Bootdrive not match with fstab!"
  37                 boot_mesg
  38                 boot_mesg "Bootdrive:   $NEWDRV"
  39                 boot_mesg "fstab-entry: $OLDDRV"
  40                 boot_mesg
  41                 if [ "${OLDDRV:0:4}" == "UUID" ]; then
  42                         #Short sleep because the kernel has not finished hardware detections
  43                         #and made many messages here and the password question is not readable
  44                         sleep 3
  45                         boot_mesg "${FAILURE}Error OLD Bootdrive is already a UUID. Can't fix."
  46                         boot_mesg "${NORMAL}"
  47                         sulogin
  48                         reboot -f
  49                 fi
  50                 boot_mesg "Attempt to repair it ..."
  51                 mount -o remount,rw /
  52                 sed -i -e "s|$OLDDRV|$NEWDRV|g" /etc/fstab
  53                 mount /boot
  54                 sed -i -e "s|$OLDDRV|$NEWDRV|g" /boot/grub/grub.conf
  55                 umount /boot
  56                 echo_ok;
  57                 exit 0;
  58                 ;;
  59         *)
  60                 echo "Usage: ${0} {start}"
  61                 exit 1
  62                 ;;
  63 esac
  64
  65 # End $rc_base/init.d/checkfstab