#!/bin/sh

#  Make /etc/fstab standard compliant.

#  M.Weller (eowmob@exp-math.uni-essen.de) 13.11.1994.

#  This script is public domain. Still if only slightly

#  modified a credit to me might be nice.

ROOT_PASS=1		# Pass for root file system

NON_ROOT_PASS=2		# Pass for non root file systems

DEF_FLAGS="defaults"	# Default filesysflags

DEF_DUMP=0		# Default dumpfreq.

while read LINE

do

  set -- $LINE

  if [ $# != 0 ]

  then

    case $1 in

      \#* | !* )

	echo "$LINE"

	#  Actually there are no comments allowed in /etc/fstab

	echo "Warning: comment in /etc/fstab detected." >&2

	echo "Please remove it by hand." >&2

	;;

      * )

	if [ $# -gt 6 ] || [ $# -lt 3 ]

	then

	  echo "Don't have a clue about \"$LINE\"." >&2

	  echo "$LINE"

	else

	  case $2 in

	    / )

	      PASS=$ROOT_PASS

	      ;;

	    none )

	      PASS=0

	      ;;

	    * )

	      PASS=$NON_ROOT_PASS

	      ;;

	  esac

	  DUMP=$DEF_DUMP

	  case $3 in

	    ignore | iso9660 | msdos | hpfs | sysv | \

		  xenix | coherent | nfs | proc | sw | swap )

	      DUMP=0;

	      PASS=0;

	      ;;

	  esac

	  case $# in

	    3 )

	      echo "$LINE	$DEF_FLAGS	$DUMP	$PASS"

	      ;;

	    4 )

	      echo "$LINE	$DUMP	$PASS"

	      ;;

	    5 )

	      echo "$LINE	$PASS"

	      ;;

	    6)

	      echo "$LINE"

	      ;;

	  esac

	fi

	;;

    esac

  else

    echo "Warning: One empty line removed." >&2

  fi

done </etc/fstab >/tmp/newfstab.$$

mv -f /etc/fstab /etc/fstab.bak

mv -f /tmp/newfstab.$$ /etc/fstab

if [ $? != 0 ]

then

  echo "Installation of patched /etc/fstab failed."

  echo "It would have been:"

  cat /tmp/newfstab.$$

  rm -f /tmp/newfstab.$$

fi