path: root/scripts/mkinstall

#!/bin/sh

# This function collects some information in /proc and other places.
# It should be called ASAP.

function init {
  #umount /mnt/cdrom >/dev/null 2>&1 # to avoid stupid recursive copying !
  CDROMS=$(grep -i '^drive name:' /proc/sys/dev/cdrom/info |cut -f2- -d:)
}

# user interface functions
function ask {
        echo -n "$1 [$2] : "; read 
        if [ "$REPLY" = "" ]; then REPLY=$2; fi
}

function yesno {
        echo -n "$1 [$2] : "; read ; REPLY=`echo $REPLY | cut -c1`
        if [ "$REPLY" = "" ]; then REPLY=$2; fi
        if [ "$REPLY" = o -o "$REPLY" = y -o "$REPLY" = Y ]; then
           REPLY="y"
        fi
}

#
function check_directories {
 if [ ! -d $ROOTDIR/etc/. ] ; then
   if [ -d $ROOTDIR/boot/etc/. ] ; then 
     ln -s boot/etc $ROOTDIR/etc
   else 
     echo "Can't find 'etc' directory neither in '/' nor in '/boot'"
     return 1
   fi
 fi
 if [ ! -d $ROOTDIR/var/. ] ; then 
   mkdir $ROOTDIR/var ; fi
 if [ ! -d $ROOTDIR/var/tmp ] ; then 
   mkdir $ROOTDIR/var/tmp ; chmod 1777 $ROOTDIR/var/tmp ; fi
 if [ ! -d $ROOTDIR/var/run ] ; then 
   mkdir $ROOTDIR/var/run ; fi
 if [ ! -d $ROOTDIR/var/spool ] ; then 
   mkdir $ROOTDIR/var/spool ; fi
 if [ ! -d $ROOTDIR/var/log ] ; then 
   mkdir $ROOTDIR/var/log ; fi
 if [ ! -d $ROOTDIR/var/cache ] ; then 
   mkdir $ROOTDIR/var/cache ; fi
 if [ ! -d $ROOTDIR/var/adm/. ] ; then 
   ln -s log $ROOTDIR/var/adm ; fi

 return 0
}

# this function lists all hard drives found, but hides CDROMs
function list_disks {
  for i in `tail +3 /proc/partitions | awk '{print $4}' | grep '\([a-zA-Z]$\)\|\(c[0-9]*d[0-9]*$\)'`; do
    if ! echo $CDROMS | grep -qw $i; then
       echo $i
    fi
  done
}

function setup_part {

 if [ -e /tmp/devmap -a -e /tmp/fstab ]; then
   echo "Filesystems are currently configured this way :"
   for i in `cut -f1 -d' ' /tmp/devmap`; do grep "^$i[ 	]" /tmp/fstab | awk '{print $1 " => " $2 }'; done
   echo "-- end of list --"
   yesno "Do you want to change something (y/n) ?" "n"
   if [ "$REPLY" != "y" ]; then return 0; fi
   cp /tmp/fstab /tmp/fstab-
   cp /tmp/devmap /tmp/devmap-
 else
   touch /tmp/fstab- /tmp/devmap-
 fi

 # clean temporary files
 rm -rf /tmp/temp.$$ /tmp/fstab /tmp/devmap

 # unmount previously mounted file-systems
 for part in $(grep " $ROOTDIR" /proc/mounts|awk '{print $2}'|sort -r); do
   umount $part;
 done

 echo "/proc		/proc		proc	defaults			0 0" >> /tmp/fstab
 echo "/dev		/dev		tmpfs	size=0,nr_inodes=4096,,remount	0 0" >> /tmp/fstab
 echo "/dev/pts		/dev/pts	devpts	defaults			0 0" >> /tmp/fstab
 echo "/dev/cdrom	/mnt/cdrom	iso9660	defaults,noauto,ro,user		0 0" >> /tmp/fstab

 echo "/dev/$(readlink /dev/cdrom) /dev/cdrom" >> /tmp/devmap 

 # scan all disk
 for disk in $(list_disks); do
   # look for all detected partitions
   for spart in `sfdisk -l /dev/$disk 2>/dev/null | grep "^/" |tr '*' ' '| cut -f3- -d'/' | awk '{print $1 ":" $6 }'` ; do
     # partition name
     part=`echo $spart|cut -f1 -d:`
     set -- `echo $spart | tr ':' ' '`
     set -- $* `fdisk -s /dev/$1` `sfdisk -l /dev/$disk 2>/dev/null | grep "/dev/$1 " | cut -c15-`

     # hide mounted partitions
     part=/dev/$part
     if grep -q "$part " /proc/mounts > /dev/null ; then continue ; fi

     # hide empty or extended partitions
     if [ $2 = 0 -o $2 = 5 ] ; then continue ; fi

     # partition size in Mega Bytes
     size=$[ $3 / 1024]
     # partition type in human readable form
     type=$2
     shift 8
     htype=$* 
     
     # redo while not a good value
     askagain=y
     unset mountpoint
     while [ "$askagain" = "y" ] ; do
       askagain=n
       echo 
       echo "Partition : $part ($htype, ${size} MB)"

       # non linux partition
       if [ $type != 82 -a $type != 83 -a $type != 8e -a $type != fd ] ; then 
         yesno "$part isn't a standard linux partition, would you like an entry in /etc/fstab (y/n)?" "n"
         if [ "$REPLY" = "n" ] ; then continue ; fi
	 fstype=noauto
       else
         fstype=auto
       fi
 
       # getting mount point
       if [ $type = 82 ] ; then
         mountpoint=swap
       else
         mountpoint=$(grep "^$part[ 	]" /tmp/fstab- | awk '{print $2 }')
       fi
       ask "  Choose a mount point (swap,/,/boot,/var,...) or [Enter] for none" "$mountpoint"
       # remove useless leading and trailing slashes
       mountpoint=$(echo $REPLY|sed 's@^\([/]*\)\(/.*\)$@\2@'|sed 's@^\(.*[^/]\)\([/]*\)$@\1@')
       if [ -z "$mountpoint" ] ; then break ; fi

       case "$mountpoint" in
         /)     echo "$part /dev/root" >> /tmp/devmap ;;
         /boot) echo "$part /dev/boot" >> /tmp/devmap ;;
         swap)  echo "$part /dev/swap" >> /tmp/devmap ; echo "$part	swap	swap	defaults	0 0" >> /tmp/fstab;;
         *)     echo "$part /dev/fs/$(echo ${mountpoint#/} |tr '/' '.')" >> /tmp/devmap ;;
       esac

       formatcmd=''
       # format linux partitions
       if [ $type = 82 -o $type = 83 -o $type = 8e -o $type = fd ] ; then 
         # tell how to format
         echo "  0: -- DO NOT format this partition (default) --" ; ch=0
         if [ "$mountpoint" = "swap" ] ; then 
           ch1="mkswap $part" ; echo " >1: $ch1"
           ch2="mkswap -c $part" ; echo "  2: $ch2 (with check)"
	 elif [ "`echo $mountpoint|cut -c1`" = "/" ] ; then
           ch1="mke2fs -b 1024 -m 1 -s 1 $part"
           if [ "$size" -lt 64 ]; then
              echo " >1: $ch1 (small ext2)"
           else
              echo "  1: $ch1 (small ext2)"
           fi
           ch2="mke2fs -b 4096 -s 1 $part" ; echo "  2: $ch2 (large ext2)"
           ch3="mke2fs -b 4096 -s 1 -j $part"
           if [ "$size" -ge 64 ]; then
              echo " >3: $ch3 (ext3)"
           else
              echo "  3: $ch3 (ext3)"
           fi
           ch4="mkreiserfs -h r5 $part" ; echo "  4: $ch4 (reiserfs)"
         fi
         ask "  Select a format method or enter the complete command" "$ch"
         case $REPLY in
           0)     formatcmd='' ;;
           [1-9]) formatcmd=`eval echo '\$ch'$REPLY` ;;
           *)     formatcmd=$REPLY ;;
         esac
       fi
     done
     
     # execute format
     if [ "$formatcmd" ] ; then
       echo -n "Doing: '$formatcmd': "
       eval "echo y | $formatcmd" > /tmp/error.$$ 2>&1
       if [ "$?" = "0" ] ; then 
         echo "done."
       else 
         echo "failed."
         echo "--------------------------------------------------------"
         echo "$formatcmd said:"
         sed -e "s/^/>> /" /tmp/error.$$
         echo "----------- Filesystem will not be mounted -------------"
         mountpoint=""
       fi 
     fi
     if [ "`echo $mountpoint|cut -c1`" = "/" ] ; then
       echo "$mountpoint -t $fstype $part" >> /tmp/temp.$$
     fi
   done 
 done

 # now we will mount all the filesystems we have just created, and add them to fstab
 sort /tmp/temp.$$ | while read ; do
   set -- $REPLY
   mp=$1 ; shift
   if [ ! -d $ROOTDIR$mp ] ; then mkdir -p $ROOTDIR$mp ; echo "Creating directory $mp" ; fi
   if [ $2 != noauto ] ; then 
     echo -n "Mounting $mp ($3): "
     mount -n $* $ROOTDIR$mp > /dev/null 2>&1 
     if [ "$?" = "0" ] ; then echo "done." ; else
       echo "failed."
       echo "##failed## $3	$mp	$2	defaults	1 1" >> /tmp/fstab
     fi
   else 
     echo "#$3	$1      	auto		defaults	0 0" >> /tmp/fstab
   fi
 done
 mount | grep '^[ 	]*/' | grep "$ROOTDIR[/ 	]" | sed "s@$ROOTDIR[/]*@/@" | \
   awk '{ printf "%s\t%s\t%s\tdefaults%s\t1 %s\n",$1,$3,$5,($3=="/" || $3=="/boot")?",ro":"",($3=="/")?"1":"2" }' >> /tmp/fstab
 #grep '^/' /proc/swaps | awk '{ print $1 "\tswap       \tswap       \tdefault	0 0"}' >> /tmp/fstab

 mkdir -p -m 0755 $ROOTDIR/dev $ROOTDIR/proc $ROOTDIR/etc $ROOTDIR/mnt/cdrom
 mount -t proc proc $ROOTDIR/proc  # may be needed for compressed files

### sed -e "s,^#L.*cdrom\$,ln ` readlink /dev/cdrom` /dev/cdrom," < /.preinit > $ROOTDIR/.preinit

 rm -f /tmp/temp.$$
 return 0
}

function setup_keyboard {
 sed -n '/^service keyboard/,/^ *$/p' < /etc/config.rc
}

function setup_mouse {
 sed -n '/^service mouse/,/^ *$/p' < /etc/config.rc
}

function setup_network {
 echo "# hostname formilux"
 echo "# interface eth0"
 echo "#    ip address 10.101.20.4/16"
 echo "#    ip dhcp"
 echo "# service network"
}

# (re)build config.rc, startup.rc, fstab, devmap, lilo.conf
function setup_config {
  local MNT="$1"
  local MPWD=$PWD
  local TMP=/tmp/newconf

  if [ ! -w /tmp ] ; then
    echo "Directory /tmp not writable"; exit 1
  fi

  mkdir -p $TMP >/dev/null 2>&1

  if [ "$MNT" = "" ] ; then MNT="$ROOTDIR"; fi

# copy startup.rc and config.rc
  rm -f $TMP/config.rc $TMP/startup.rc
  if [ "$UPDATE_ONLY" != "y" -o ! -e $MNT/etc/config.rc ]; then
    echo           >> $TMP/config.rc
    echo "# service syslogd" >> $TMP/config.rc
    echo           >> $TMP/config.rc
    setup_network  >> $TMP/config.rc
    echo           >> $TMP/config.rc
    setup_keyboard >> $TMP/config.rc
    setup_mouse    >> $TMP/config.rc
    chmod 644 $TMP/config.rc
  fi

  if [ "$UPDATE_ONLY" != "y" -o ! -e $MNT/etc/startup.rc ]; then
    echo "#!/bin/sh" >> $TMP/startup.rc
    echo "echo -n \"Default configuration ... \" " >> $TMP/startup.rc
    echo "/sbin/init.d/sysprofiles /etc/config.rc" >> $TMP/startup.rc
    chmod 755 $TMP/startup.rc
  fi

# copy fstab
  cp /tmp/fstab $TMP/fstab

# copy devmap
  BOOTDEV=${BOOTDEV:-`echo $ROOTDEV | sed 's/[0-9]\+$//'`}
  ask "Choose device on which LILO will be installed " $BOOTDEV
  BOOTDEV=$REPLY
  grep -v '/dev/mbr$' /tmp/devmap > $TMP/devmap
  echo "$BOOTDEV /dev/mbr" >> $TMP/devmap

# build a new lilo.conf 
  cd $MNT

  KERNVER=`ls boot/*/bzImage | tail -1 | cut -f2 -d/`
  KERNLBL=`echo $KERNVER | tr -d '.-'`
  cat > $TMP/lilo.conf <<EOF
serial = 0,9600n8
boot = $BOOTDEV
default = l$KERNLBL
EOF

  for bootimg in `ls boot/*/bzImage` ; do
    echo "image = /$bootimg" >> $TMP/lilo.conf
    echo "  label = l`echo $bootimg | cut -f2 -d/ | tr -d '.-'`" >> $TMP/lilo.conf
    echo "  append = \"root=$ROOTDEV\"" >> $TMP/lilo.conf
    echo "  read-only" >> $TMP/lilo.conf
  done

  if [ `grep "label =" $TMP/lilo.conf | wc -l` = 0 ]; then
    echo
    echo "WARNING!!! no kernel was found in $MNT/boot !!!"
    echo "You must install a kernel and edit $TMP/lilo.conf or your system will never boot."
    echo
    sleep 1
  fi

# copy /.preinit
  if [ -e $MNT/.preinit -a "$UPDATE_ONLY" = "y" ]; then
    cp $MNT/.preinit $TMP/.preinit
  else
    cp /.preinit $TMP/.preinit
  fi

  # 1st complicated part : merge old and new fstab.
  # Method:
  #  - mount points only in old fstab are kept as-is
  #  - mount points in both with same types only have their dev updated
  #  - mount points in both with diff types are fully updated
  #  - mount points only in new fstab are merged
  if [ "$UPDATE_ONLY" = "y" -a -e $MNT/etc/fstab ]; then
    rm -f $TMP/fstab
    while read; do 
      set -- $REPLY
      if ! grep -q "^[^ 	]\+[ 	]\+${2}[ 	]" /tmp/fstab; then
        # not found
	echo "$REPLY" >> $TMP/fstab
      elif ! grep -q "^[^ 	]\+[ 	]\+${2}[ 	]\+${3}[ 	]" /tmp/fstab; then
        # not found with the same type
        echo "##old##$REPLY" >> $TMP/fstab 
        grep "^[^ 	]\+[ 	]\+${2}[ 	]" /tmp/fstab >> $TMP/fstab
      else
        # found with the same type. We may have to update the device
        dev=`grep "^[^# 	]\+[ 	]\+${2}[ 	]" /tmp/fstab|head -1|awk '{print $1}'`
        if [ "$dev" -a "$dev" != "$1" ]; then
           echo "##old##$REPLY" >> $TMP/fstab 
           echo "$dev	$2	$3	$4	$5 $6" >> $TMP/fstab  # keep options
        else
           echo "$REPLY" >> $TMP/fstab  # was commented or the same
        fi
      fi 
    done < $MNT/etc/fstab

    # add new entries
    while read; do 
      set -- $REPLY
      if ! grep -q "^[^ 	]\+[ 	]\+${2}[ 	]" $TMP/fstab; then
	echo "$REPLY" >> $TMP/fstab
      fi 
    done < /tmp/fstab
  fi

  # try to update lilo.conf

  if [ -e $MNT/etc/lilo.conf -a "$UPDATE_ONLY" = "y" ]; then
    rm -f $TMP/lilo.conf
    if grep -q "^image.*$KERNVER" $MNT/etc/lilo.conf; then
      # the latest kernel is referenced. We can use this conf.
      (echo "boot = $BOOTDEV" ; grep -v "^boot[ 	]*=[ 	]*$BOOTDEV" $MNT/etc/lilo.conf | sed 's/^\(boot[ 	]*=\)/##old##\1/') > $TMP/lilo.conf
    else
      # the latest kernel is missing from lilo.conf.
      (echo "boot = $BOOTDEV" ; grep -v "^boot[ 	]*=[ 	]*$BOOTDEV" $MNT/etc/lilo.conf | sed 's/^\(boot[ 	]*=\)/##old##\1/') | sed -e 's:^\(image.*=[^/]*/boot/\)\([^/]*\)\(/.*\)$:\1'$KERNVER'\3:' > $TMP/lilo.conf
    fi
  fi
 
  # now, we may have to update .preinit to create aliased entries.
  # we remove all references to devices that have been updated

  grep -v "^[#]*\(ln\|L\).*[ 	]\+\($(echo `cut -f2 -d' ' $TMP/devmap`|sed 's@ @\\|@g')\)" $TMP/.preinit > $TMP/.preinit-
  grep -v ' /dev/fs/' $TMP/devmap | sed 's@^/dev/@ln @' >> $TMP/.preinit-
  if grep -q ' /dev/fs' $TMP/devmap; then
    if ! grep -q "^\(md\|M\)[ 	]\+/dev/fs" $TMP/.preinit-; then
       echo "md /dev/fs 755" >> $TMP/.preinit-
    fi
    grep ' /dev/fs/' $TMP/devmap | sed 's@^/dev@ln ..@' >> $TMP/.preinit-
  fi
  mv $TMP/.preinit- $TMP/.preinit ; chmod 711 $TMP/.preinit

  rm -f $TMP/passwd
  if [ "$UPDATE_ONLY" != "y" -o ! -e $MNT/etc/passwd ]; then
    sed -e 's@/home/admin@/root@' < /etc/passwd |grep -v '^\(squid:\|pdnsd:\|flx:\|install:\)' > $TMP/passwd
    chmod 644 $TMP/passwd
  fi

  # if /var is on its own filesystem, /tmp must be a true filesystem too.
  if grep -q ' \(/dev/fs/var\|/dev/fs/var\.tmp\)$' $TMP/devmap; then
    if ! grep -q "^[^ 	]\+[ 	]\+/tmp[ 	]" $TMP/fstab; then
      echo "/tmp		/tmp	tmpfs	defaults	0 0" >> $TMP/fstab
    fi 
  fi 
       
  cd $MPWD
  return 0
}

function apply_config {
  local MNT=$1
  local TMP=/tmp/newconf

  [ -e $TMP/.preinit ]   && (rm -f $MNT/.preinit       ; cp -p $TMP/.preinit   $MNT)
  [ -e $TMP/passwd ]     && (rm -f $MNT/etc/passwd     ; cp -p $TMP/passwd     $MNT/etc)
  [ -e $TMP/lilo.conf ]  && (rm -f $MNT/etc/lilo.conf  ; cp -p $TMP/lilo.conf  $MNT/etc)
  [ -e $TMP/fstab ]      && (rm -f $MNT/etc/fstab      ; cp -p $TMP/fstab      $MNT/etc)
  [ -e $TMP/config.rc ]  && (rm -f $MNT/etc/config.rc  ; cp -p $TMP/config.rc  $MNT/etc)
  [ -e $TMP/startup.rc ] && (rm -f $MNT/etc/startup.rc ; cp -p $TMP/startup.rc $MNT/etc)

  # replace /tmp with a directory if needed
  if grep -q "^[^ 	]\+[ 	]\+/tmp[ 	]" $TMP/fstab; then
    if [ -L $MNT/tmp ]; then rm -f $MNT/tmp && mkdir -m 1777 $MNT/tmp >/dev/null 2>&1; fi
  fi 
  return 0
}

function do_lilo {
  if [ -e $ROOTDIR/dev -a -e $ROOTDIR/.preinit -a -e $ROOTDIR/etc/lilo.conf ]; then
    chroot $ROOTDIR /.preinit rebuild
    chroot $ROOTDIR /sbin/lilo || lilo -r $ROOTDIR
    umount $ROOTDIR/dev  # remove what .preinit has installed
  else
    echo "LILO has NOT been run because it needs /dev, /.preinit, and /etc/lilo.conf"
  fi
  return 0
}



# main

init

if [ $0 = "mkdisk" ] ; then setup_part && exit 0 ; exit 1 ; 
elif [ $0 = "mkconfig" ] ; then setup_config $1 && exit 0 ; exit 1 ; 
elif [ $0 = "doconfig" ] ; then apply_config $1 && exit 0 ; exit 1 ; 
fi

end=0
while [ $# -ge 1 -a "$end" -ne 1 ] ; do
  case $1 in
    --disk) setup_part;;
    --config) setup_config $2; shift;;
    --apply) apply_config $2; shift;;
    --) end=1;;
    *) end=1;; 
  esac
  if [ "$end" -eq 1 ] ; then break ; fi
  shift
done

ROOTDIR=/mnt/disk
PKGDIR=/home/pkg
SHELLDIR=/

action=1
while [ "$action" != "q" -a "$action" != "Q" ] ; do
  
  ROOTDEV=`mount | grep " on $ROOTDIR " | cut -f1 -d' '`
  
  echo
  echo "Possible actions are :"
  echo "1: Run fdisk"
  echo "2: Setup filesystems"
  echo "3: Install packages"
  echo "4: Build running config"
  echo "5: Save built config for next reboot"
  echo "6: Run lilo"
  echo "7: Unmount all"
  echo "s: Shell"
  echo "q: Quit"

  ask "Select an action (1..7/s/q)" "$action"

  if [ "$REPLY" = "q" -o "$REPLY" = "Q" ] ; then break; fi
  if [ "$REPLY" = "s" -o "$REPLY" = "S" ] ; then (cd $SHELLDIR; pwd; sh -i); REPLY=$action; continue; fi

  action=`expr $REPLY + 1`
  if [ "$action" = 8 ] ; then action=q ; fi
  echo
  case $REPLY in
    1) 
      # unmount previously mounted file-systems
      for part in $(grep " $ROOTDIR" /proc/mounts|awk '{print $2}'|sort -r); do umount $part; done

      for disk in $(list_disks); do
        sfdisk -l /dev/$disk
        yesno "Clear partition table for '/dev/$disk' (y/n)?" "n"
        if [ "$REPLY" = "y" ] ; then
          dd if=/dev/zero of=/dev/$disk bs=1024 count=1 > /dev/null 2>&1
          (echo o ; echo w ) | fdisk /dev/$disk > /dev/null 2>&1
        fi
        yesno "Run 'fdisk' for '/dev/$disk' (y/n)" "y"
        if [ "$REPLY" = "y" ] ; then
          fdisk /dev/$disk
        fi
      done 
      SHELLDIR=/
      ;;
    2) 
      setup_part 
      SHELLDIR=/
      ;;
    3) 
      cd /
      if [ "$ROOTDEV" != "" ] ; then
        ask "Packages directory, or files pattern ($PKGDIR, $PKGDIR/*.lst, *.prf, *.tgz)"$'\n'"   " $PKGDIR ; PKGDIR="$REPLY"
        if [ -d "$PKGDIR" ]; then
          list=`cd $PKGDIR && ls *.prf *.lst *.tgz 2>/dev/null`
        else
          list=`basename "$PKGDIR"`
          PKGDIR=`dirname "$PKGDIR"`
          list=$(cd $PKGDIR && echo $list)
        fi
	echo "Package list :"; (cd $PKGDIR && ls $list); echo
        for pack in $list ; do
          ask "Install package '$pack' (y/n/./<other dest>) ?" "y"
          INSTDIR=/
          if [ "`echo $REPLY | cut -c1`" = "/" ] ; then INSTDIR=$REPLY ; fi
	  if [ "$REPLY" = "." ]; then break; fi
          if [ "$REPLY" != "n" -a "$REPLY" != "N" ] ; then
            case "$pack" in
              *lst) cat $PKGDIR/$pack | xargs cp --target-directory=$ROOTDIR$INSTDIR -p --parents -d -R -x ;;
              *tgz) mkdir -p -m 0755 $ROOTDIR$INSTDIR && tar zpxf $PKGDIR/$pack -C $ROOTDIR$INSTDIR ;;
              *prf) flxextract -R $ROOTDIR$INSTDIR -i $PKGDIR/$pack ;;
            esac
          fi
        done 
        check_directories || exit 1
      fi
      SHELLDIR=/
      ;;
    4) 
      check_directories || exit 1
      if [ "$UPDATE_ONLY" != "n" -a "$UPDATE_ONLY" != "y" ]; then
      echo "Existing files can be REPLACED or UPDATED."
        yesno "Do you prefer to UPDATE existing files (y/n) ?" "y"
        UPDATE_ONLY="$REPLY"
      fi
      setup_config $ROOTDIR 
      echo "done."
      echo "New files have been written to /tmp/newconf/"
      echo "You can check them now by starting a shell."
      SHELLDIR=/tmp/newconf
      (cd $SHELLDIR ; ls -lart)
      ;;
    5)
      echo "Saving config (.preinit, startup.rc, config.rc, fstab, lilo.conf, passwd)"
      apply_config $ROOTDIR 
      echo "Saving config ... done."
      echo "Updating dynamic files (/etc/formilux/sig.dat, /etc/ld.so.cache) ... "
      ldconfig -r $ROOTDIR > /dev/null 2>&1 

      for SYSTEMMAP in `echo $ROOTDIR/boot/System.map-*`; do
        KERNVER=${SYSTEMMAP#$ROOTDIR/boot/System.map-}
        chroot $ROOTDIR depmod -a -F /boot/System.map-$KERNVER $KERNVER
      done

      echo "Signing the filesystem... (this may take a while)"
      cd $ROOTDIR ; signfs -x `mount|grep -v ' type \(tmpfs\|ramfs\)'|grep "^/.* $ROOTDIR "| \
         sed "s@^.*$ROOTDIR\([^ ]*\) .*@.\1@"` > /etc/formilux/sig.dat
      echo "Updating dynamic files ... done."
      SHELLDIR=/
      ;;
    6)
      do_lilo
      SHELLDIR=/
      ;;
    7)
      cd /
      for mp in `grep "$ROOTDIR" /proc/mounts | cut -f2 -d' ' | sort -r` ; do
        umount -n $mp
      done 
      SHELLDIR=/
      ;;
    *) 
      ;;
  esac
done