#----------------------------------------------------------------------------
# /etc/boot.d/rc100.hdboot
#
# Creation:     2004-06-26 hs
# Last Update:  $Id$
#----------------------------------------------------------------------------
fli4l_path=/opt/files

integrate_opt () {
    for i in $fli4l_path/*
    do
        case $i in
            "$fli4l_path/lost+found") ;;
            *) /etc/mklinks.sh $i /`basename $i` ;;
        esac
    done
}

scandevices ()
{
  lastdev=''
  for dev in `sed -n '/ 1 [a-z]/d;s/^[ 0-9]\+\([^ 0-9#]\+[0-9]\{0,1\}\)$/\1/p' /proc/partitions`
  do
    basedev=`echo $dev | sed 's/[0-9]\+//'`
    if [ "$lastdev" != "$basedev" ]
    then
      if [ -n "$lastdev" ]
      then
        echo $lastdev
      fi
    fi
    lastdev=$dev
  done
  if [ -n "$lastdev" ]
  then
    echo $lastdev
  fi
}

# search for boot-partition if no boot=... was found in append-line
begin_script BOOT "mounting boot device ..."

boot_fs=vfat

boot_dev=''
boot_dev1=''
boot_timeout=0
if [ "$boot" = "" ]
then
    while [ $boot_timeout -lt 10 ]
    do
      rcmd5=`md5sum </etc/rc.cfg | sed 's/ .*//'`
      for i in `scandevices` 
      do
              if mount -r /dev/$i /boot -t $boot_fs
              then
                  if [ -f /boot/rootfs.img ]
                  then
                      if [ "$rcmd5" = `sed -n "s/FLI4L_MD5_RC_CFG='\([a-f0-9]\{32\}\)'/\1/p" /boot/$rcfile` ]
                      then
                          boot=/dev/$i
                          boot_dev=/dev/$i
                          break
                      else
                          # Note down first found partition - maybe we need to use it although md5sum doesn't match.
                          : ${boot_dev1:="/dev/$i"}
                      fi
                  fi
                  umount /boot
              fi
      done
      if [ -z "$boot_dev" -a $boot_timeout -lt 2 ]
      then
        sleep 1
      else
        if [ -z "$boot_dev1" -a -z "$boot_dev" ]
        then
          sleep 1
        else
          boot_timeout=9999999
        fi
      fi
      boot_timeout=`expr $boot_timeout + 1`
    done
else
    if mount -r $boot /boot -t $boot_fs
    then
        boot_dev=$boot
    fi
fi
if [ -z "$boot_dev" -a -n "$boot_dev1" ]
then
    boot=$boot_dev1
    boot_dev=$boot
    mount -r $boot /boot -t $boot_fs
fi
if [ ! "$boot_dev" ]
then
    {
        if [ ! "$boot" ]
        then
            echo "Unable to locate boot partition."
        else
            echo "Unable to mount boot '$boot' partition."
        fi
        echo "Available partitions:"
        cat /proc/partitions
    } | log_error
    stop "can't mount boot-partition, check partitions and drivers"
fi

end_script

# manual formated CFs without hd.cfg stops otherwise
if [ -f /boot/hd.cfg ]
then
    read_config /boot/hd.cfg
else
    log_error "no /boot/hd.cfg found"
fi

# Re-Map Devices of hd.cfg to match boot-device (only the ones with same base-device as hd_boot)
cfg_basedev=`echo $hd_boot | sed 's/[0-9]$//'`
boot_basedev=`basename $boot | sed 's/[0-9]$//'`
eval `set | sed -n "s/hd_\(boot\|data\|swap\|opt\)='$cfg_basedev\([0-9]\)'/hd_\1='$boot_basedev\2'/p"`

if [ -n "`set | sed -n '/^hd_\(opt\|swap\|data\)_uuid/p'`" ]
then
    blkid >/tmp/blkid.tmp
fi

# find swap-partition created with opt_hdinstall typ a or b
if [ "$hd_swap" ] 
then
    if [ -n "$hd_swap_uuid" ]
    then
        # swapon doesn't know about -U Parameter
        tv=`sed -n "s#/dev/\([sh]d[a-h][1-9]\):.*UUID=\"${hd_swap_uuid}\".*#\1#p" </tmp/blkid.tmp`
        if [ -n "$tv" ]
        then
            hd_swap=$tv
        fi
    fi
    if grep -q "$hd_swap" /proc/partitions
    then
        log_info "activating swapspace..."
        echo "/dev/$hd_swap swap swap defaults 0 0" >> /etc/fstab
        swapon -a || log_error "can't activate swapspace"
    fi
fi        

# Re-Map hd_data if hd_data_uuid is set
if [ -n "$hd_data" -a -n "$hd_data_uuid" ]
then
    tv=`sed -n "s#/dev/\([sh]d[a-h][1-9]\):.*UUID=\"${hd_data_uuid}\".*#\1#p" </tmp/blkid.tmp`
    if [ -n "$tv" ]
    then
        hd_data=$tv
    fi
fi

if [ -z "$hd_opt" -o "$fli4l_ramdisk" = "yes" ]
then        # typ A
    begin_script BOOT "unpacking opt archive ..."
    extract_opt /boot/$opt_archive "$unzip_method" "you seem to be out of ram"
    end_script
elif [ -f /boot/$opt_archive ]
then        # typ B, fresh optfile exists
    begin_script BOOT "unpacking opt new archive ..."    
    rm -rf /opt
    mkdir /opt
    echo "/dev/$hd_opt /opt ext3 ro,noatime 0 0" >>/etc/fstab
    e2fsck -p /dev/"$hd_opt"
    mount /opt || stop "can't mount opt-partition, check drivers"
    mount -w -o remount /opt
    # remove old files first
    rm -rf $fli4l_path
    mkdir -p $fli4l_path
    extract_opt /boot/$opt_archive "$unzip_method" "you seem to be out of ram" $fli4l_path
    mount -r -o remount /opt
    mount -w -o remount $boot /boot
    mv /boot/$opt_archive /boot/opt.old
    end_script
else        # typ B, optfile already unpacked
    begin_script BOOT "mounting opt partition ..."
    rm -rf /opt
    mkdir /opt
    if [ -n "$hd_opt_uuid" ]
    then
        tv=`sed -n "s#/dev/\([sh]d[a-h][1-9]\):.*UUID=\"${hd_opt_uuid}\".*#\1#p" </tmp/blkid.tmp`
        if [ -n "$tv" ]
        then
            hd_opt=$tv
        fi
    fi
    echo "/dev/$hd_opt /opt ext3 ro,noatime 0 0" >>/etc/fstab
    mount /opt || stop "can't mount opt-partition, check drivers"
    end_script
fi

if [ -f /tmp/blkid.tmp ]
then
    rm /tmp/blkid.tmp
fi

if [ "$hd_opt" -a "$fli4l_ramdisk" != "yes" ]
then
    begin_script BOOT "integrating mounted opt partition ..."
    integrate_opt
    end_script
fi