#!/bin/sh
export TEXTDOMAIN=slint
LANG=$(</tmp/.SlintInstallationLANG)
ll_TT=${LANG%.*}
. /usr/lib/setup/SeTlocales
SeTFonts
PutFonts
. gettext.sh
TMP=/var/log/setup/tmp
if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
REDIR=/dev/tty4
NDIR=/dev/null

crunch() {
 read STRING;
 echo $STRING;
}

# get_part_size( dev ) - Return the size in K, M, G, T, or P of the named partition.
get_part_size() {
  numfmt --to=iec $(blockdev --getsize64 $1)
}

rm -f $TMP/SeTswap $TMP/SeTswapskip $TMP/SeTuseswap $TMP/tmpscript

SWAPLIST="`probe -l 2> /dev/null | grep "Linux swap" | cut -f 1 -d ' ' | sort 2> $NDIR`" 

if [ "$SWAPLIST" = "" ]; then
 dialog --title "`gettext "NO SWAP SPACE DETECTED"`" --yesno "`gettext "You have not created \
a swap partition with Linux fdisk.  \
Do you want to continue installing without one? "`" 7 80
 if [ "$?" = "1" ]; then
  dialog --title "`gettext "ABORTING INSTALLATION"`" --msgbox "`gettext "Create a swap partition with Linux fdisk, and then try this again."`" \
6 40
 else
  touch $TMP/SeTswapskip
 fi
 exit
else # there is at least one swap partition:
 # Build the swap partition selection menu:
echo -n 'dialog --visit-items --backtitle "' > $TMP/tmpscript
gettext "Setting up swap partitions." >> $TMP/tmpscript
echo -n '" --title "' >> $TMP/tmpscript
gettext "SWAP SPACE DETECTED" >> $TMP/tmpscript
echo -n '" --checklist "' >> $TMP/tmpscript
gettext "Slint Setup has detected one or more swap \
partitions on your system.  These partitions have been \
preselected to be set up as swap space.  If there are any \
swap partitions that you \
do not wish to use with this installation, please unselect \
them with the up and down arrows and spacebar.  If you wish \
to use all of them (this is recommended), simply hit \
the ENTER key." >> $TMP/tmpscript
echo -n '" 0 0 0 ' >> $TMP/tmpscript
 for swappartition in $SWAPLIST ; do
  PARTSIZE=$(get_part_size $swappartition)
echo -n "$swappartition" >> $TMP/tmpscript
echo -n ' "' >> $TMP/tmpscript
eval_gettext "Linux swap partition, \${PARTSIZE}" >> $TMP/tmpscript
echo -n '" on ' >> $TMP/tmpscript
 done
echo -n ' 2> $TMP/SeTuseswap' >> $TMP/tmpscript
 . $TMP/tmpscript
 if [ ! $? = 0 ]; then
  rm -f $TMP/tmpscript $TMP/SeTswap $TMP/SeTuseswap
  touch $TMP/SeTswapskip
 fi

 if [ -r $TMP/SeTuseswap ]; then
  # Remove extra quotes from SeTuseswap, if any:
  cat $TMP/SeTuseswap | tr -d \" > $TMP/SeTfoo
  mv $TMP/SeTfoo $TMP/SeTuseswap

  # Were any swap partitions asked for?
  if [ "$(cat $TMP/SeTuseswap)" = "" -a ! -r $TMP/SeTswapskip ]; then
   rm -f $TMP/tmpscript $TMP/SeTswap $TMP/SeTuseswap
   touch $TMP/SeTswapskip
  fi
 fi

 if [ ! -r $TMP/SeTswapskip ]; then
  dialog --backtitle "`gettext "Setting up swap partitions."`" \
 --title "`gettext "CHECK SWAP PARTITIONS FOR BAD BLOCKS?"`" --defaultno --yesno \
"`gettext "Slint Setup will now prepare your system's swap space.  \
When formatting swap partitions with mkswap you may also check \
them for bad blocks.  This is not the default since nearly all \
modern hard drives check themselves for bad blocks anyway.  \
Would you like to check for bad blocks while running mkswap?"`" \
0 0 
  if [ $? = 0 ]; then
   CHECKBAD=yes
  else
   CHECKBAD=no
  fi

  # Run mkswap on swap partitions, unless they are already in use:
  for swappartition in $(cat $TMP/SeTuseswap) ; do
   if ! grep -w $swappartition /proc/swaps 1> $REDIR 2> $REDIR ; then
    if [ "$CHECKBAD" = "no" ]; then
     mkswap -v1 $swappartition 1> $REDIR 2> $REDIR
    else
     mkswap -c -v1 $swappartition 1> $REDIR 2> $REDIR
    fi
    eval_gettext "Activating swap partition \${swappartition}:"
    echo
    echo "swapon ${swappartition}"
    swapon $swappartition 1> $REDIR 2> $REDIR
   fi
  done

  # This is so people don't ask what that output was that flashed
  # by on the screen.  ;-)
  sleep 2

  # Add the swap partitions to the file that will go into /etc/fstab:
  for swappartition in $(cat $TMP/SeTuseswap) ; do
   printf "%-16s %-16s %-11s %-16s %-3s %s\n" "$swappartition" "swap" "swap" "defaults" "0" "0" >> $TMP/SeTswap
  done

  gettext "Your swapspace has been configured. This information \
  will be added to your /etc/fstab:" > $TMP/swapmsg
  echo >> $TMP/swapmsg
  echo >> $TMP/swapmsg
  cat $TMP/SeTswap >> $TMP/swapmsg
  dialog --title "`gettext "SWAP SPACE CONFIGURED"`" --exit-label OK --no-collapse --msgbox "` cat $TMP/swapmsg`" 11 80
  rm $TMP/swapmsg
 fi  
fi