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|
#!/bin/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 "NO SWAP SPACE DETECTED" --yesno "You have not created \
a swap partition with Linux fdisk. \
Do you want to continue installing without one? " 6 60
if [ "$?" = "1" ]; then
dialog --title "ABORTING INSTALLATION" --msgbox "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:
cat << EOF > $TMP/tmpscript
dialog --backtitle "Setting up swap partitions." \\
--title "SWAP SPACE DETECTED" --checklist \\
"Slackware 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." \\
0 0 0 \\
EOF
for swappartition in $SWAPLIST ; do
PARTSIZE=$(get_part_size $swappartition)
cat << EOF >> $TMP/tmpscript
"$swappartition" "Linux swap partition, ${PARTSIZE}" on \\
EOF
done
cat << EOF >> $TMP/tmpscript
2> $TMP/SeTuseswap
EOF
. $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 "Setting up swap partitions." \
--title "CHECK SWAP PARTITIONS FOR BAD BLOCKS?" --defaultno --yesno \
"Slackware 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?" \
10 60
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
echo "Activating swap partition ${swappartition}:"
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 1
# 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
echo "Your swapspace has been configured. This information will" > $TMP/swapmsg
echo "be added to your /etc/fstab:" >> $TMP/swapmsg
echo >> $TMP/swapmsg
cat $TMP/SeTswap >> $TMP/swapmsg
dialog --title "SWAP SPACE CONFIGURED" --exit-label OK --textbox $TMP/swapmsg 10 72
rm $TMP/swapmsg
fi
fi
|
