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#!/bin/sh
PARTITIONSPATH="/proc/partitions"
CONFIGPATH="./config"
DEFPARTSIZE=2 #in GB
DEFSCRATCHID=44
DEFHOMEID=45
DEFDNBD3ID=46
DEFBOOTID=47
# BLOCKSIZE=$(sfdisk -l /dev/$CHOSENDISK | grep -o -e "blocks of [0-9]* bytes" | cut -d ' ' -f3)
BLOCKSIZE=1024
. $CONFIGPATH
# testing if the sizes and ID's of the disk is defined in the config file
test $SCRATCHID
if [ $? -eq 1 ]; then
SCRATCHID=$DEFSCRATCHID
fi
test $SCRATCHSIZE
if [ $? -eq 1 ]; then
SCRATCHSIZEGB=$DEFPARTSIZE
SCRATCHSIZE=$(($DEFPARTSIZE*1024*1024*1024))
else
SCRATCHSIZEGB=$SCRATCHSIZE
SCRATCHSIZE=$(($SCRATCHSIZE*1024*1024*1024))
fi
test $HOMEID
if [ $? -eq 1 ]; then
HOMEID=$DEFHOMEID
fi
test $HOMESIZE
if [ $? -eq 1 ]; then
HOMESIZEGB=$DEFPARTSIZE
HOMESIZE=$(($DEFPARTSIZE*1024*1024*1024))
else
HOMESIZEGB=$HOMESIZE
HOMESIZE=$(($HOMESIZE*1024*1024*1024))
fi
test $DNBD3ID
if [ $? -eq 1 ]; then
DNBD3ID=$DEFDNBD3ID
fi
test $DNBD3SIZE
if [ $? -eq 1 ]; then
DNBD3SIZEGB=$DEFPARTSIZE
DNBD3SIZE=$(($DEFPARTSIZE*1024*1024*1024))
else
DNBD3SIZEGB=$DNBD3SIZE
DNBD3SIZE=$(($DNBD3SIZE*1024*1024*1024))
fi
test $BOOTID
if [ $? -eq 1 ]; then
BOOTID=$DEFBOOTID
fi
test $BOOTSIZE
if [ $? -eq 1 ]; then
BOOTSIZEGB=$DEFPARTSIZE
BOOTSIZE=$(($DEFPARTSIZE*1024*1024*1024))
else
BOOTSIZEGB=$BOOTSIZE
BOOTSIZE=$(($BOOTSIZE*1024*1024*1024))
fi
# picking disk that will be used
DISKS=$(cat $PARTITIONSPATH | tr -s ' ' | cut -d ' ' -f5 | grep -e "[a-z]$")
test $DISKS 2> /dev/null
if [ $? -eq 1 ]; then
dialog --msgbox "ERROR: Can't find an hard disk." 5 40
return 1
fi
test $CHOSENDISK
if [ $? -eq 1 ]; then
DIALOGSTR="This computer has the following partitions:\n"
for disk in $DISKS; do
DISKSIZE=$(($(cat $PARTITIONSPATH | grep -e $disk$ | tr -s ' ' | cut -d ' ' -f4)*$BLOCKSIZE))
PARTS=$(cat $PARTITIONSPATH | grep -e $disk[0-9] | tr -s ' ' | cut -d ' ' -f5)
GBSIZE=$(echo "scale=2; $DISKSIZE/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR"$disk $DISKSIZE Bytes ($GBSIZE GB)\n"
USED=0
for PART in $PARTS; do
PARTSIZE=$(($(cat $PARTITIONSPATH | grep -e $PART$ | tr -s ' ' | cut -d ' ' -f4)*1024))
USED=$(($USED+$PARTSIZE))
GBSIZE=$(echo "scale=2; $PARTSIZE/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" $PART $PARTSIZE ($GBSIZE GB)\n"
done
DIALOGSTR=$DIALOGSTR" ----------\n"
FREESPACE=$(($DISKSIZE-$USED))
GBSIZE=$(echo "scale=2; $USED/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" Used $USED ($GBSIZE GB)\n"
GBSIZE=$(echo "scale=2; $FREESPACE/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" Free $FREESPACE ($GBSIZE GB)\n\n"
done
if [ $(echo $DISKS | tr ' ' \\n | wc -l) -gt 1 ]; then
DIALOGSTR=$DIALOGSTR"Which of these disks you want to use?\n"
CHOSENDISK=$(dialog --no-collapse --cr-wrap --inputbox "$DIALOGSTR" 0 0 $(echo $DISKS | cut -d ' ' -f1) 3>&1 1>&2 2>&3)
if [ $? -eq 1 ]; then
return 1;
fi
echo $DISKS | tr ' ' \\n | grep -e ^$CHOSENDISK$ > /dev/null 2>/dev/null
while [ $? -ne 0 ]; do
dialog --msgbox "Invalid option.\nTry again." 0 0
CHOSENDISK=$(dialog --no-collapse --cr-wrap --inputbox "$DIALOGSTR" 0 0 $(echo $DISKS | cut -d ' ' -f1) 3>&1 1>&2 2>&3)
if [ $? -eq 1 ]; then
return 1;
fi
echo $DISKS | tr ' ' \\n | grep -e ^$CHOSENDISK$ > /dev/null 2>/dev/null
done
# ask a confirmation (all your data will be lost etc)
elif [ $(echo $DISKS | tr ' ' \\n | wc -l) -eq 1 ]; then
CHOSENDISK=$(echo $DISKS | tr ' ' \\n | head -n1)
else
dialog --msgbox "ERROR: Can't find an hard disk." 5 40
return 1
fi
fi
DISKSIZE=$(($(cat $PARTITIONSPATH | grep -e $CHOSENDISK$ | tr -s ' ' | cut -d ' ' -f4)*$BLOCKSIZE))
echo "$DISKSIZE -lt $(($SCRATCHSIZE+$HOMESIZE+$DNBD3SIZE+$BOOTSIZE+4*1024*1024))"
if [ $DISKSIZE -lt $(($SCRATCHSIZE+$HOMESIZE+$DNBD3SIZE+$BOOTSIZE+4*1024*1024)) ]; then
dialog --msgbox "ERROR: Insufficient space in disk /dev/$CHOSENDISK." 6 40
return 1
fi
# choosing the partition type (MSDOS or GPT) if it wasn't set in config file
test $PARTITIONTYPE
if [ $? -eq 1 ]; then
ANS=$(dialog --no-tags --menu "Choose the partitions type" 0 0 0 "1" " MSDOS " "2" " GPT " 3>&1 1>&2 2>&3)
if [ $? -eq 1 ]; then
return 1
fi
if [ $ANS -eq 1 ]; then
PARTITIONTYPE=MSDOS
else
PARTITIONTYPE=GPT
fi
fi
# asking confirmation to create the partitions
GBSIZE=$(echo "scale=2; $DISKSIZE/1024/1024/1024" | bc -l)
DIALOGSTR="$CHOSENDISK $DISKSIZE Bytes ($GBSIZE GB)\n"
PARTS=$(cat $PARTITIONSPATH | grep -e $CHOSENDISK[0-9] | tr -s ' ' | cut -d ' ' -f5)
USED=0
for PART in $PARTS; do
PARTSIZE=$(($(cat $PARTITIONSPATH | grep -e $PART$ | tr -s ' ' | cut -d ' ' -f4)*$BLOCKSIZE))
USED=$(($USED+$PARTSIZE))
GBSIZE=$(echo "scale=2; $PARTSIZE/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" $PART $PARTSIZE ($GBSIZE GB)\n"
done
DIALOGSTR=$DIALOGSTR" ----------\n"
FREESPACE=$(($DISKSIZE-$USED))
GBSIZE=$(echo "scale=2; $USED/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" Used $USED ($GBSIZE GB)\n"
GBSIZE=$(echo "scale=2; $FREESPACE/1024/1024/1024" | bc -l)
DIALOGSTR=$DIALOGSTR" Free $FREESPACE ($GBSIZE GB)\n\n"
DIALOGSTR=$DIALOGSTR"All /dev/$CHOSENDISK partitions will be deleted, ok?"
dialog --defaultno --yesno "$DIALOGSTR" 0 0
if [ $? -eq 1 ]; then
return 1
fi
# pick the size of a sector (usually 512 bytes)
# SECTORSIZE=$(sfdisk /dev/$CHOSENDISK -l -u S 2> /dev/null | grep Units | cut -d ' ' -f5)
SECTORSIZE=512
# delete partition table
echo "apaga"
sgdisk -Z /dev/$CHOSENDISK > /dev/null 2> /dev/null
# constructing the sfdisk input file
START1=$((1*1024*1024/$SECTORSIZE))
SIZE1=$(($SCRATCHSIZE/$SECTORSIZE))
START2=$(($START1+$SIZE1))
SIZE2=$(($HOMESIZE/$SECTORSIZE))
START3=$(($START2+$SIZE2))
SIZE3=$(($DNBD3SIZE/$SECTORSIZE))
START4=$(($START3+$SIZE3))
SIZE4=$(($BOOTSIZE/$SECTORSIZE))
echo "cria sfdisk"
echo "unit: sectors
/dev/"$CHOSENDISK"1 : start= "$START1", size= "$SIZE1", Id= "$SCRATCHID"
/dev/"$CHOSENDISK"2 : start= "$START2", size= "$SIZE2", Id= "$HOMEID"
/dev/"$CHOSENDISK"3 : start= "$START3", size= "$SIZE3", Id= "$DNBD3ID"
/dev/"$CHOSENDISK"4 : start= "$START4", size= "$SIZE4", Id= "$BOOTID," bootable
"> /tmp/emptydisk.tmp
sfdisk -q -f /dev/$CHOSENDISK < /tmp/emptydisk.tmp > /dev/null
rm -f /tmp/emptydisk.tmp
if [ $PARTITIONTYPE = GPT ]; then
echo "converte e aplica GUID"
sgdisk -g /dev/$CHOSENDISK\
-t 1:"$SCRATCHID"000000-0000-0000-0000-000000000000\
-t 2:"$HOMEID"000000-0000-0000-0000-000000000000\
-t 3:"$DNBD3ID"000000-0000-0000-0000-000000000000\
-t 4:"$BOOTID"000000-0000-0000-0000-000000000000 > /dev/null
DIALOGSTR="New partitions created:\n\n"
DIALOGSTR=$DIALOGSTR"SCRATCH ("/dev/$CHOSENDISK"1)\n"
DIALOGSTR=$DIALOGSTR" GUID: "$SCRATCHID"000000-0000-0000-0000-000000000000\n"
DIALOGSTR=$DIALOGSTR" Size: $SCRATCHSIZE Bytes ($SCRATCHSIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"HOME ("/dev/$CHOSENDISK"2)\n"
DIALOGSTR=$DIALOGSTR" GUID: "$HOMEID"000000-0000-0000-0000-000000000000\n"
DIALOGSTR=$DIALOGSTR" Size: $HOMESIZE Bytes ($HOMESIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"DNBD3 ("/dev/$CHOSENDISK"3)\n"
DIALOGSTR=$DIALOGSTR" GUID: "$DNBD3ID"000000-0000-0000-0000-000000000000\n"
DIALOGSTR=$DIALOGSTR" Size: $DNBD3SIZE Bytes ($DNBD3SIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"BOOT ("/dev/$CHOSENDISK"4)\n"
DIALOGSTR=$DIALOGSTR" GUID: "$BOOTID"000000-0000-0000-0000-000000000000\n"
DIALOGSTR=$DIALOGSTR" Size: $BOOTSIZE Bytes ($BOOTSIZEGB GB)\n"
else
DIALOGSTR="New partitions created:\n\n"
DIALOGSTR=$DIALOGSTR"SCRATCH ("/dev/$CHOSENDISK"1)\n"
DIALOGSTR=$DIALOGSTR" ID: $SCRATCHID\n"
DIALOGSTR=$DIALOGSTR" Size: $SCRATCHSIZE Bytes ($SCRATCHSIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"HOME ("/dev/$CHOSENDISK"2)\n"
DIALOGSTR=$DIALOGSTR" ID: $HOMEID\n"
DIALOGSTR=$DIALOGSTR" Size: $HOMESIZE Bytes ($HOMESIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"DNBD3 ("/dev/$CHOSENDISK"3)\n"
DIALOGSTR=$DIALOGSTR" ID: $DNBD3ID\n"
DIALOGSTR=$DIALOGSTR" Size: $DNBD3SIZE Bytes ($DNBD3SIZEGB GB)\n"
DIALOGSTR=$DIALOGSTR"BOOT ("/dev/$CHOSENDISK"4)\n"
DIALOGSTR=$DIALOGSTR" ID: $BOOTID\n"
DIALOGSTR=$DIALOGSTR" Size: $BOOTSIZE Bytes ($BOOTSIZEGB GB)\n"
fi
dialog --msgbox "$DIALOGSTR" 0 0
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