#!/bin/bash

# vim: sw=4 ts=4

#for disk in $(list-harddrives | grep -v fd0 | grep -v nvme | awk '{printf $1 " "}'); do
#        dd if=/dev/zero of=/dev/$disk bs=512 count=32
#        parted -s ${disk} mklabel gpt;
#done

sleep 30

dd if=/dev/zero of=/dev/sda bs=1M count=100
parted -s sda mklabel gpt
vgchange -an
ls /dev/sda* | while read line; do wipefs -a -f $line; done

SWSIZE=$(grep MemTotal /proc/meminfo  | awk '{print int($2/1024)+1}')
if [ ${SWSIZE} -gt 15381 ]; then
        #SWSIZE=32768
        SWSIZE=65536
else
        SWSIZE=2048
fi

#set $(list-harddrives | grep -v fd0 | grep -v md[0-9] | grep -v nvme | awk '{printf $1 " "}')
HD1=sda
SIZE1=$(fdisk -l "/dev/${HD1}"  2>/dev/null  | grep Disk | grep dev |  sed 's/://'|awk '{print $5}')

# get disk size in GB
#  DISKSIZE=`parted -sm /dev/$DEV unit GB print | grep -e "$DEV" | cut -d: -f2 | sed -e 's/GB$//'`

rm -f /tmp/part-include

if [ -d /sys/firmware/efi ]; then
        efibootmgr -v | grep BootCurrent | cut -d' ' -f2 > /tmp/efi_booted
        echo "part /boot/efi --fstype vfat --size=200 --ondisk=${HD1}" >> /tmp/part-include
elif [ ${SIZE1} -gt 2254857830400 ]; then
        # bios boot partition necessary
        echo "part biosboot --fstype=biosboot --size=1 --ondisk=${HD1}" >> /tmp/part-include
fi
cat << EOF >> /tmp/part-include
part /boot --fstype xfs --size=1024 --asprimary --ondisk=${HD1}
part swap --size=${SWSIZE} --asprimary --ondisk=${HD1}
part / --fstype xfs --size=1 --grow --asprimary --ondisk=${HD1}
EOF