#!/usr/bin/env bash
#vim: set ft=bash:
set -ex

port="${1}"  # HTTP port that packer is running on
host="${2}"

loadkeys en  # Probably not necessary in a script, but here we are

if [ -e /dev/vda ]; then
	disk="/dev/vda"
elif [ -e /dev/sda ]; then
	disk="/dev/sda"
else
	exit 1  # Need to teach the script which device to use in this case
fi

# The sed bit is just to strip out the extra fluff, like comments
sed -e 's/\s*\([\+0-9a-zA-Z]*\).*/\1/' << EOF | fdisk ${disk}
  g # create new GPT partition table
  n # new
    # default partition number
    # default start
  +512M # size
  t # set type
  1 # EFI system partition
  n # second partition
    # default partition number
    # start at first free sector
    # default to full disk
  p # print, for debugging
  w # write the partition table and exit
EOF

# Format and mount partitions
mkfs.vfat "${disk}1"
mkfs.ext4 "${disk}2"

mount "${disk}2" /mnt
mkdir -p /mnt/boot
mount "${disk}1" /mnt/boot

# Bootstrap system
pacstrap -K /mnt base linux nano sudo networkmanager openssh grub python3 efibootmgr
genfstab -L /mnt >> /mnt/etc/fstab
cat /mnt/etc/fstab

# Run stuff in the chroot
curl -o /mnt/in-chroot.sh "http://${host}:${port}/in-chroot.sh"
arch-chroot /mnt /usr/bin/bash /in-chroot.sh "${disk}"
rm /mnt/in-chroot.sh

reboot