#!/bin/bash
pushd "${BASH_SOURCE%/*}" > /dev/null;

source "../../Common/Scripts/is-truthy.sh";
source "../../Common/Scripts/choose-disk.sh";
ARCH_DISK="${ARCH_DISK}";
SKIP_FORMAT_EFI="${SKIP_FORMAT_EFI}";
PARTITION_SCRIPT="${PARTITION_SCRIPT:-"./default-partition.sh"}";
memory="$(cat /proc/meminfo | awk -F " " '/^MemTotal/ { print $2 }')";
swapSize="$(echo "$memory" | awk '{ print int(($1 / 1024 / 1024 4) + 0.5)}')";

export SWAP_SIZE="$swapSize";

if [ ! -z "$ARCH_DISK" ] && [ ! -e "$ARCH_DISK" ]
then
    ARCH_DISK="/dev/${ARCH_DISK}"
fi;

if [ -z "$ARCH_DISK" ] || [ ! -e "$ARCH_DISK" ]
then
    chooseDisk ARCH_DISK "Which disk do you wish to format for installing Arch?";
fi;

. "$PARTITION_SCRIPT";

while true
do
    disks=($(bash -c "echo $ARCH_DISK*"));
    [ "${#disks[@]}" -ge 4 ] && break;
done;

bootDisk="${BOOT_DISK:-"${disks[1]}"}";
swapDisk="${SWAP_DISK:-"${disks[2]}"}";
linuxDisk="${LINUX_DISK:-"${disks[3]}"}";

if ! isTruthy "$SKIP_FORMAT_EFI"
then
    mkfs.fat -F 32 "$bootDisk";
fi

mkswap "$swapDisk";
mkfs.ext4 -F "$linuxDisk";

mount "$linuxDisk" /mnt;
mount --mkdir "$bootDisk" /mnt/boot;
swapon "$swapDisk";

popd > /dev/null;