DISK=/dev/null

# Create two partitions here: p1 and p2
fdisk $DISK

# Formats the partitions
mkfs.vfat  -n BOOT ${DISK}p1
mkfs.btrfs -L ROOT ${DISK}p2

mount -t btrfs ${DISK}p2

# Creates btrfs subvolumes
btrfs subvolume create /mnt/root
btrfs subvolume create /mnt/home
btrfs subvolume create /mnt/nix
btrfs subvolume create /mnt/persist
btrfs subvolume create /mnt/log

# Creates snapshot
btrfs subvolume snapshot -r /mnt/root /mnt/root-blank

umount /mnt



# Creates the directories for the subvolumes to be mounted to, nixos-install will detect this.

mount -o subvol=root,compress=zstd,noatime ${DISK}p2 /mnt

mkdir /mnt/home
mount -o subvol=home,compress=zstd,noatime ${DISK}p2 /mnt/home

mkdir /mnt/nix
mount -o subvol=nix,compress=zstd,noatime ${DISK}p2 /mnt/nix

mkdir /mnt/persist
mount -o subvol=persist,compress=zstd,noatime ${DISK}p2 /mnt/persist

mkdir -p /mnt/var/log
mount -o subvol=log,compress=zstd,noatime ${DISK}p2 /mnt/var/log

mkdir /mnt/boot
mount "$DISK"p1 /mnt/boot



nixos-generate-config --root /mnt

# Add `"compress=zstd" "noatime"` to all btrfs fileSystem entries
# Add `neededForBoot = true;` to the logging subvolume
nano /mnt/etc/nixos/hardware-configuration.nix

echo "Initial setup complete :D"
nixos-install
reboot