---
- name: Generate fstab.
  include_role:
    name: genfstab
  vars:
    chroot: "{{ partitioning_root_mount_point }}"

- name: Check if btrfs-progs is installed.
  command: arch-chroot {{ partitioning_root_mount_point }}
    pacman -Qk btrfs-progs
  register: _btrfs_progs_installed
  failed_when: false
  changed_when: false

- name: Install btrfs-progs.
  command: arch-chroot {{ partitioning_root_mount_point }}
    pacman -Sy btrfs-progs --noconfirm
  when: _btrfs_progs_installed.rc != 0

- name: Create crypto keyfile.
  shell:
    cmd: |
      set -e -o pipefail
      dd bs=512 count=8 if=/dev/urandom of={{ partitioning_root_mount_point }}/crypto_keyfile.bin
      echo {{ partitioning_priv_luks_password }} \
        | cryptsetup luksAddKey {{ partitioning_priv_luks_device_node }} \
        {{ partitioning_root_mount_point }}/crypto_keyfile.bin
    creates: "{{ partitioning_root_mount_point }}/crypto_keyfile.bin"

- name: Set proper permissions on crypto keyfile.
  file:
    path: "{{ partitioning_root_mount_point }}/crypto_keyfile.bin"
    mode: 0000

- name: Configure mkinitcpio.
  mkinitcpio:
    state: present
    path: "{{ partitioning_root_mount_point }}/etc/mkinitcpio.conf"
    binaries: /usr/bin/btrfs
    files: /crypto_keyfile.bin
    hooks:
      - encrypt
      - btrfs

- name: Run mkinitcpio.
  command: arch-chroot {{ partitioning_root_mount_point }} mkinitcpio -P
  changed_when: true