---
# Copyright (c) 2022, Gregory Furlong <gnfzdz@fzdz.io>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

- name: Change the default subvolume
  block:
  - name: Update filesystem default subvolume to '@'
    community.general.btrfs_subvolume:
      automount: Yes
      default: True
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/@"
      state: "present"
    register: result
  - name: Subvolume '@' set to default
    ansible.builtin.assert:
      that:
      - result is changed
  - name: Update filesystem default subvolume to '@' (idempotency)
    community.general.btrfs_subvolume:
      automount: Yes
      default: True
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/@"
      state: "present"
    register: result
  - name: Subvolume '@' set to default (idempotency)
    ansible.builtin.assert:
      that:
      - result is not changed

- name: Revert the default subvolume
  block:
  - name: Revert filesystem default subvolume to '/'
    community.general.btrfs_subvolume:
      automount: Yes
      default: True
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/"
      state: "present"
    register: result
  - name: Subvolume '/' set to default
    ansible.builtin.assert:
      that:
      - result is changed
  - name: Revert filesystem default subvolume to '/' (idempotency)
    community.general.btrfs_subvolume:
      automount: Yes
      default: True
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/"
      state: "present"
    register: result
  - name: Subvolume '/' set to default (idempotency)
    ansible.builtin.assert:
      that:
      - result is not changed


- name: Change the default subvolume again
  block:
  - name: Update filesystem default subvolume to '@'
    community.general.btrfs_subvolume:
      automount: Yes
      default: True
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/@"
      state: "present"
    register: result
  - name: Subvolume '@' set to default
    ansible.builtin.assert:
      that:
      - result is changed

- name: Revert custom default subvolume to fs_tree root when deleted
  block:
  - name: Delete custom default subvolume '@'
    community.general.btrfs_subvolume:
      automount: Yes
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/@"
      state: "absent"
    register: result
  - name: Subvolume '@' deleted
    ansible.builtin.assert:
      that:
      - result is changed
  - name: Delete custom default subvolume '@' (idempotency)
    community.general.btrfs_subvolume:
      automount: Yes
      filesystem_label: "{{ btrfs_subvolume_target_label }}"
      name: "/@"
      state: "absent"
    register: result
  - name: Subvolume '@' deleted (idempotency)
    ansible.builtin.assert:
      that:
      - result is not changed