---
- name: Ensure custom facts directory exists
  file:
    mode: 0755
    path: /etc/ansible/facts.d
    state: directory

- name: "Ensure {{ gitfilterrepo_src_dir }} directory exists"
  file:
    path: "{{ gitfilterrepo_src_dir }}"
    state: directory
    mode: 0755

- name: "Detect the latest {{ app_name }} version"
  uri:
    url: https://api.github.com/repos/newren/git-filter-repo/releases/latest
  register: gitfilterrepo_latest_release_tag

- name: "Determine whether or not the latest version of {{ app_name }} is already installed"
  set_fact:
    install_gitfilterrepo: "{{ (ansible_local.gitfilterrepo is not defined) or \
      ((ansible_local.gitfilterrepo is defined) and \
      (ansible_local['gitfilterrepo']['settings']['version'] != gitfilterrepo_latest_release_tag.json.tag_name | replace('v',''))) }}"
    git_filter_repo_version: "{{ gitfilterrepo_latest_release_tag.json.tag_name | replace('v','') }}"

- name: "Ensure {{ app_name }} is installed"
  unarchive:
    src: "https://github.com/newren/git-filter-repo/releases/download/{{ gitfilterrepo_latest_release_tag.json.tag_name }}/\
      git-filter-repo-{{ git_filter_repo_version }}.tar.xz"
    dest: "{{ gitfilterrepo_src_dir }}"
    remote_src: true
  when: install_gitfilterrepo

- name: "Find folders for linking {{ app_name }}" # noqa 303
  shell: |
    git --exec-path
    git --man-path
    git --html-path
    python -c "import site; print(site.getsitepackages()[-1])" || python3 -c "import site; print(site.getsitepackages()[-1])"
  register: git_folders
  changed_when: false
  when: install_gitfilterrepo

- name: Ensure documentation folders exists
  file:
    path: "{{ git_folders.stdout_lines[2] }}"
    state: directory
    mode: 0755

- name: "Ensure {{ app_name }}'s files are linked appropiately"
  file:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    state: link
    force: true
  loop:
    - src: "{{ gitfilterrepo_src_dir }}/git-filter-repo-{{ git_filter_repo_version }}/git-filter-repo"
      dest: "{{ git_folders.stdout_lines[0] }}/git-filter-repo"
    - src: "{{ gitfilterrepo_src_dir }}/git-filter-repo-{{ git_filter_repo_version }}/Documentation/man1/git-filter-repo.1"
      dest: "{{ git_folders.stdout_lines[1] }}/git-filter-repo.1"
    - src: "{{ gitfilterrepo_src_dir }}/git-filter-repo-{{ git_filter_repo_version }}/Documentation/html/git-filter-repo.html"
      dest: "{{ git_folders.stdout_lines[2] }}/git-filter-repo.html"
    - src: "{{ git_folders.stdout_lines[0] }}/git-filter-repo"
      dest: "{{ git_folders.stdout_lines[3] }}/git_filter_repo.py"
  when: install_gitfilterrepo

- name: "Save meta information about the version of {{ app_name }} that was installed"
  community.general.ini_file:
    path: /etc/ansible/facts.d/gitfilterrepo.fact
    mode: 0644
    section: settings
    option: version
    value: "{{ git_filter_repo_version }}"
    backup: true
    no_extra_spaces: true
  when: install_gitfilterrepo