- name: Run last dist upgrade before changing codename
  apt:
    update_cache: yes
    upgrade: dist
  when: ansible_facts['distribution_release'] != os_update_version_codename

- name: Backup existing sources.list
  copy:
    src: /etc/apt/sources.list
    dest: /etc/apt/sources.list.bak
    remote_src: yes
    force: yes
  ignore_errors: true
  when: ansible_facts['distribution_version'] is version('13', '<=') # Only apply under Debian 13 and newer

- name: Remove existing sources.list to avoid conflicts with new deb822 format
  file:
    path: /etc/apt/sources.list
    state: absent
  when: ansible_facts['distribution_version'] is version('13', '>=') # Only apply for Debian 13 and newer

- name: Update sources.list.d with new mirrors
  template:
    src: sources.list-deb822.j2
    dest: /etc/apt/sources.list.d/debian.sources
  when: ansible_facts['distribution_version'] is version('13', '>=') # Only apply for Debian 13 and newer
  register: cache_update_needed

- name: Update sources.list with new mirrors for older Debian versions
  template:
    src: sources.list.j2
    dest: /etc/apt/sources.list
  when: ansible_facts['distribution_version'] is version('13', '<') # Only apply for Debian versions older than 13
  register: cache_update_needed

- name: Find sources list fragments
  find:
    paths: /etc/apt/sources.list.d
    patterns: "*.list,*.sources"
    file_type: file
  register: apt_sources_list_fragments

- name: Align suite codenames in sources.list.d for .list files
  replace:
    path: "{{ item.path }}"
    backup: yes
    regexp: '^(deb(?:-src)?\s+(?:\[[^\]]+\]\s+)?\S+\s+)({{ os_update_debian_codenames | join("|") }})(-[^\s]+)?(\s+.+)$'
    replace: '\1{{ os_update_version_codename }}\3\4'
  loop: "{{ apt_sources_list_fragments.files }}"
  when: (item.path | regex_search('\.list$')) is not none
  register: cache_update_needed

- name: Align suite codenames in sources.list.d for .sources files
  replace:
    path: "{{ item.path }}"
    backup: yes
    regexp: '^(Suites:\s+)({{ os_update_debian_codenames | join("|") }})(-[^\s]+)?(.*)$'
    replace: '\1{{ os_update_version_codename }}\3\4'
  loop: "{{ apt_sources_list_fragments.files }}"
  when: (item.path | regex_search('\.sources$')) is not none
  register: cache_update_needed

- name: Update apt cache
  apt:
    update_cache: yes
  when: cache_update_needed is changed