- name: Make sure the role is run on Fedora
  fail:
    msg: "This role supports Fedora only"
  when: "ansible_distribution != 'Fedora'"

- name: Check stack version
  command: stack --version
  failed_when: false
  register: _stack_version

- block:
    # This package is somehow missing from the requirements of the
    # published packaged copr repo.  See
    #  https://github.com/commercialhaskell/stack/issues/5388
    - name: Preinstall gmp-devel
      package:
        name: gmp-devel
        state: present
      become: true

    - name: Install stack
      package:
        name: stack
        state: present
      become: true

    - name: Upgrade stack
      command: stack upgrade
      become: true

    - name: Setup stack LTS
      command: "stack {% if lts_version %}--resolver {{ lts_version }}{% endif %} setup"
  when: _stack_version.rc != 0