---
- name: Test role-prefix
  hosts: localhost
  connection: local
  roles:
    - role_vars_prefix_detection

    - role: role_vars_prefix_detection
      var1: val1

    - role: role_vars_prefix_detection
      var1: val1
      become: true
      vars:
        var2: val2

    - role: role_vars_prefix_detection
      become: true
      environment:
        FOO: /bar/barr
      role_vars_prefix_detection_var1: val1

    - role: role_vars_prefix_detection
      vars:
        var1: val1

    - role: role_vars_prefix_detection
      become: true
      environment:
        BAR: /baz
      vars:
        var1: val1

    - role: role_vars_prefix_detection
      become: true
      environment:
        BAR: /baz
      vars:
        role_vars_prefix_detection_var1: val1
  tasks:
    - name: Include1
      ansible.builtin.include_role:
        name: role_vars_prefix_detection
      vars:
        var1: val1

    - name: Include2
      ansible.builtin.include_role:
        name: role_vars_prefix_detection
      vars:
        role_vars_prefix_detection_var1: val1
        _role_vars_prefix_detection_var2: val2
        __role_vars_prefix_detection_var3: val3