---
- name: Update apt cache.
  apt: update_cache=yes cache_valid_time=86400

- name: Set rubygems package name for Ubuntu 14.04.
  set_fact:
    ruby_rubygems_package_name: rubygems-integration
  when: ansible_distribution == 'Ubuntu' and ansible_distribution_release == 'trusty'

- name: Install ruby, rubygems, and build-essential.
  apt: "name={{ item }} state=present"
  with_items:
    - ruby-full
    - ruby-dev
    - "{{ ruby_rubygems_package_name }}"
    - build-essential