language: ruby
cache: bundler

before_install:
  - function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; };
    if [ $(version $TRAVIS_RUBY_VERSION) -ge $(version '2.7.0') ]; 
    then
      gem install "rubygems-update" --no-document;
      update_rubygems;
      gem install bundler -v 1.17.3;
    else
      gem install "rubygems-update:<3.0.0" --no-document;
      update_rubygems;
      gem install bundler -v 1.17.3;
    fi
rvm:
  - 2.0.0
  - 2.1.10
  - 2.2.10
  - 2.3.8
  - 2.4.9
  - 2.5.6
  - 2.6.5
  - 2.7.0

gemfile:
  - gemfiles/Gemfile.rails-3-0-stable
  - gemfiles/Gemfile.rails-3-1-stable
  - gemfiles/Gemfile.rails-3-2-stable
  - gemfiles/Gemfile.rails-4-0-stable
  - gemfiles/Gemfile.rails-4-1-stable
  - gemfiles/Gemfile.rails-4-2-stable
  - gemfiles/Gemfile.rails-5-0-stable
  - gemfiles/Gemfile.rails-5-1-stable
  - gemfiles/Gemfile.rails-5-2-stable
  - Gemfile
matrix:
  exclude:
    # Exclude Rails 5 from Ruby < 2.3
    - rvm: 2.0.0
      gemfile: gemfiles/Gemfile.rails-5-2-stable
    - rvm: 2.0.0
      gemfile: gemfiles/Gemfile.rails-5-1-stable
    - rvm: 2.0.0
      gemfile: gemfiles/Gemfile.rails-5-0-stable
    - rvm: 2.1.10
      gemfile: gemfiles/Gemfile.rails-5-2-stable
    - rvm: 2.1.10
      gemfile: gemfiles/Gemfile.rails-5-1-stable
    - rvm: 2.1.10
      gemfile: gemfiles/Gemfile.rails-5-0-stable
    - rvm: 2.2.10
      gemfile: gemfiles/Gemfile.rails-5-2-stable
    - rvm: 2.2.10
      gemfile: gemfiles/Gemfile.rails-5-1-stable
    - rvm: 2.2.10
      gemfile: gemfiles/Gemfile.rails-5-0-stable
    # Exclude Rails 6 from Ruby < 2.5
    - rvm: 2.0.0
      gemfile: Gemfile
    - rvm: 2.1.10
      gemfile: Gemfile
    - rvm: 2.2.10
      gemfile: Gemfile
    - rvm: 2.3.8
      gemfile: Gemfile
    - rvm: 2.4.9
      gemfile: Gemfile
    # Exclude Rails 3.0 from Ruby => 2.5
    - rvm: 2.5.6
      gemfile: gemfiles/Gemfile.rails-3-0-stable
    - rvm: 2.6.5
      gemfile: gemfiles/Gemfile.rails-3-0-stable
    #  Exclude Rails 3 and 4 from Ruby 2.7, as they require 
    #   Bunder < 2, and Ruby 2.7 ships with Bundler 2.1.2, and
    #   I can't seem to force it to use an earlier version
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-3-0-stable
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-3-1-stable
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-3-2-stable
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-4-0-stable
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-4-1-stable
    - rvm: 2.7.0
      gemfile: gemfiles/Gemfile.rails-4-2-stable

script: 'bundle exec rake'

jobs:
  include:
    # ./bin/deploy_docs will exit if the current branch is not master
    - stage: documentation
      script: './bin/deploy_docs'
      rvm: 2.6.5
      gemfile: Gemfile

notifications:
  email:
    recipients:
      - hunterae@gmail.com
    on_failure: change
    on_success: never