# To update the build configuration, edit the "builds" array below and run:
# erb .circleci/config.yml.erb > .circleci/config.yml

version: 2
jobs:

  build_2.3.4_rails_3:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.3.4, rails_3)
          command: |
            rbenv local 2.3.4 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_3.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.3.4-rails_3-{{ .Branch }}
            - v2-bundle-2.3.4-rails_3
            - v2-bundle-2.3.4

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.3.4-rails_3-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4-rails_3
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.3.4_rails_4:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.3.4, rails_4)
          command: |
            rbenv local 2.3.4 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_4.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.3.4-rails_4-{{ .Branch }}
            - v2-bundle-2.3.4-rails_4
            - v2-bundle-2.3.4

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.3.4-rails_4-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4-rails_4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.4.1_rails_4:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.4.1, rails_4)
          command: |
            rbenv local 2.4.1 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_4.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.4.1-rails_4-{{ .Branch }}
            - v2-bundle-2.4.1-rails_4
            - v2-bundle-2.4.1

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.4.1-rails_4-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1-rails_4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.3.4_rails_5:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.3.4, rails_5)
          command: |
            rbenv local 2.3.4 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_5.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.3.4-rails_5-{{ .Branch }}
            - v2-bundle-2.3.4-rails_5
            - v2-bundle-2.3.4

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.3.4-rails_5-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4-rails_5
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.4.1_rails_5:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.4.1, rails_5)
          command: |
            rbenv local 2.4.1 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_5.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.4.1-rails_5-{{ .Branch }}
            - v2-bundle-2.4.1-rails_5
            - v2-bundle-2.4.1

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.4.1-rails_5-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1-rails_5
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.3.4_rails_5_1:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.3.4, rails_5_1)
          command: |
            rbenv local 2.3.4 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_5_1.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.3.4-rails_5_1-{{ .Branch }}
            - v2-bundle-2.3.4-rails_5_1
            - v2-bundle-2.3.4

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.3.4-rails_5_1-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4-rails_5_1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.3.4
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.4.1_rails_5_1:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.4.1, rails_5_1)
          command: |
            rbenv local 2.4.1 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_5_1.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.4.1-rails_5_1-{{ .Branch }}
            - v2-bundle-2.4.1-rails_5_1
            - v2-bundle-2.4.1

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.4.1-rails_5_1-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1-rails_5_1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold

  build_2.4.1_rails_5_2:
    docker:
      - image: deliveroo/multiruby
      - image: postgres:9.6-alpine
        environment:
          PGDATA: /dev/shm/pgdata
      - image: redis:3-alpine
    steps:
      - checkout

      - run:
          name: Setup RAM disk
          command: |
            rm -rf ~/project/tmp ;
            mkdir /dev/shm/tmp ;
            ln -s /dev/shm/tmp ~/project/tmp

      - run:
          name: Select build variant (Ruby 2.4.1, rails_5_2)
          command: |
            rbenv local 2.4.1 ;
            gem install bundler ;
            bundle config --local gemfile $PWD/gemfiles/rails_5_2.gemfile

      - restore_cache:
          keys: 
            - v2-bundle-2.4.1-rails_5_2-{{ .Branch }}
            - v2-bundle-2.4.1-rails_5_2
            - v2-bundle-2.4.1

      - run: 
          name: Install dependencies
          command: |
            bundle install --jobs=3 --retry=3 --path=$PWD/vendor/bundle

      - run:
          name: Run test suite
          command: |
            unset RACK_ENV &&
            unset RAILS_ENV &&
            bundle exec rspec

      - save_cache:
          key: v2-bundle-2.4.1-rails_5_2-{{ .Branch }}
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1-rails_5_2
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold
      - save_cache:
          key: v2-bundle-2.4.1
          paths:
            - ~/project/vendor/bundle
            - ~/project/vendor/bundle-scaffold


workflows:
  version: 2
  test:
    jobs:
    
      - build_2.3.4_rails_3
    
      - build_2.3.4_rails_4
    
      - build_2.4.1_rails_4
    
      - build_2.3.4_rails_5
    
      - build_2.4.1_rails_5
    
      - build_2.3.4_rails_5_1
    
      - build_2.4.1_rails_5_1
    
      - build_2.4.1_rails_5_2