Sample circle.yml - How to precompile assets of a rails project (using the turbo-sprockets-rails3 gem) before pushing to heroku

circle.yml

deployment:
  continuous_integration_deployment_test:
    branch: master
    commands:
        - git config --global user.email "[email protected]"
        - git config --global user.name "Continuous Integration"
        - git checkout -b with_precompiled_assets
        - bundle exec rake assets:precompile assets:clean_expired:
            timeout: 1500
        - git add public/assets
        - git commit -m 'adding precompiled assets'
        - git push [email protected]:appname-ci.git with_precompiled_assets -f:
            timeout: 900
        - heroku run bundle exec rake db:migrate --app appname-ci:
            timeout: 900