tonycoco/heroku-buildpack-ember-cli — pull request #4 by achambers (2014-07-01 11:22:14+00:00)
Title: Exporting the config vars

Although the recent changes to the code were accessing the `EMBER_ENV` config var, it was never actually being exported first. Now calling the `export_env_dir` function before trying to access the `EMBER_ENV` variable