brtriver/dbup — pull request #5 by co3k (2014-08-27 14:04:14+00:00)
Title: added ability to replace %%DBUP_*%% keyword in .ini configuration file to an environment value which its key is matched

You might be useful some environments like Heroku.

The referenced implementation is (Phinx's one)[http://docs.phinx.org/en/latest/configuration.html#external-variables] but my implementation does not have any code from Phinx.