padrino/padrino-framework — pull request #1099 by Ortuna (2013-03-10 18:30:48+00:00)
Title: Updated padrino cache test, provided example for #1064

If a cache_key is set dynamicly inside a get/head block, it is executed only once.
But if a user needs to reset the cache_key(e.g. depending on params) it can be done
in the before block of a controller.