Detect rails 2 app
I need to detect rack apps and rails 2 apps by simply inspecting the files in a project.

I've been able to do this for rack apps by checking for the existence of a config.ru file. Is there something similar I could check for in a rails 2 app?
Detect rails 2 app
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I need to detect rack apps and rails 2 apps by simply inspecting the files in a project.

I've been able to do this for rack apps by checking for the existence of a config.ru file. Is there something similar I could check for in a rails 2 app?