From: Pit Capitain <pit.capitain@...>
Date: 2008-06-09T17:17:18+09:00
Subject: Re: rake task dependencies: via timestamps table in database

2008/6/6 jandot <jan.aerts@gmail.com>:
> There is some interest in the bioinformatics community for using rake
> as a workflow tool (...)
> However, bioinformaticians try to keep their data in databases rather
> than files. And we found we need some workarounds to get dependencies
> working. Does anyone know if it would be very difficult to add
> functionality to rake to check a meta table in a database for
> timestamps of tasks rather than looking at timestamps of files?

Hi Jan, if you look at the source code of rake's FileTask, you'll see
that this shouldn't be very difficult. The code consists of only four
methods and is easy to read. Feel free to ask again if you have more
questions.

Regards,
Pit