From: Ryan Davis <ryand-ruby@...>
Date: 2008-03-28T08:56:59+09:00
Subject: Re: rake only works once from rails


On Mar 26, 2008, at 16:55 , Andy Koch wrote:
> I've made a rake task that I'm running from my rails, and it works -  
> but only once.  If I then restart the server (mongrel) it works  
> again - once.
>
> I can simulate this in the console session as shown...
>
> q = Rake::Task["cache_sweeper"]
> => <Rake::Task cache_sweeper => []>
> >> q.invoke
> => [#<Proc:0xb6d03444@./script/../config/../config/../lib/tasks/ 
> cache.rake:4>]
> >> q = Rake::Task["cache_sweeper"]
> => <Rake::Task cache_sweeper => []>
> >> q.invoke
> => nil
> >>
>
>
> ... when q.invoke returns the "[#Proc:..." it has worked correctly,  
> nil means nothing happened.
>
> Any one have insight to what is happening with rake?

It is doing it's job. Rake runs tasks once by definition. It is a  
build tool. That is what it is for.