'dependencies' and RedCloth

[James Herdman]

Hey gang.
Jed noticed an issue with the 'dependency'/'dependencies' macro the other
day when working on the Collective wiki.  Namely, if you make RedCloth a
dependency Merb gets a little cranky.  I think I have this figured out when
doing some mods to Collective today too.  However, before I go trying to fix
this in Merb, I wanted to run this by the community.

The problem is simple: RedCloth requires you first load Rubygems.  That
is...

Hey Jed.
I think I have this 'dependency' and RedCloth thing figured out.  When I was
trying to make the Viking gem a dependency Merb complained.  Do you know
what both RedCloth and Viking (gem) require?  Rubygems!  That is...

# In IRB...
irb> require 'redcloth'
LoadError: no such file to load -- redcloth
        from (irb):1:in `require'
        from (irb):1
        from :0
irb> require 'rubygems'
true
irb> require 'redcloth'
true


My question is this: do we change the dependencies macro to load rubygems
when this happens, or do we ignore it and demand that the user explicitly
require a library outside of the dependencies macro (see
http://github.com/meekish/collective/tree/master/config/init.rb#L25 for an
illustration)?
James H.
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