@Roger: what problems do you see with my patch on mingw?

@James Herdman rake isn't really needed, but it's already a dependency for rails if you look at gem spec =) Also, code from rake could be simply copied.
ruby on...

This is not only problem. Rails template commands (such as plugin) should be run with the same ruby executable that run generator.
So, if I run "c:\ruby-1.8.7\b...

Sorry for formatting issues. One addition. As I understand :source attribute should be used in this case, but it seems typo is dependent on this behaviour: clas...

Frederick, actually there's a bug in specification or in reflection code Spec says:

[:through]

Specifies a Join Model through which to perform the query. Option...