module Rails::Generators

def self.namespaces_to_paths(namespaces) #:nodoc:

:nodoc:
in both: "rails/model/model_generator" and "rails/model_generator".
an extra lookup. For example, "rails:model" should be searched
Convert namespaces to paths by replacing ":" for "/" and adding 
def self.namespaces_to_paths(namespaces) #:nodoc:
  paths = []
  namespaces.each do |namespace|
    pieces = namespace.split(":")
    paths << pieces.dup.push(pieces.last).join("/")
    paths << pieces.join("/")
  end
  paths.uniq!
  paths
end