class CookbookOmnifetch::MismatchedCookbookName

def to_s
  out =  "In your Berksfile, you have:\n"
  out << "\n"
  out << "  cookbook '#{@dependency.name}'\n"
  out << "\n"
  out << "But that cookbook is actually named '#{@cached_cookbook.cookbook_name}'\n"
  out << "\n"
  out << "This can cause potentially unwanted side-effects in the future.\n"
  out << "\n"
  out << "NOTE: If you do not explicitly set the 'name' attribute in the "
  out << "metadata, the name of the directory will be used instead. This "
  out << "is often a cause of confusion for dependency solving.\n"
  out
end