class ExtensionMigrationGenerator

def banner
  "Usage: #{$0} extension_migration ExtensionName MigrationName [field:type, field:type]"
end

def destination_root
  File.join(Rails.root, extension_path)
end

def extension_path
  File.join('vendor', 'extensions', @extension_name.underscore)
end

def initialize(runtime_args, runtime_options = {})
  runtime_args = runtime_args.dup
  @extension_name = runtime_args.shift
  super(runtime_args, runtime_options)
end