# File lib/generators/data_mapper/migration/migration_generator.rb, line 17
        def set_local_assigns!
          if file_name =~ /^(add|remove|drop)_.*_(?:to|from)_(.*)/
            @migration_action = $1 == 'add' ? 'add' : 'drop'
            @table_name       = $2.pluralize
          end
        end