module TrustyCms::GeneratorBaseExtension

def self.included(base)
  base.class_eval {
    alias_method :existing_migrations_without_extensions, :existing_migrations
    alias_method :existing_migrations, :existing_migrations_with_extensions
  }
end

def existing_migrations_with_extensions(file_name)
  Dir.glob("#{destination_path(@migration_directory)}/[0-9]*_*.rb").grep(/[0-9]+_#{file_name}.rb$/)
end