capistrano/lib/capistrano/dsl/stages.rb

module Capistrano
  module DSL
    module Stages

      def stages
        Dir[stage_definitions].map { |f| File.basename(f, ".rb") }
      end

      def stage_definitions
        stage_config_path.join("*.rb")
      end

      def stage_set?
        !!fetch(:stage, false)
      end

    end
  end
end