app_running_mode.rb

class AppRunningMode

  class << self

    def resque_worker?
      ( ARGV & ["resque:work", "resque:worker"]).any?
    end

    def assets?
      ( ARGV & ["assets:precompile", "rake assets:environment"]).any? || (server? && !Rails.env.production?)
    end

    def console?
      defined?(Rails::Console)
    end

    def server?
      defined?(Rails::Server) || unicorn?
    end

    def executable
      @executable ||= $0.split(' ').first.split('/').last
    end

    def match_executable?(name)
      executable == name.to_s
    end

    def irb?
      match_executable?(:irb)
    end

    def unicorn?
      match_executable?(:unicorn_rails)
    end

    def spring?
      match_executable?(:spring)
    end

    def rake?
      match_executable?(:rake)
    end

    def values
      @values ||= []
      @values |= [:server] if server?
      @values |= [:assets] if assets?
      @values |= [:resque_worker] if resque_worker?
      @values |= [:console] if console?
      @values |= [:rake] if rake?
      @values |= [:irb] if irb?
      @values |= [:spring] if spring?
      @values
    end

    def bundler_groups
      values.collect{|v| [v, "#{v}_#{Rails.env}".to_sym] }.flatten
    end

  end

end