Load rakefile once only

rake_utils.rb

module RakeUtils

  class << self

    # Load the rakefile, unless it's already been loaded.
    def load_rakefile
      @load_rakefile ||= begin
        load "#{PROJECT_ROOT_PATH}/Rakefile"

        true
      end
    end

    # Execute a rake task.
    #
    # @param task_name [String] the complete name of the task including namespace.
    #
    # @param args [Hash] the arguments to be passed in for the task
    #
    # @example
    #   run_task("db:whatever", :foo => "bar")
    def run_task(task_name, args = nil)
      Rake.application[task_name].execute(args && args.map { |k, v| v.nil? ? nil : [k.to_sym, v.to_s] }.compact.to_h)
    end

  end

end