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 | # frozen_string_literal: true
module Rails
  module Command
    class RakeCommand < Base # :nodoc:
      extend Rails::Command::Actions
      namespace "rake"
      class << self
        def printing_commands
          formatted_rake_tasks.map(&:first)
        end
        def perform(task, *)
          require_rake
          ARGV.unshift(task) # Prepend the task, so Rake knows how to run it.
          Rake.application.standard_exception_handling do
            Rake.application.init("rails")
            Rake.application.load_rakefile
            Rake.application.top_level
          end
        end
        private
          def rake_tasks
            require_rake
            return @rake_tasks if defined?(@rake_tasks)
            require_application_and_environment!
            Rake::TaskManager.record_task_metadata = true
            Rake.application.instance_variable_set(:@name, "rails")
            load_tasks
            @rake_tasks = Rake.application.tasks.select(&:comment)
          end
          def formatted_rake_tasks
            rake_tasks.map { |t| [ t.name_with_args, t.comment ] }
          end
          def require_rake
            require "rake" # Defer booting Rake until we know it's needed.
          end
      end
    end
  end
end
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