1#@!#!123s

: / opt / alt / ruby21 / lib64 / ruby / gems / 2.1.0 / gems / rack-1.6.4 / lib / rack /

Filename : head.rb

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require 'rack/body_proxy'

module Rack

class Head
  # Rack::Head returns an empty body for all HEAD requests. It leaves
  # all other requests unchanged.
  def initialize(app)
    @app = app
  end

  def call(env)
    status, headers, body = @app.call(env)

    if env[REQUEST_METHOD] == HEAD
      [
        status, headers, Rack::BodyProxy.new([]) do
          body.close if body.respond_to? :close
        end
      ]
    else
      [status, headers, body]
    end
  end
end

end