class Faraday::Error

def backtrace
  if @wrapped_exception
    @wrapped_exception.backtrace
  else
    super
  end
end

def initialize(exc, response = nil)
  @wrapped_exception = nil
  @response = response
  if exc.respond_to?(:backtrace)
    super(exc.message)
    @wrapped_exception = exc
  elsif exc.respond_to?(:each_key)
    super("the server responded with status #{exc[:status]}")
    @response = exc
  else
    super(exc.to_s)
  end
end

def inspect
  inner = +''
  inner << " wrapped=#{@wrapped_exception.inspect}" if @wrapped_exception
  inner << " response=#{@response.inspect}" if @response
  inner << " #{super}" if inner.empty?
  %(#<#{self.class}#{inner}>)
end