Bubble sort implementation in Ruby

bubble_sort.rb

def bubble_sort(list)
  swapped = true
  while swapped
    swapped = false
    (list.size - 1).times do |i|
      if list[i] > list[i+1]
        list[i], list[i+1] = list[i+1], list[i]
        swapped = true
      end
    end
  end

  list
end