Array Sorting Method in Ruby (one liner included for funsies)

sort.rb

def sort(a, a_is_unsorted = true)
  # (a_is_unsorted = false; (a.size - 1).times{ |i| j = i + 1; a[i], a[j], a_is_unsorted = a[j], a[i], true if a[i] > a[j]}) while a_is_unsorted
  while a_is_unsorted do
    a_is_unsorted = false
    (a.length - 1).times{ |i| 
      a[i], a[i + 1], a_is_unsorted = a[i + 1], a[i], true if a[i] > a[i + 1]
     }
  end
  a
end