Quarry Clean up

local tArgs = {...}
depth = 0
while depth ~= tonumber(tArgs[1]) do
  turtle.digDown()
  turtle.down()
  depth = depth+1
  turtle.dig()
  turtle.turnRight()
  turtle.dig()
  turtle.turnLeft()
end
turtle.up()
turtle.up()
turtle.up()
turtle.forward()
turtle.turnRight()
turtle.dig()
turtle.forward()
for i = 1,depth do
  turtle.digUp()
  turtle.up()
end