Hole

-- dig a hole and put water at bottom

local args = {...}

if not (#args == 2) then
	print("Usage:  hole [depth] [water height]")
else
	print("Place items as follows...")
	print("-------------------------")
	print("| Water bucket in 1")
	print("| Sign in 2")

	while (turtle.getItemCount(1)==0) and (turtle.getItemCount(2)==0) do
		os.sleep(0.1)
	end

	for i=args[2],args[1] do
		turtle.digDown()
		turtle.down()
	end

	turtle.select(1)
	turtle.placeUp()

	for i=1,args[2]
		turtle.digDown()
		turtle.down()
	end

	turtle.select(2)
	turtle.placeUp()

	turtle.digDown()
	turtle.down()
end