Turtle dye

function refuel()
    if turtle.getFuelLevel() < 30 then
        turtle.select(3)
        turtle.refuel(10)
        turtle.select(1)
    end
end

function forward(nb)
    for i=0,nb do
        turtle.forward()
    end
end

function move()
    refuel()
    forward(6)
    turtle.down()
    turtle.select(2)
    turtle.placeDown()
    turtle.forward()
    turtle.placeDown()
    turtle.turnRight()
    turtle.forward()
    turtle.placeDown()
    turtle.turnRight()
    turtle.forward()
    turtle.placeDown()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.up()
    turtle.select(1)
    turtle.placeDown()
    turtle.forward()
    turtle.placeDown()
    turtle.turnLeft()
    turtle.forward()
    turtle.placeDown()
    turtle.turnLeft()
    turtle.forward()
    turtle.placeDown()
    forward(6)
    turtle.turnLeft()
    turtle.turnLeft()
end

turtle.select(1)
while true do
    if turtle.getItemCount(1)>=4 then
        if turtle.getItemCount(1) > 4 then
            trop =turtle.getItemCount(1) - 4
            turtle.dropUp(trop)
        end
        if turtle.getItemCount(1) == 4 then
            print("C parti!!!")
            move()
        end
    end
    sleep(2)
    sapling = 4 - turtle.getItemCount(1)
    print("J'attend "..sapling.." saplings vite!!!")
end