quarry

function forward()
  if turtle.forward() then

  else
    while turtle.detect() do
      turtle.dig()
      sleep(1)
    end
    turtle.forward()
  end
end

function placeQuarry()

  turtle.turnLeft()
  turtle.select(1);
  turtle.place();

  turtle.select(2);

  if turtle.getItemCount(2) > 1 then
    turtle.transferTo(1,1);
  end

  turtle.turnRight();

  while true do
    p = peripheral.wrap("left");

    if p.isActive() ~= "true" then
      break
    else
      sleep(1)
    end
  end

  print("Quarry finished")

  turtle.select(1);
  turtle.transferTo(2,1);

  turtle.turnLeft()

  turtle.select(1);
  turtle.dig();

  forward()
  turtle.turnRight()

  for i=0,8,1 do
     forward()
  end

  turtle.turnRight()
  forward()
  turtle.turnLeft()
end


while true do
  placeQuarry()
end