mine

function wells()
  rs.setBundledOutput("bottom", colors.orange)
  for i = 6,1,-1 do
    sleep(1)
    print(i)
  end
  rs.setBundledOutput("bottom", 0)
end

function moveQuarry()
  rs.setBundledOutput("bottom", colors.magenta)
  sleep(3)
  rs.setBundledOutput("bottom", 0)
  checkMove()
end

function checkMove()
  turtle.turnRight()
  local chest = turtle.detect()
  turtle.turnLeft()
  if chest then
     clearBlockage()
     moveQuarry()
  end
end

function clearBlockage()
  rs.setBundledOutput("bottom", colors.lightBlue)
  sleep(5)
  rs.setBundledOutput("bottom", 0)
end

function moveTurtle()
  turtle.digDown()
  while not turtle.forward() do
     turtle.dig()
  end
end

turtle.placeDown()
wells()
sleep(2)
moveQuarry()
moveTurtle()