Test

checkFuel()
turtle.dig()
sleep(0.25)
turtle.forward()
turtle.dig()
local height = 0
if turtle.detectUp() == true then
    repeat
	turtle.dig()
	turtle.digUp()
	turtle.up()
	height = height + 1
    until turtle.detectUp() == false
end
checkFuel()
turtle.turnRight()
if turtle.detect() == true then
	turtle.dig()
end
turtle.forward()
turtle.turnLeft()
if turtle.detectDown() == true then
    repeat
	turtle.dig()
	turtle.digDown()
	turtle.down()
	height = height - 1
    until height == 0
end
turtle.dig()
checkFuel()
turtle.turnLeft()
turtle.turnLeft()
local dist = 0
if turtle.detect() == false then
    repeat
	turtle.forward()
	dist = dist + 1
    until turtle.detect() == true
end
turtle.drop()
turtle.select(2)
turtle.drop()
turtle.select(3)
turtle.drop()
turtle.select(4)
turtle.drop()
turtle.select(5)
turtle.drop()
turtle.select(6)
turtle.drop()
turtle.select(7)
turtle.drop()
turtle.select(1)
turtle.turnLeft()
turtle.turnLeft()
if d > 0 then
	turtle.forward()
end
turtle.turnLeft()
turtle.forward()
turtle.turnRight()