REQUIRE_IMAGE_METADATA=1 platform_check_image() { return 0 } platform_do_upgrade() { sync get_image "$1" | dd of=/dev/mmcblk0 bs=2M conv=fsync sleep 1 } platform_copy_config() { mkdir -p /boot [ -f /boot/kernel.img ] || mount -t vfat -o rw,noatime /dev/mmcblk0p1 /boot cp -af "$CONF_TAR" /boot/ tar --directory / -xvf "$CONF_TAR" boot/config.txt sync umount /boot }