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flash_instructions() {
echo "# dd if=/boot/MLO of=/dev/mmcblk0 count=1 seek=1 conv=notrunc bs=128k"
echo "# dd if=/boot/u-boot.img of=/dev/mmcblk0 count=2 seek=1 conv=notrunc bs=384k"
}
extlinux_warning() {
echo "==> WARNING: U-Boot uses Extlinux support to boot up. For setting it up, edit /boot/extlinux/extlinux.conf"
}
flash_uboot() {
root=$(mount | awk '/ on \/ / { print $1; }')
if [[ $root =~ ^/dev/mmcblk.*$ ]]; then
root=${root:0:12}
echo "A new U-Boot version needs to be flashed onto $root."
echo "Do this now? [y|N]"
read -r shouldwe
if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then
dd if=/boot/MLO of=$root count=1 seek=1 conv=notrunc bs=128k
dd if=/boot/u-boot.img of=$root count=2 seek=1 conv=notrunc bs=384k
else
echo "You can do this later by running:"
flash_instructions
fi
else
echo "Flash the new U-Boot version onto your boot device. For example:"
flash_instructions
fi
extlinux_warning
}
post_install() {
flash_uboot
}
post_upgrade() {
flash_uboot
}
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