customize_image()
{

	# for users that need to prepare files at host
	[[ -f $USERPATCHES_PATH/customize-image-host.sh ]] && source "$USERPATCHES_PATH"/customize-image-host.sh

	call_extension_method "pre_customize_image" "image_tweaks_pre_customize" << 'PRE_CUSTOMIZE_IMAGE'
*run before customize-image.sh*
This hook is called after `customize-image-host.sh` is called, but before the overlay is mounted.
It thus can be used for the same purposes as `customize-image-host.sh`.
PRE_CUSTOMIZE_IMAGE

	cp "$USERPATCHES_PATH"/customize-image.sh "${SDCARD}"/tmp/customize-image.sh
	chmod +x "${SDCARD}"/tmp/customize-image.sh
	mkdir -p "${SDCARD}"/tmp/overlay
	# util-linux >= 2.27 required
	mount -o bind,ro "$USERPATCHES_PATH"/overlay "${SDCARD}"/tmp/overlay
	display_alert "Calling image customization script" "customize-image.sh" "info"
	chroot "${SDCARD}" /bin/bash -c "/tmp/customize-image.sh $RELEASE $LINUXFAMILY $BOARD $BUILD_DESKTOP $ARCH"
	CUSTOMIZE_IMAGE_RC=$?
	umount -i "${SDCARD}"/tmp/overlay >/dev/null 2>&1
	mountpoint -q "${SDCARD}"/tmp/overlay || rm -r "${SDCARD}"/tmp/overlay
	if [[ $CUSTOMIZE_IMAGE_RC != 0 ]]; then
		exit_with_error "customize-image.sh exited with error (rc: $CUSTOMIZE_IMAGE_RC)"
	fi

	call_extension_method "post_customize_image" "image_tweaks_post_customize" << 'POST_CUSTOMIZE_IMAGE'
*post customize-image.sh hook*
Run after the customize-image.sh script is run, and the overlay is unmounted.
POST_CUSTOMIZE_IMAGE
}