#
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
#
# This file is a part of the Armbian Build Framework
# https://github.com/armbian/build/
#
# Important: LINUXFAMILY and ARCH are defined _before_ including the common family include
declare -g UEFI_GRUB_TERMINAL="${UEFI_GRUB_TERMINAL:-gfxterm}"
declare -g LINUXFAMILY="x86"
declare -g ARCH="amd64"
# shellcheck source=config/sources/families/include/uefi_common.inc
source "${BASH_SOURCE%/*}/include/uefi_common.inc"

case "${BRANCH}" in

	current | edge)
		display_alert "extra .config for Apple T2-based x86 machines" "x86: BRANCH=${BRANCH}" "info"

		# Extra .config stuff for the Applet T2 stuff in this kernel
		function custom_kernel_config__applet2() {
			# From https://github.com/t2linux/linux-t2-patches/blob/6.18/extra_config ignore DRM_KUNIT_TEST
			opts_y+=(
				BT_HCIUART_BCM
				STAGING
			)
			opts_m+=(
				APPLE_BCE
				APPLE_GMUX
				BRCMFMAC
				BT_BCM
				BT_HCIBCM4377
				BT_HCIUART
				HID_APPLETB_BL
				HID_APPLETB_KBD
				HID_APPLE
				HID_MAGICMOUSE
				DRM_APPLETBDRM
				HID_SENSOR_ALS
				SENSORS_APPLESMC
				SND_PCM
				APFS_FS
			)
		}

		# Auto-grab patches from t2linux github if not already present
		if [[ ! -d "${SRC}/patch/kernel/${KERNELPATCHDIR}" ]]; then
			# Grab from github .tar.gz and extract there; patches are in the root of the archive
			GH_URL="https://github.com/t2linux/linux-t2-patches/archive/refs/heads/${KERNEL_MAJOR_MINOR}.tar.gz"
			display_alert "Fetching Apple T2 patches from" "GH_URL=${GH_URL}" "info"
			mkdir -pv "${SRC}/patch/kernel/${KERNELPATCHDIR}"
			curl -L "${GH_URL}" | tar -xz --strip-components=1 -C "${SRC}/patch/kernel/${KERNELPATCHDIR}"
			tree "${SRC}/patch/kernel/${KERNELPATCHDIR}"
			# remove any non-patch files and directories
			# remove .github and .gitignore
			rm -rf "${SRC}/patch/kernel/${KERNELPATCHDIR}/.github" "${SRC}/patch/kernel/${KERNELPATCHDIR}/.gitignore"
			find "${SRC}/patch/kernel/${KERNELPATCHDIR}" -type f ! -name "*.patch" -delete
			display_alert "Apple T2 patches downloaded to" "DIR=${SRC}/patch/kernel/${KERNELPATCHDIR}; go run rewrite-kernel-patches" "info"
			exit 0
		else
			display_alert "Apple T2 patches already present in" "DIR=${SRC}/patch/kernel/${KERNELPATCHDIR}" "info"
		fi

		;;

esac

enable_extension "grub"