#!/bin/bash
#DivestOS: A mobile operating system divested from the norm.
#Copyright (c) 2017-2023 Divested Computing Group
#
#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <https://www.gnu.org/licenses/>.
umask 0022;

#Last verified: 2021-10-16

patchAllKernels() {
	startPatcher "kernel_asus_fugu kernel_asus_msm8916 kernel_google_dragon kernel_htc_flounder kernel_huawei_angler kernel_lge_bullhead kernel_zte_msm8996";
}
export -f patchAllKernels;

scanWorkspaceForMalware() {
	local scanQueue="$DOS_BUILD_BASE/android $DOS_BUILD_BASE/art $DOS_BUILD_BASE/bionic $DOS_BUILD_BASE/bootable $DOS_BUILD_BASE/build $DOS_BUILD_BASE/compatibility $DOS_BUILD_BASE/dalvik $DOS_BUILD_BASE/device $DOS_BUILD_BASE/hardware $DOS_BUILD_BASE/libcore $DOS_BUILD_BASE/libnativehelper $DOS_BUILD_BASE/packages $DOS_BUILD_BASE/pdk $DOS_BUILD_BASE/platform_testing $DOS_BUILD_BASE/sdk $DOS_BUILD_BASE/system";
	scanQueue=$scanQueue" $DOS_BUILD_BASE/lineage-sdk $DOS_BUILD_BASE/vendor/lineage";
	scanForMalware true "$scanQueue";
}
export -f scanWorkspaceForMalware;

buildDevice() {
	cd "$DOS_BUILD_BASE";
	if [[ -d "$DOS_SIGNING_KEYS/$1" ]]; then
		export OTA_KEY_OVERRIDE_DIR="$DOS_SIGNING_KEYS/$1";
		breakfast "lineage_$1-user" && mka target-files-package otatools && processRelease $1 true $2;
	else
		echo -e "\e[0;31mNo signing keys available for $1\e[0m";
	fi;
}
export -f buildDevice;

buildDeviceDebug() {
	cd "$DOS_BUILD_BASE";
	unset OTA_KEY_OVERRIDE_DIR;
	brunch "lineage_$1-eng";
}
export -f buildDeviceDebug;

buildAll() {
	umask 0022;
	cd "$DOS_BUILD_BASE";
	if [ "$DOS_MALWARE_SCAN_ENABLED" = true ]; then scanWorkspaceForMalware; fi;
	#SD808
	buildDevice angler verity;
	buildDevice bullhead verity;
	#SD615
	buildDevice Z00T;
	#SD820
	buildDevice axon7;
	#Intel
	buildDevice fugu;
	#Tegra
	buildDevice dragon verity;
	cd "$DOS_BUILD_BASE/bionic" && git apply --reverse "$DOS_PATCHES/android_bionic/0001-HM-Use_HM.patch" && cd "$DOS_BUILD_BASE";
	buildDevice flounder verity;
	buildDevice flounder_lte verity;
}
export -f buildAll;

patchWorkspaceReal() {
	umask 0022;
	cd "$DOS_BUILD_BASE/$1";
	touch DOS_PATCHED_FLAG;
	if [ "$DOS_MALWARE_SCAN_ENABLED" = true ]; then scanForMalware false "$DOS_PREBUILT_APPS $DOS_BUILD_BASE/build $DOS_BUILD_BASE/device $DOS_BUILD_BASE/vendor/lineage"; fi;
	verifyAllPlatformTags;
	gpgVerifyGitHead "$DOS_BUILD_BASE/external/chromium-webview";

	#source build/envsetup.sh;

	sh "$DOS_SCRIPTS/Patch.sh";
	sh "$DOS_SCRIPTS_COMMON/Enable_Verity.sh";
	sh "$DOS_SCRIPTS_COMMON/Copy_Keys.sh";
	sh "$DOS_SCRIPTS_COMMON/Defaults.sh";
	sh "$DOS_SCRIPTS/Rebrand.sh";
	sh "$DOS_SCRIPTS_COMMON/Optimize.sh";
	sh "$DOS_SCRIPTS_COMMON/Deblob.sh";
	sh "$DOS_SCRIPTS_COMMON/Patch_CVE.sh";
	sh "$DOS_SCRIPTS_COMMON/Post.sh";
	source build/envsetup.sh;
}
export -f patchWorkspaceReal;

enableDexPreOpt() {
	cd "$DOS_BUILD_BASE/$1";
	if [ -f BoardConfig.mk ]; then
		echo "WITH_DEXPREOPT := true" >> BoardConfig.mk;
		echo "WITH_DEXPREOPT_DEBUG_INFO := false" >> BoardConfig.mk;
		echo "WITH_DEXPREOPT_PIC := true" >> BoardConfig.mk;
		if true; then
			echo "WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY := false" >> BoardConfig.mk;
			echo "Enabled full dexpreopt for $1";
		else
			echo "WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY := true" >> BoardConfig.mk;
			echo "Enabled core dexpreopt for $1";
		fi;
	fi;
	cd "$DOS_BUILD_BASE";
}
export -f enableDexPreOpt;

enableLowRam() {
	if [ -d "$DOS_BUILD_BASE/$1" ]; then
		cd "$DOS_BUILD_BASE/$1";
		if [ -f lineage.mk ]; then echo -e '\n$(call inherit-product, vendor/divested/build/target/product/lowram.mk)' >> lineage.mk; fi;
		if [ -f BoardConfig.mk ]; then echo 'MALLOC_SVELTE := true' >> BoardConfig.mk; fi;
		if [ -f BoardConfigCommon.mk ]; then echo 'MALLOC_SVELTE := true' >> BoardConfigCommon.mk; fi;
		echo "Enabled lowram for $1";
		cd "$DOS_BUILD_BASE";
	else
		echo "Not enabling lowram for $1, not available";
	fi;
}
export -f enableLowRam;