#!/bin/bash
#DivestOS: A mobile operating system divested from the norm.
#Copyright (c) 2017-2024 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: 2022-10-15

patchAllKernels() {
	startPatcher "kernel_essential_msm8998 kernel_fairphone_sdm632 kernel_fairphone_sm7225 kernel_fxtec_msm8998 kernel_fxtec_sm6115 kernel_google_gs101_private_gs-google kernel_google_gs201_private_gs-google kernel_google_msm-4.9 kernel_google_msm-4.14 kernel_google_redbull kernel_google_wahoo kernel_lge_msm8996 kernel_oneplus_msm8998 kernel_oneplus_sdm845 kernel_oneplus_sm7250 kernel_oneplus_sm8150 kernel_oneplus_sm8250 kernel_oneplus_sm8350 kernel_razer_msm8998 kernel_razer_sdm845 kernel_samsung_exynos9810 kernel_sony_sdm660 kernel_sony_sdm845 kernel_xiaomi_msm8937 kernel_xiaomi_sdm845 kernel_xiaomi_sm6150 kernel_xiaomi_vayu kernel_xiaomi_sm8250 kernel_zuk_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/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;
	#frontloaded for testing
	buildDevice bluejay avb;
	buildDevice taimen avb;
	#SD820
	buildDevice h830;
	buildDevice h850;
	buildDevice rs988;
	buildDevice h870;
	#buildDevice h872; #TODO: needs keys
	buildDevice us997;
	buildDevice h910;
	buildDevice h918;
	buildDevice h990;
	buildDevice ls997;
	buildDevice us996;
	#buildDevice us996d; #TODO: needs keys
	buildDevice vs995;
	buildDevice z2_plus verity;
	#SD835
	buildDevice walleye avb;
	buildDevice cheeseburger verity;
	buildDevice dumpling verity;
	buildDevice mata verity;
	buildDevice cheryl verity;
	buildDevice pro1 avb;
	#SD435
	buildDevice Mi8937;
	buildDevice Mi8917;
	#SD630
	buildDevice pioneer;
	buildDevice voyager;
	buildDevice discovery;
	buildDevice kirin;
	buildDevice mermaid;
	#SD845
	buildDevice fajita avb;
	buildDevice enchilada avb;
	buildDevice aura avb;
	buildDevice beryllium avb;
	buildDevice dipper avb;
	buildDevice equuleus avb;
	buildDevice polaris avb;
	buildDevice ursa avb;
	buildDevice crosshatch avb; #unb
	buildDevice blueline avb; #unb
	buildDevice akari avb;
	buildDevice aurora avb;
	buildDevice xz2c avb;
	buildDevice akatsuki avb;
	#SD750
	buildDevice FP4 avb;
	#SD855
	buildDevice guacamole avb;
	buildDevice guacamoleb avb;
	buildDevice hotdog avb;
	buildDevice hotdogb avb;
	buildDevice coral avb;
	buildDevice flame avb;
	#buildDevice vayu avb; #XXX: no Wi-Fi
	#SD730
	buildDevice sunfish avb;
	#buildDevice davinci avb; #XXX: no Wi-Fi
	#SD632
	buildDevice FP3 avb;
	#SD865
	buildDevice instantnoodle avb;
	buildDevice instantnoodlep avb;
	buildDevice kebab avb;
	buildDevice lemonades avb;
	#SD888
	buildDevice lemonade avb;
	buildDevice lemonadep avb;
	#SD662
	buildDevice pro1x avb;
	#SD765
	buildDevice avicii avb;
	buildDevice bramble avb;
	buildDevice redfin avb;
	buildDevice barbet avb;
	#SD670
	buildDevice bonito avb; #unb
	buildDevice sargo avb; #unb
	#SD865
	buildDevice lmi avb;
	buildDevice apollon avb;
	#SD870
	buildDevice alioth avb;
	#Tensor
	buildDevice oriole avb;
	buildDevice raven avb;
	buildDevice panther avb;
	buildDevice cheetah avb;
	#Exynos
	buildDevice starlte;
	buildDevice star2lte;
	buildDevice crownlte;
}
export -f buildAll;

patchWorkspaceReal() {
	umask 0022;
	cd "$DOS_BUILD_BASE/$1";
	if grep -sq "android-13\.0\.0_r0\.127" ".repo/manifests/snippets/pixel.xml"; then
		if [ "$(git -C 'kernel/google/gs201/private/google-modules/gpu' describe --exact-match HEAD)" = "android-13.0.0_r0.127" ]; then
			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;
			repopick -i 361248; #Launcher3: Allow toggling monochrome icons for all apps

			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;

			#Deblobbing fixes
			##setup-makefiles doesn't execute properly for some devices, running it twice seems to fix whatever is wrong
			#none yet
		else
			echo -e "\e[0;33mWARNING: CHECKOUT INCORRECT, NOT PATCHING!\e[0m";
			echo "Please apply Patches/LineageOS-20.0/android/0001-tensor.patch to .repo/manifests and sync";
		fi;
	else
		echo -e "\e[0;33mWARNING: MANIFEST INCORRECT, NOT PATCHING!\e[0m";
		echo "Please apply Patches/LineageOS-20.0/android/0001-tensor.patch to .repo/manifests and sync";
	fi;
}
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;
		if [ "$1" != "device/oneplus/kebab" ] && [ "$1" != "device/oneplus/lemonades" ] && [ "$1" != "device/oneplus/lemonade" ] && [ "$1" != "device/oneplus/lemonadep" ]; 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_$2.mk ]; then echo -e '\n$(call inherit-product, vendor/divested/build/target/product/lowram.mk)' >> lineage_$2.mk; fi;
		echo "Enabled lowram for $1";
		cd "$DOS_BUILD_BASE";
	else
		echo "Not enabling lowram for $1, not available";
	fi;
}
export -f enableLowRam;