build.sh

#!/bin/bash

echo "Setting Up Environment"
echo ""
export ARCH=arm64
export SUBARCH=arm64
export KBUILD_BUILD_USER=neel0210
export KBUILD_BUILD_HOST=Catelina

# Variables
export Image="$(pwd)/out/arch/arm64/boot/Image.gz-dtb"
export TC="/home/neel/Desktop/toolchain/"
export VMTC="$(pwd)/clang"

START(){
	# Calculate compilation time
	START=$(date +"%s")
}
#
END(){
	END=$(date +"%s")
	DIFF=$((END - START))
	echo -e "Kernel has been compiled successfully and it took $((DIFF / 60)) minute(s) and $((DIFF % 60)) second(s)"
	echo "Done!"
}

CLEAN(){
	make clean && make mrproper
	rm -rf out/arch/arm64/boot/Image.gz-dtb
	rm -rf KKRT/*.zip
	rm -rf KKRT/Image.gz-dtb
	rm -rf out
}

# Enforcing
KERNEL="a50_defconfig"
clear
echo "---------------------------"
echo checking if bulding offline
echo "---------------------------"
if [ -d "$TC" ]; then
	echo "building offline; thus exporting paths"
	export CROSS_COMPILE=/home/neel/Desktop/toolchain/19/bin/aarch64-linux-android-
	export CLANG_TRIPLE=/home/neel/Desktop/toolchain/14/bin/aarch64-linux-gnu-
	export CC=/home/neel/Desktop/toolchain/14/clang
	export CROSS_COMPILE_ARM32=/home/neel/Desktop/toolchain/1932/bin/arm-linux-androideabi-	
	export CCACHE_EXEC="/usr/bin/ccache"
	export USE_CCACHE=1
	ccache -M 50G
	export CCACHE_COMPRESS=1
	export CCACHE_DIR="/home/neel/Desktop/ccache/.ccache"
else
	echo "Not finding Toolchains at Home/toolchains; thus clonning them; would take some couple of minutes"
	if [ -d "$VMTC" ]; then
		echo exporting paths
		export CROSS_COMPILE=$(pwd)/linaro/bin/aarch64-linux-android-
		export CROSS_COMPILE_ARM32=$(pwd)/gcc32/bin/arm-linux-androideabi-
		export CLANG_TRIPLE=$(pwd)/clang/bin/aarch64-linux-gnu-
		export CC=$(pwd)/clang/bin/clang
	else
		git clone --depth=1 https://github.com/LineageOS/android_prebuilts_gcc_linux-x86_aarch64_aarch64-linux-android-4.9 --single-branch -b lineage-19.0 linaro
		git clone --depth=1 https://github.com/LineageOS/android_prebuilts_gcc_linux-x86_arm_arm-linux-androideabi-4.9 --single-branch -b lineage-19.0 gcc32		
		git clone --depth=1 https://github.com/KakarotKernel/clang.git clang
		export CROSS_COMPILE=$(pwd)/linaro/bin/aarch64-linux-android-
		export CROSS_COMPILE_ARM32=$(pwd)/gcc32/bin/arm-linux-androideabi-		
		export CLANG_TRIPLE=$(pwd)/clang/bin/aarch64-linux-gnu-
		export CC=$(pwd)/clang/bin/clang
	fi
fi
clear
echo "========================="
echo "Remove old Kernel Build"
echo "========================="
rm -rf CORE/*.zip
echo " "
echo "====================================="
echo "Give Perms to fetch-latest-wireguard"
echo "====================================="
chmod a+x scripts/fetch-latest-wireguard.sh
############################################
# If other device make change here
############################################
clear

DB(){
	echo "==================="
	echo "Building KRNL Clean"
	echo "==================="
	START
	rm -rf out/arch/arm64/boot/Image.gz-dtb
	rm -rf KKRT/*.zip
	rm -rf KKRT/Image.gz-dtb
	clear
	echo "================"
	echo "Compiling Kernel "
	echo "================"
	make $KERNEL O=out CC=clang
	make -j$(nproc --all) O=out CC=clang
	echo
	if [ -f "$Image" ]; then
		echo "Image compiled; packing it"
		cp -r ./out/arch/arm64/boot/Image.gz-dtb ./KKRT/Image.gz-dtb
		rm -rf KKRT/*.zip
		cd KKRT
		. zip.sh
		cd ..
		changelog=`cat KKRT/changelog.txt`
		for i in KKRT/*.zip
		do
		curl -F "document=@$i" --form-string "caption=$changelog" "https://api.telegram.org/bot${BOT_TOKEN}/sendDocument?chat_id=${CHAT_ID}&parse_mode=HTML"
		done
		echo ""
		END
	else
	    echo "Kernel isnt compiled, letting Neel know"
	    curl -F text="Realme 6 pro: RUI Kernel is not compiled, come and check @neel0210" "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage?chat_id=${CHAT_ID}&parse_mode=Markdown"
	fi
}

KKRT(){
	echo "==================="
	echo "Building KRNL Clean"
	echo "==================="
	echo Clean build leftovers
	START
	make clean && make mrproper
	rm -rf out/arch/arm64/boot/Image.gz-dtb
	rm -rf KKRT/*.zip
	rm -rf KKRT/Image.gz-dtb
	clear
	echo "================"
	echo "Compiling Kernel "
	echo "================"
	make $KERNEL O=out CC=clang
	make -j$(nproc --all) O=out CC=clang
	echo
	if [ -f "$Image" ]; then
		echo "Image compiled; packing it"
		cp -r ./out/arch/arm64/boot/Image.gz-dtb ./KKRT/Image.gz-dtb
		rm -rf KKRT/*.zip
		cd KKRT
		. zip.sh
		cd ..
		changelog=`cat KKRT/changelog.txt`
		for i in KKRT/*.zip
		do
		curl -F "document=@$i" --form-string "caption=$changelog" "https://api.telegram.org/bot${BOT_TOKEN}/sendDocument?chat_id=${CHAT_ID}&parse_mode=HTML"
		done
		echo ""
		END
	else
	    echo "Kernel isnt compiled, letting Neel know"
	    curl -F text="Realme 6 pro: RUI Kernel is not compiled, come and check @neel0210" "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage?chat_id=${CHAT_ID}&parse_mode=Markdown"
	fi
}

#

FLASHING(){
	echo "X......Checking if Kernel ZIP is present or not"
	sleep 2
	cd KKRT
	ZIP=$(find *.zip)
	if [ -f $ZIP ];
	then
		echo "X.....$ZIP is able to be flashed"
	fi
	cd ..
	echo "X......Flashing Kernel"
	echo "X......Rebooting to recovery"
	echo "X......Make sure USB debugging is enabled"
	echo "X......If enabled, press ANYKEY now to reboot to recovery"
	read -n1 -r key
	adb reboot recovery
	echo "X......As soon as you boot into recovery, run ADB sideload and then press ANY KEY"
	read -n1 -r key
	cd KKRT
	adb sideload $ZIP >/dev/null 2>&1
	cd ..
	echo "X......Flashing Done!"
}

clear
echo "                                                     "
echo " _   __ _   ________ _____                 _       _     "
echo "| | / /| | / /| ___ \_   _|  ___  ___ _ __(_)_ __ | |_ "
echo "| |/ / | |/ / | |_/ / | |   / __|/ __| '__| | '_ \| __|"
echo "|    \ |    \ |    /  | |   \__ \ (__| |  | | |_) | |_  "
echo "| |\  \| |\  \| |\ \  | |   |___/\___|_|  |_| .__/ \__|"
echo "\_| \_/\_| \_/\_| \_| \_/                   |_|         "
echo "            coded by Neel0210  "
echo "Select"
echo "1 = Clean"
echo "2 = Clean Build"
echo "3 = Dirty Build"
echo "4 = Update dependencies"
echo "5 = Flash kernel using adb"
echo "6 = exit"
read n

if [ $n -eq 1 ]; then
	CLEAN
fi
#
if [ $n -eq 2 ]; then
	KKRT
fi
#
if [ $n -eq 3 ]; then
	DB
fi
#
if [ $n -eq 4 ]; then
	sudo bash scripts/bin
fi
#
if [ $n -eq 5 ]; then
	FLASHING
fi
#
if [ $n -eq 6 ]; then
	echo "Quiting now"
	sleep 2
	exit
fi