name: Build Android 14 GKI Kernels

on:
  workflow_call:  # This allows this workflow to be called from another workflow
  
jobs:
  build-kernel-a14-kernelsu-susfs:
    runs-on: ubuntu-22.04
    timeout-minutes: 2160  # Set maximum timeout

    steps:
      - name: Maximize build space
        uses: easimon/maximize-build-space@master
        with:
          root-reserve-mb: 8192
          temp-reserve-mb: 2048
          remove-dotnet: 'true'
          remove-android: 'true'
          remove-haskell: 'true'
          remove-codeql: 'true'

      - name: Download prebuilt toolchain
        run: |
          AOSP_MIRROR=https://android.googlesource.com
          BRANCH=main-kernel-build-2024
          git clone $AOSP_MIRROR/kernel/prebuilts/build-tools -b $BRANCH --depth 1 kernel-build-tools
          git clone $AOSP_MIRROR/platform/system/tools/mkbootimg -b $BRANCH --depth 1 mkbootimg

          echo "AVBTOOL=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/bin/avbtool" >> $GITHUB_ENV
          echo "MKBOOTIMG=$GITHUB_WORKSPACE/mkbootimg/mkbootimg.py" >> $GITHUB_ENV
          echo "UNPACK_BOOTIMG=$GITHUB_WORKSPACE/mkbootimg/unpack_bootimg.py" >> $GITHUB_ENV

      - name: Set boot sign key
        env:
          BOOT_SIGN_KEY: ${{ secrets.BOOT_SIGN_KEY }}
        run: |
          if [ ! -z "$BOOT_SIGN_KEY" ]; then
            echo "$BOOT_SIGN_KEY" > ./kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem
            echo "BOOT_SIGN_KEY_PATH=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem" >> $GITHUB_ENV
          else
            echo "BOOT_SIGN_KEY is not set. Exiting..."
            exit 1
          fi
      
      - name: Install Dependencies
        run: |
          # Install dependencies
            sudo apt update
            sudo apt install -y lz4 gzip repo perl

      - name: Build for all configurations
        run: |
          BUILD_CONFIGS=(
            "android14-5.15-131-2023-11"
            "android14-5.15-137-2024-01"
            "android14-5.15-144-2024-03"
            "android14-5.15-148-2024-05"
            "android14-5.15-149-2024-06"
            "android14-5.15-153-2024-07"
            "android14-5.15-158-2024-08"
            "android14-5.15-167-2024-11"
            "android14-5.15-X-lts"
            
            "android14-6.1-25-2023-10"
            "android14-6.1-43-2023-11"
            "android14-6.1-57-2024-01"
            "android14-6.1-68-2024-03"
            "android14-6.1-75-2024-05"
            "android14-6.1-78-2024-06"
            "android14-6.1-84-2024-07"
            "android14-6.1-90-2024-08"
            "android14-6.1-112-2024-11"
            "android14-6.1-115-2024-12"
            "android14-6.1-X-lts"
          )

          for CONFIG in "${BUILD_CONFIGS[@]}"; do
            CONFIG_DETAILS=${CONFIG}
            # Create directory and proceed with your steps
            echo "Creating folder for configuration: $CONFIG..."
            mkdir -p "$CONFIG"
            cd "$CONFIG"
            IFS="-" read -r ANDROID_VERSION KERNEL_VERSION SUB_LEVEL DATE <<< "$CONFIG_DETAILS"
            FORMATTED_BRANCH="${ANDROID_VERSION}-${KERNEL_VERSION}-${DATE}"

            # Git clone
            echo "Cloning AnyKernel3 and other dependencies..."
            git clone https://github.com/TheWildJames/AnyKernel3.git -b "${ANDROID_VERSION}-${KERNEL_VERSION}"
            git clone https://gitlab.com/simonpunk/susfs4ksu.git -b "gki-${ANDROID_VERSION}-${KERNEL_VERSION}"
            git clone https://github.com/TheWildJames/kernel_patches.git

            echo "Creating folder for configuration: $CONFIG..."
            mkdir -p "$CONFIG"
            cd "$CONFIG"
            
            # Initialize and sync kernel source
            echo "Initializing and syncing kernel source..."
            repo init --depth=1 --u https://android.googlesource.com/kernel/manifest -b common-${FORMATTED_BRANCH} --repo-rev=v2.16
            REMOTE_BRANCH=$(git ls-remote https://android.googlesource.com/kernel/common ${FORMATTED_BRANCH})
            DEFAULT_MANIFEST_PATH=.repo/manifests/default.xml

            # Check if branch is deprecated
            if grep -q deprecated <<< $REMOTE_BRANCH; then
              echo "Found deprecated branch: $FORMATTED_BRANCH"
              sed -i "s/\"${FORMATTED_BRANCH}\"/\"deprecated\/${FORMATTED_BRANCH}\"/g" $DEFAULT_MANIFEST_PATH
            fi

            # Sync repo and apply patches
            repo --version
            repo --trace sync -c -j$(nproc --all) --no-tags --fail-fast

            # Add KernelSU, SUSFS patches, and build the kernel
            echo "Adding KernelSU..."
            curl -LSs "https://raw.githubusercontent.com/rifsxd/KernelSU-Next/next/kernel/setup.sh" | bash -
            #cd ./KernelSU-Next/kernel
            #sed -i 's/ccflags-y += -DKSU_VERSION=16/ccflags-y += -DKSU_VERSION=12000/' ./Makefile
            #cd ../../
            echo "Applying SUSFS patches..."
            cp ../susfs4ksu/kernel_patches/KernelSU/10_enable_susfs_for_ksu.patch ./KernelSU-Next/
            cp ../susfs4ksu/kernel_patches/50_add_susfs_in_gki-${ANDROID_VERSION}-${KERNEL_VERSION}.patch ./common/
            cp ../susfs4ksu/kernel_patches/fs/* ./common/fs/
            cp ../susfs4ksu/kernel_patches/include/linux/* ./common/include/linux/

            # Apply patches
            cd ./KernelSU-Next
            patch -p1 --forward < 10_enable_susfs_for_ksu.patch || true
            cd ../common
            patch -p1 < 50_add_susfs_in_gki-${ANDROID_VERSION}-${KERNEL_VERSION}.patch || true
            cp ../../kernel_patches/69_hide_stuff.patch ./
            patch -p1 -F 3 < 69_hide_stuff.patch
            cd ..
            
            cp ../kernel_patches/apk_sign.c_fix.patch ./
            patch -p1 -F 3 < apk_sign.c_fix.patch
            
            cp ../kernel_patches/core_hook.c_fix.patch ./
            patch -p1 --fuzz=3 < ./core_hook.c_fix.patch

            cp ../kernel_patches/selinux.c_fix.patch ./
            patch -p1 -F 3 < selinux.c_fix.patch
            
            # Add configuration settings for SUSFS
            echo "Adding configuration settings to gki_defconfig..."
            echo "CONFIG_KSU=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_HAS_MAGIC_MOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SUS_PATH=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SUS_MOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_AUTO_ADD_SUS_KSU_DEFAULT_MOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_AUTO_ADD_SUS_BIND_MOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SUS_KSTAT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SUS_OVERLAYFS=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_TRY_UMOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_AUTO_ADD_TRY_UMOUNT_FOR_BIND_MOUNT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SPOOF_UNAME=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_ENABLE_LOG=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_HIDE_KSU_SUSFS_SYMBOLS=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SPOOF_CMDLINE_OR_BOOTCONFIG=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_OPEN_REDIRECT=y" >> ./common/arch/arm64/configs/gki_defconfig
            echo "CONFIG_KSU_SUSFS_SUS_SU=y" >> ./common/arch/arm64/configs/gki_defconfig

            echo "CONFIG_TMPFS_XATTR=y" >> ./common/arch/arm64/configs/gki_defconfig
            
            # Build the kernel using Bazel
            echo "Building kernel..."
            sed -i '$s|echo "\$res"|echo "\$res-Wild+"|' ./common/scripts/setlocalversion
            sed -i "/stable_scmversion_cmd/s/-maybe-dirty//g" ./build/kernel/kleaf/impl/stamp.bzl
            sed -i '2s/check_defconfig//' ./common/build.config.gki
            perl -pi -e 's{UTS_VERSION="\$\(echo \$UTS_VERSION \$CONFIG_FLAGS \$TIMESTAMP \| cut -b -\$UTS_LEN\)"}{UTS_VERSION="#1 SMP PREEMPT Sat Apr 20 04:20:00 UTC 2024"}' ./common/scripts/mkcompile_h
            
            rm -rf ./common/android/abi_gki_protected_exports_aarch64
            rm -rf ./common/android/abi_gki_protected_exports_x86_64
            tools/bazel build --config=fast --lto=thin //common:kernel_aarch64_dist

            # Create boot images
            echo "Creating boot images..."
            mkdir -p bootimgs
            cp ./bazel-bin/common/kernel_aarch64/Image ./bootimgs
            cp ./bazel-bin/common/kernel_aarch64/Image.lz4 ./bootimgs
            cp ./bazel-bin/common/kernel_aarch64/Image ../
            cp ./bazel-bin/common/kernel_aarch64/Image.lz4 ../
            gzip -n -k -f -9 ../Image >../Image.gz
            cd ./bootimgs

            echo 'Building Image.gz'
            gzip -n -k -f -9 Image >Image.gz
            
            $MKBOOTIMG --header_version 4 --kernel Image --output boot.img
            $AVBTOOL add_hash_footer --partition_name boot --partition_size $((64 * 1024 * 1024)) --image boot.img --algorithm SHA256_RSA2048 --key $BOOT_SIGN_KEY_PATH
            cp ./boot.img ../../../${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}-boot.img

            $MKBOOTIMG --header_version 4 --kernel Image.gz --output boot-gz.img
            $AVBTOOL add_hash_footer --partition_name boot --partition_size $((64 * 1024 * 1024)) --image boot-gz.img --algorithm SHA256_RSA2048 --key $BOOT_SIGN_KEY_PATH
            cp ./boot-gz.img ../../../${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}-boot-gz.img

            $MKBOOTIMG --header_version 4 --kernel Image.lz4 --output boot-lz4.img
            $AVBTOOL add_hash_footer --partition_name boot --partition_size $((64 * 1024 * 1024)) --image boot-lz4.img --algorithm SHA256_RSA2048 --key $BOOT_SIGN_KEY_PATH
            cp ./boot-lz4.img ../../../${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}-boot-lz4.img

            cd ..

            # Create AnyKernel3 ZIP files
            echo "Creating AnyKernel3 ZIP files..."
            cd ../AnyKernel3

            # Creating ZIPs for kernel images
            ZIP_NAME="AnyKernel3-${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}.zip"
            mv ../Image ./Image 
            zip -r "../../$ZIP_NAME" ./*
            rm ./Image

            ZIP_NAME="AnyKernel3-lz4-${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}.zip"
            mv ../Image.lz4 ./Image.lz4 
            zip -r "../../$ZIP_NAME" ./*
            rm ./Image.lz4

            ZIP_NAME="AnyKernel3-gz-${ANDROID_VERSION}-${KERNEL_VERSION}.${SUB_LEVEL}_${DATE}.zip"
            mv ../Image.gz ./Image.gz 
            zip -r "../../$ZIP_NAME" ./*
            rm ./Image.gz

          # Go back to the original directory
          cd ../../

            # Delete the $CONFIG folder after building
            echo "Deleting $CONFIG folder..."
            rm -rf "$CONFIG"
          done
          
      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: kernel-artifacts-a14
          path: |
            *.zip
            *.img