GKI_KernelSU_SUSFS/.github/workflows/build.yml

name: Build Script
permissions:
  contents: write
  actions: write 

on:
  workflow_call:
    inputs:
      use_make:
        required: true
        type: boolean
      android_version:
        required: true
        type: string
      kernel_version:
        required: true
        type: string
      sub_level:
        required: true
        type: string
      os_patch_level:
        required: true
        type: string
      kernelsu_variant:
        required: true
        type: string
      kernelsu_branch:
        required: true
        type: string
      kernelsu_branch_other:
        required: false
        type: string
      revision:
        required: false
        type: string

jobs:
  build-gki:
    runs-on: ubuntu-latest
    timeout-minutes: 120
    env:
      CCACHE_COMPILERCHECK: "%compiler% -dumpmachine; %compiler% -dumpversion"
      CCACHE_NOHASHDIR: "true"
      CCACHE_HARDLINK: "true"

    steps:
      # - name: Maximize Build Space
      #   uses: AdityaGarg8/remove-unwanted-software@v5
      #   with:
      #     remove-dotnet: 'true'          # Frees ~2 GB
      #     remove-android: 'true'         # Frees ~9 GB
      #     remove-haskell: 'true'         # Frees ~5.2 GB
      #     remove-codeql: 'true'          # Frees ~5.4 GB
      #     remove-docker-images: 'true'   # Frees ~3.2 GB
      #     remove-large-packages: 'true'  # Frees ~3.1 GB
      #     remove-swapfile: 'true'        # Frees ~4 GB
      #     remove-cached-tools: 'false'   # Avoid unless confirmed safe
      #     verbose: 'true'                # Enable detailed logging
          
      - name: Set CONFIG Environment Variable
        run: |
          # Set CONFIG dynamically based on inputs values
          CONFIG="${{ inputs.android_version }}-${{ inputs.kernel_version }}-${{ inputs.sub_level }}"

          # Set CONFIG as an environment variable for future steps
          echo "CONFIG=$CONFIG" >> $GITHUB_ENV

          echo "CONFIG set to: $CONFIG"

      - name: Install ccache
        run: sudo apt update && sudo apt install -y ccache libelf-dev libssl-dev build-essential

      - name: Set up ccache
        run: |
          mkdir -p ~/.cache/bazel
          ccache --version
          ccache --max-size=2G
          ccache --set-config=compression=true
          echo "CCACHE_DIR=$HOME/.ccache" >> $GITHUB_ENV

      - name: Install Repo
        run: |
          mkdir -p ./git-repo
          echo "Downloading repo tool..."
          curl https://storage.googleapis.com/git-repo-downloads/repo > ./git-repo/repo
          chmod a+rx ./git-repo/repo
          echo "REPO=$GITHUB_WORKSPACE/./git-repo/repo" >> $GITHUB_ENV

      - name: Clone AnyKernel3 and Other Dependencies
        run: |
          echo "Cloning AnyKernel3 and other dependencies..."
          ANYKERNEL_BRANCH="gki-2.0"
          SUSFS_BRANCH="gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}"
          echo "Using branch for AnyKernel3: $ANYKERNEL_BRANCH"
          echo "Using branch for SUSFS: $SUSFS_BRANCH"
          git clone https://github.com/WildPlusKernel/AnyKernel3.git -b "$ANYKERNEL_BRANCH"
          git clone https://gitlab.com/simonpunk/susfs4ksu.git -b "$SUSFS_BRANCH"
          git clone https://github.com/WildPlusKernel/kernel_patches.git

      - name: Initialize and Sync Kernel Source
        run: |
          echo "Creating folder for configuration: $CONFIG..."
          mkdir -p "$CONFIG"
          cd "$CONFIG"
          echo "Initializing and syncing kernel source..."
          FORMATTED_BRANCH="${{ inputs.android_version }}-${{ inputs.kernel_version }}-${{ inputs.os_patch_level }}"
          $REPO init --depth=1 --u https://android.googlesource.com/kernel/manifest -b common-${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
          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
          $REPO --version
          $REPO --trace sync -c -j$(nproc --all) --no-tags --fail-fast

      - name: Fix Less Then 6.6.50 Builds
        run: |
          cd "$CONFIG/common"
          if [ "${{ inputs.android_version }}" = "android15" ] && [ "${{ inputs.kernel_version }}" = "6.6" ]; then
            if ! grep -qxF '#include <trace/hooks/fs.h>' ./fs/namespace.c; then
                sed -i '/#include <trace\/hooks\/blk.h>/a #include <trace\/hooks\/fs.h>' ./fs/namespace.c
            else
                echo "Line already present. Skipping insert."
            fi
          fi

      - name: Determine the branch for KernelSU
        run: |
          case "${{ inputs.kernelsu_branch }}" in
            "Stable")
              echo "BRANCH=-" >> $GITHUB_ENV
              ;;
            "Dev")
              if [[ "${{ inputs.kernelsu_variant }}" == "KSU" ]]; then
                echo "BRANCH=-s main" >> $GITHUB_ENV
              elif [[ "${{ inputs.kernelsu_variant }}" == "NEXT" ]]; then
                echo "BRANCH=-s next" >> $GITHUB_ENV
              elif [[ "${{ inputs.kernelsu_variant }}" == "WILD" ]]; then
                echo "BRANCH=-s wild" >> $GITHUB_ENV
              fi
              ;;
            "Other")
              if [[ -n "${{ inputs.kernelsu_branch_other }}" ]]; then
                echo "BRANCH=-s ${{ inputs.kernelsu_branch_other }}" >> $GITHUB_ENV
              else
                echo "Error: Custom branch not provided for 'Other'" >&2
                exit 1
              fi
              ;;
          esac
      
      - name: Add KernelSU
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"
      
          case "${{ inputs.kernelsu_variant }}" in
            "WILD")
              echo "Adding Wild KSU..."
              curl -LSs "https://raw.githubusercontent.com/WildKernels/Wild_KSU/wild/kernel/setup.sh" | bash ${{ env.BRANCH }}
              ;;
            "KSU")
              echo "Adding KernelSU Official..."
              curl -LSs "https://raw.githubusercontent.com/tiann/KernelSU/main/kernel/setup.sh" | bash ${{ env.BRANCH }}
              ;;
            "NEXT")
              echo "Adding KernelSU Next..."
              curl -LSs "https://raw.githubusercontent.com/KernelSU-Next/KernelSU-Next/next/kernel/setup.sh" | bash ${{ env.BRANCH }}
              ;;

          esac
          
      - name: Apply SUSFS Patches for KernelSU Variants
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"
          
          echo "Applying SUSFS patches..."
          
          # Copy SUSFS patches
          cp ../susfs4ksu/kernel_patches/50_add_susfs_in_gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}.patch ./common/
          cd common
          patch -p1 --forward < 50_add_susfs_in_gki-${{ inputs.android_version }}-${{ inputs.kernel_version }}.patch
          cd ..
          cp ../susfs4ksu/kernel_patches/fs/* ./common/fs/
          cp ../susfs4ksu/kernel_patches/include/linux/* ./common/include/linux/
          
          case "${{ inputs.kernelsu_variant }}" in
            "WILD")
              echo "Applying SUSFS patches for Wild KSU..."
              cd ./Wild_KSU
              cp ../../susfs4ksu/kernel_patches/KernelSU/10_enable_susfs_for_ksu.patch ./
              patch -p1 --forward < 10_enable_susfs_for_ksu.patch || true
              
              cp ../../kernel_patches/wild/susfs_fix_patches/v1.5.9/fix_core_hook.c.patch ./
              patch -p1 --forward --fuzz=3 < fix_core_hook.c.patch
              
              cp ../../kernel_patches/wild/susfs_fix_patches/v1.5.9/fix_rules.c.patch ./
              patch -p1 --forward < fix_rules.c.patch

              cp ../../kernel_patches/wild/susfs_fix_patches/v1.5.9/fix_sucompat.c.patch ./
              patch -p1 --forward < fix_sucompat.c.patch

              cp ../../kernel_patches/wild/susfs_fix_patches/v1.5.9/fix_kernel_compat.c.patch ./
              patch -p1 --forward < fix_kernel_compat.c.patch
              ;;
            "KSU")
              echo "Applying SUSFS patches for Official KernelSU..."
              cd ./KernelSU
              cp ../../susfs4ksu/kernel_patches/KernelSU/10_enable_susfs_for_ksu.patch ./
              patch -p1 --forward < 10_enable_susfs_for_ksu.patch
              ;;
            "NEXT")
              echo "Applying SUSFS patches for KernelSU Next..."
              cd ./KernelSU-Next
              cp ../../susfs4ksu/kernel_patches/KernelSU/10_enable_susfs_for_ksu.patch ./
              patch -p1 --forward < 10_enable_susfs_for_ksu.patch || true
              
              cp ../../kernel_patches/next/susfs_fix_patches/v1.5.9/fix_apk_sign.c.patch ./
              patch -p1 --forward < fix_apk_sign.c.patch
              
              cp ../../kernel_patches/next/susfs_fix_patches/v1.5.9/fix_core_hook.c.patch ./
              patch -p1 --forward --fuzz=3 < fix_core_hook.c.patch
              
              cp ../../kernel_patches/next/susfs_fix_patches/v1.5.9/fix_rules.c.patch ./
              patch -p1 --forward < fix_rules.c.patch

              cp ../../kernel_patches/next/susfs_fix_patches/v1.5.9/fix_sucompat.c.patch ./
              patch -p1 --forward < fix_sucompat.c.patch

              cp ../../kernel_patches/next/susfs_fix_patches/v1.5.9/fix_kernel_compat.c.patch ./
              patch -p1 --forward < fix_kernel_compat.c.patch
              ;;

          esac

      - name: Getting KernelSU Version
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"
          
          case "${{ inputs.kernelsu_variant }}" in
            "WILD")
              echo "Applying SUSFS patches for Official KernelSU..."
              cd ./Wild_KSU
              BASE_VERSION=10200
              ;;
            "KSU")
              echo "Applying SUSFS patches for Official KernelSU..."
              cd ./KernelSU
              BASE_VERSION=10200
              ;;
            "NEXT")
              cd ./KernelSU-Next
              BASE_VERSION=10200
              ;;

          esac
          
          cd ./kernel
          KSU_VERSION=$(expr $(/usr/bin/git rev-list --count HEAD) "+" $BASE_VERSION)
          echo "KSUVER=$KSU_VERSION" >> $GITHUB_ENV
          
      - name: Apply Hooks Patches
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG/common"
          
          if [ "${{ inputs.kernelsu_variant }}" == "NEXT" ]; then
            echo "Applying hooks for KernelSU-Next..."
            cp ../../kernel_patches/next/scope_min_manual_hooks_v1.4.patch ./
            patch -p1 --forward -F 3 < scope_min_manual_hooks_v1.4.patch
          elif [ "${{ inputs.kernelsu_variant }}" == "WILD" ]; then
            echo "Applying hooks for Wild KSU..."
            cp ../../kernel_patches/wild/hooks/scope_min_manual_hooks_v1.4.patch ./
            patch -p1 --forward -F 3 < scope_min_manual_hooks_v1.4.patch
          fi

      - name: Apply Hide Stuff Patches
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG/common"
          cp ../../kernel_patches/69_hide_stuff.patch ./
          patch -p1 --forward -F 3 < 69_hide_stuff.patch

      - name: Fix WiFi and Bluetooth on Samsung 6.6 GKI devices
        if: ${{ ( inputs.kernel_version == '6.6' ) }}
        run: |
          echo "[+] Adding Samsung KDP exported symbols to abi_gki_aarch64_galaxy"
          SYMBOL_LIST=$CONFIG/common/android/abi_gki_aarch64_galaxy
          echo "kdp_set_cred_non_rcu" >> $SYMBOL_LIST
          echo "kdp_usecount_dec_and_test" >> $SYMBOL_LIST
          echo "kdp_usecount_inc" >> $SYMBOL_LIST
          echo "[+] Adding Samsung KDP exported symbols definition to abi_gki_aarch64.stg"
          cd $CONFIG/common
          PATCH="../../kernel_patches/samsung/min_kdp/add-min_kdp-symbols.patch"
          if patch -p1 --dry-run < $PATCH; then
            echo "[+] Successfully added Samsung KDP exported symbols definition to abi_gki_aarch64.stg"
            patch -p1 --no-backup-if-mismatch < $PATCH
          fi
          echo "[+] Adding Samsung minimal KDP driver"
          cd drivers
          cp "../../../kernel_patches/samsung/min_kdp/min_kdp.c" min_kdp.c
          echo "obj-y += min_kdp.o" >> Makefile


      - name: Add Configuration Settings
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"
          echo "Adding configuration settings to gki_defconfig..."

          # Add KSU configuration settings
          echo "CONFIG_KSU=y" >> ./common/arch/arm64/configs/gki_defconfig
          
          if [ "${{ inputs.kernelsu_variant }}" == "NEXT" ] || [ "${{ inputs.kernelsu_variant }}" == "WILD" ]; then
            echo "CONFIG_KSU_KPROBES_HOOK=n" >> ./common/arch/arm64/configs/gki_defconfig
          fi
                    
          # Add additional tmpfs config setting
          echo "CONFIG_TMPFS_XATTR=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_TMPFS_POSIX_ACL=y" >> ./common/arch/arm64/configs/gki_defconfig

          # Add additional config setting
          echo "CONFIG_IP_NF_TARGET_TTL=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_IP6_NF_TARGET_HL=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_IP6_NF_MATCH_HL=y" >> ./common/arch/arm64/configs/gki_defconfig

          # Add BBR Config
          echo "CONFIG_TCP_CONG_ADVANCED=y" >> ./common/arch/arm64/configs/gki_defconfig 
          echo "CONFIG_TCP_CONG_BBR=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_NET_SCH_FQ=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_TCP_CONG_BIC=n" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_TCP_CONG_WESTWOOD=n" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_TCP_CONG_HTCP=n" >> ./common/arch/arm64/configs/gki_defconfig 

          # Remove check_defconfig
          sed -i 's/check_defconfig//' ./common/build.config.gki

      - name: Add SUSFS Configuration Settings
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"

          # Add SUSFS configuration settings
          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=n" >> ./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

          if [ "${{ inputs.kernelsu_variant }}" == "NEXT" ] || [ "${{ inputs.kernelsu_variant }}" == "WILD" ]; then
            echo "CONFIG_KSU_SUSFS_SUS_SU=n" >> ./common/arch/arm64/configs/gki_defconfig
          else
            echo "CONFIG_KSU_SUSFS_SUS_SU=y" >> ./common/arch/arm64/configs/gki_defconfig
          fi

      - name: Change Kernel Name
        if: ${{ inputs.use_make != 'true' }}
        run: |
          cd "$CONFIG"
          if [ -f "build/build.sh" ]; then
              perl -pi -e 's/-dirty//' ./common/scripts/setlocalversion
              perl -0777 -pi -e 's/(echo "\$res")(?!.*echo "\$res")/echo "\$res-${{ inputs.kernelsu_variant }}:v\$KSUVER-SUSFS:v1.5.9-Wild"/s' ./common/scripts/setlocalversion
              perl -pi -e 's{UTS_VERSION="\$\(echo \$UTS_VERSION \$CONFIG_FLAGS \$TIMESTAMP \| cut -b -\$UTS_LEN\)"}{UTS_VERSION="#1 SMP PREEMPT Sun Apr 20 04:20:00 UTC 2025"}' ./common/scripts/mkcompile_h
          else
              #Remove -maybe-dirty
              perl -pi -e 's/-maybe-dirty//g' ./build/kernel/kleaf/impl/stamp.bzl
              
              #Set Kernel Name
              echo "CONFIG_LOCALVERSION=\"-${{ inputs.kernelsu_variant }}:$KSUVER-SUSFS:v1.5.9-Wild\"" >> ./common/arch/arm64/configs/gki_defconfig

              #Set Kernel Timestamp
              perl -pi -e 's/build-timestamp = \$\(or \$\(KBUILD_BUILD_TIMESTAMP\), \$\(build-timestamp-auto\)\)/build-timestamp = "Sun Apr 20 04:20:00 UTC 2025"/' ./common/init/Makefile

              #Remove Abi Exports and Error
              rm -rf ./common/android/abi_gki_protected_exports_*
              perl -pi -e 's/^\s*"protected_exports_list"\s*:\s*"android\/abi_gki_protected_exports_aarch64",\s*$//;' ./common/BUILD.bazel
          fi

      - name: Build
        if: ${{ inputs.use_make != 'true' }}
        run : |
          set -e
          set -x
          cd "$CONFIG"
          echo "Building the kernel..."
          if [ -f "build/build.sh" ]; then
            LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh CC="/usr/bin/ccache clang" || exit 1
          else
            tools/bazel build --disk_cache=/home/runner/.cache/bazel --config=fast --lto=thin //common:kernel_aarch64_dist || exit 1
          fi
          ccache --show-stats

      - name: Create Kernel ZIP
        run: |
          echo "Creating kernel ZIP..."
          
          if [ "${{ inputs.use_make }}" = "true" ]; then
            # Copy Image for make=true builds
            cp $CONFIG/common/out/arch/arm64/boot/Image AnyKernel3/Image
          else
            # Copy Image for make=false builds based on Android version
            if [ "${{ inputs.android_version }}" = "android12" ] || [ "${{ inputs.android_version }}" = "android13" ]; then
              echo "Copying images for Android 12/13..."
              cp ./$CONFIG/out/${{ inputs.android_version }}-${{ inputs.kernel_version }}/dist/Image AnyKernel3/Image
            elif [ "${{ inputs.android_version }}" = "android14" ] || [ "${{ inputs.android_version }}" = "android15" ]; then
              echo "Copying images for Android 14/15..."
              cp ./$CONFIG/bazel-bin/common/kernel_aarch64/Image AnyKernel3/Image
            fi
          fi
          
          # Create ZIP file
          cd AnyKernel3
          ZIP_NAME="${{ inputs.kernelsu_variant }}-$KSUVER-${{ inputs.android_version }}-${{ inputs.kernel_version }}.${{ inputs.sub_level }}-${{ inputs.os_patch_level }}-AnyKernel3.zip"
          echo "Creating zip file: $ZIP_NAME..."
          zip -r "../$ZIP_NAME" ./*

      - name: Change Kernel Name
        if: ${{ inputs.use_make == 'true' }}
        run: |
          cd "$CONFIG"
          perl -pi -e 's/-dirty//' ./common/scripts/setlocalversion
          if [ -f "build/build.sh" ]; then
              #Set Kernel Name
              perl -0777 -pi -e 's/(echo "\$res")(?!.*echo "\$res")/echo "\$res-${{ inputs.kernelsu_variant }}:v\$KSUVER-SUSFS-v1.5.9-Wild"/s' ./common/scripts/setlocalversion
              #Set Kernel Timestamp
              perl -pi -e 's{UTS_VERSION="\$\(echo \$UTS_VERSION \$CONFIG_FLAGS \$TIMESTAMP \| cut -b -\$UTS_LEN\)"}{UTS_VERSION="#1 SMP PREEMPT Sun Apr 20 04:20:00 UTC 2025"}' ./common/scripts/mkcompile_h
          else
              #Set Kernel Name
              perl -pi -e 's{echo "\${KERNELVERSION}\${file_localversion}\${config_localversion}\${LOCALVERSION}\${scm_version}"}{echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}-${{ inputs.kernelsu_variant }}:v'"$KSUVER"'-SUSFS:v1.5.9-Wild"}' /scripts/setlocalversion
              
              #Set Kernel Timestamp
              perl -pi -e 's/build-timestamp = \$\(or \$\(KBUILD_BUILD_TIMESTAMP\), \$\(build-timestamp-auto\)\)/build-timestamp = "Sun Apr 20 04:20:00 UTC 2025"/' ./common/init/Makefile
          fi

      - name: Add Build based configs
        if: ${{ inputs.use_make == 'true' }}
        run: |
          echo "Changing to configuration directory: $CONFIG..."
          cd "$CONFIG"
          echo "CONFIG_LTO_CLANG_THIN=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_LTO_CLANG=y" >> ./common/arch/arm64/configs/gki_defconfig
          echo "CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y" >> "./common/arch/arm64/configs/gki_defconfig"
          echo "CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3=n" >> "./common/arch/arm64/configs/gki_defconfig"

      - name: Detect Clang Version from Configs
        if: ${{ inputs.use_make == 'true' }}
        shell: bash
        run: |
          KERNEL_PATH="$GITHUB_WORKSPACE/$CONFIG"
          DEFCONFIG="$KERNEL_PATH/common/arch/arm64/configs/gki_defconfig"
          BUILDCONFIG="$KERNEL_PATH/common/build.config.gki"
          CONSTANTSCONFIG="$KERNEL_PATH/common/build.config.constants"
          CLANG_VERSION=""
          CLANG_BIN_PATH=""
          if grep -q '^CONFIG_CLANG_VERSION=' "$DEFCONFIG" 2>/dev/null; then
            CLANG_VERSION=$(grep '^CONFIG_CLANG_VERSION=' "$DEFCONFIG" 2>/dev/null | head -n1 | cut -d'=' -f2 | tr -d '"' | xargs)
          elif grep -q '^CLANG_VERSION=' "$BUILDCONFIG" 2>/dev/null; then
            CLANG_VERSION=$(grep '^CLANG_VERSION=' "$BUILDCONFIG" 2>/dev/null | head -n1 | cut -d'=' -f2 | xargs)
          elif grep -q '^CLANG_VERSION=' "$CONSTANTSCONFIG" 2>/dev/null; then
            CLANG_VERSION=$(grep '^CLANG_VERSION=' "$CONSTANTSCONFIG" 2>/dev/null | head -n1 | cut -d'=' -f2 | xargs)
            CLANG_VERSION="clang-$CLANG_VERSION"
          else
            echo "No clang version found in config, will auto-detect in prebuilts."
          fi
          if [ -z "$CLANG_VERSION" ]; then
            if [ -d "$KERNEL_PATH/prebuilts/clang/host/linux-x86" ]; then
              CLANG_VERSION=$(ls -d "$KERNEL_PATH"/prebuilts/clang/host/linux-x86/clang-r*/ | tail -n 1 | xargs basename)
              CLANG_BIN_PATH="$KERNEL_PATH/prebuilts/clang/host/linux-x86/$CLANG_VERSION/bin"
            elif [ -d "$KERNEL_PATH/prebuilts-master/clang/host/linux-x86" ]; then
              CLANG_VERSION=$(ls -d "$KERNEL_PATH"/prebuilts-master/clang/host/linux-x86/clang-r*/ | tail -n 1 | xargs basename)
              CLANG_BIN_PATH="$KERNEL_PATH/prebuilts-master/clang/host/linux-x86/$CLANG_VERSION/bin"
            else
              CLANG_VERSION="clang"
              CLANG_BIN_PATH="$KERNEL_PATH/prebuilts/clang/host/linux-x86/$CLANG_VERSION/bin" # dummy
            fi
          else
            if [ -d "$KERNEL_PATH/prebuilts/clang/host/linux-x86" ]; then
              CLANG_BIN_PATH="$KERNEL_PATH/prebuilts/clang/host/linux-x86/$CLANG_VERSION/bin"
            else
              CLANG_BIN_PATH="$KERNEL_PATH/prebuilts-master/clang/host/linux-x86/$CLANG_VERSION/bin"
            fi
          fi
          echo "Detected CLANG_VERSION: $CLANG_VERSION"
          echo "CLANG_VERSION=$CLANG_VERSION" >> $GITHUB_ENV
          echo "CLANG_BIN_PATH=$CLANG_BIN_PATH" >> $GITHUB_ENV

      - name: Build Kernel
        if: ${{ inputs.use_make == 'true' }}  
        shell: bash
        run: |
          KERNEL_PATH="$GITHUB_WORKSPACE/$CONFIG"
          CLANG_BIN_PATH="${{ env.CLANG_BIN_PATH }}"
          CLANG_VERSION="${{ env.CLANG_VERSION }}"
          if [ -d "$CLANG_BIN_PATH" ] && [ -x "$CLANG_BIN_PATH/clang" ]; then
            echo "Adding Clang to PATH: $CLANG_BIN_PATH"
            export PATH="$CLANG_BIN_PATH:$PATH"
            SELECTED_CLANG="$CLANG_BIN_PATH/clang"
          elif command -v clang >/dev/null 2>&1; then
            SELECTED_CLANG="$(command -v clang)"
            echo "Using system Clang: $SELECTED_CLANG"
            exit 1
          else
            echo "Error: No valid Clang binary found"
            exit 1
          fi
          echo "Using Clang version: $($SELECTED_CLANG --version | head -n1)"
          LLVM_TOOLS="clang ld.lld llvm-ar llvm-objcopy llvm-objdump llvm-nm"
          MISSING_TOOLS=""
          for tool in $LLVM_TOOLS; do
            if ! command -v $tool >/dev/null 2>&1; then
              MISSING_TOOLS="$MISSING_TOOLS $tool"
            fi
          done
          if [ -n "$MISSING_TOOLS" ]; then
            echo "Installing missing LLVM tools:$MISSING_TOOLS"
            sudo apt-get update
            sudo apt-get install -yq --no-install-recommends llvm
            for tool in $MISSING_TOOLS; do
              if ! command -v $tool >/dev/null 2>&1; then
                echo "Error: Failed to install $tool"
                exit 1
              fi
            done
          fi
          KERNEL_VERSION="${{ inputs.kernel_version }}"
          if [[ "$KERNEL_VERSION" == "5.10" ]]; then
            USE_LLVM_IAS=true
          fi
          cd "$KERNEL_PATH/common" || exit 1
          MAKE_ARGS="LLVM=1 ARCH=arm64 CROSS_COMPILE=aarch64-linux-android- \
            RUSTC=$KERNEL_PATH/prebuilts/rust/linux-x86/1.73.0b/bin/rustc \
            PAHOLE=$KERNEL_PATH/prebuilts/kernel-build-tools/linux-x86/bin/pahole \
            LD=ld.lld HOSTLD=ld.lld"
          if [[ -v USE_LLVM_IAS ]]; then
            MAKE_ARGS="LLVM_IAS=1 $MAKE_ARGS"
          fi
          
          make -j$(nproc --all) O=out $MAKE_ARGS KCFLAGS+="-Wno-error -O2 -flto=thin -fno-stack-protector" gki_defconfig || exit 1
          make -j$(nproc --all) O=out $MAKE_ARGS KCFLAGS+="-Wno-error -O2 -flto=thin -fno-stack-protector" || exit 1


  
      - name: Upload Build Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.kernelsu_variant }}-kernel-${{ env.CONFIG }}
          path: |
            *.zip
            *.img.gz
            *Image*