name: Kernel Build Process
permissions:
  contents: write
  actions: write

on:
  workflow_call:
    inputs:
      kernel_version:
        required: true
        type: string
      variant:
        required: false
        type: string
      ksu_commit:
        required: false
        type: string
      anykernel_commit:
        required: false
        type: string
      patches_commit:
        required: false
        type: string
      susfs_commit:
        required: false
        type: string
      feature_set:
        required: true
        type: string

jobs:
  build-gki:
    name: "${{ inputs.kernel_version }} (${{ matrix.variant }})"
    strategy:
      fail-fast: false
      matrix:
        variant: ['Normal', 'Bypass']
    runs-on: ubuntu-latest
    timeout-minutes: 60

    steps:
    - name: Checkout Repository
      uses: actions/checkout@v5

    - name: Parse kernel version
      id: parse
      run: |
        # Parse version string. 
        # Format: [KERNEL_VERSION].[SUBLEVEL]-[ANDROID_VERSION]-[PATCH_LEVEL]
        # Example 1: 5.10.198-android12-2024-01 -> K=5.10, S=198, A=android12, P=2024-01
        # Example 2: 5.10.X-android12-lts       -> K=5.10, S=X,   A=android12, P=lts
        
        INPUT_VERSION="${{ inputs.kernel_version }}"
        
        # Split by hyphens
        IFS='-' read -r KERNEL_PART ANDROID_PART REST <<< "$INPUT_VERSION"
        
        # Extract Kernel Version and Sublevel
        KERNEL_VERSION="${KERNEL_PART%.*}"
        SUB_LEVEL="${KERNEL_PART##*.}"
        
        # Extract Android Version
        ANDROID_VERSION="$ANDROID_PART"
        
        # Everything after the android version is the patch level
        OS_PATCH_LEVEL="$REST"
  
        echo "Parsed: KERNEL=$KERNEL_VERSION, SUB=$SUB_LEVEL, ANDROID=$ANDROID_VERSION, PATCH=$OS_PATCH_LEVEL"
        
        # Set environment variables for subsequent steps and shell scripts
        echo "ANDROID_VERSION=$ANDROID_VERSION" >> "$GITHUB_ENV"
        echo "KERNEL_VERSION=$KERNEL_VERSION" >> "$GITHUB_ENV"
        echo "SUB_LEVEL=$SUB_LEVEL" >> "$GITHUB_ENV"
        echo "OS_PATCH_LEVEL=$OS_PATCH_LEVEL" >> "$GITHUB_ENV"

        # Set step outputs for immediate YAML context access (avoids validation warnings)
        echo "android_version=$ANDROID_VERSION" >> $GITHUB_OUTPUT
        echo "kernel_version=$KERNEL_VERSION" >> $GITHUB_OUTPUT
        echo "sub_level=$SUB_LEVEL" >> $GITHUB_OUTPUT
        echo "os_patch_level=$OS_PATCH_LEVEL" >> $GITHUB_OUTPUT

    - name: Free Disk Space
      if: true
      uses: endersonmenezes/free-disk-space@v3  # Use @main for latest, @v3 for stable
      with:
        remove_android: true
        remove_dotnet: true
        remove_haskell: true
        remove_tool_cache: true
        remove_packages: "azure-cli google-cloud-cli microsoft-edge-stable google-chrome-stable firefox postgresql* temurin-* *llvm* mysql* dotnet-sdk-*"
        remove_packages_one_command: true
        remove_folders: "/usr/share/swift /usr/share/miniconda /usr/share/az* /usr/local/lib/node_modules /usr/local/share/chromium /usr/local/share/powershell /usr/local/julia /usr/local/aws-cli /usr/local/aws-sam-cli /usr/share/gradle"
        rm_cmd: "rmz"  # Use 'rmz' for faster deletion (default: 'rm')
        rmz_version: "3.1.1"  # Required when rm_cmd is 'rmz'
        testing: false

    - name: Setup more Swap (for LTO)
      uses: thejerrybao/setup-swap-space@v1   # or pierotofy/set-swap-space
      with:
        swap-size-gb: 25          # 10-24 GB is common for heavy LTO
        # swap-space-path: /mnt/swapfile   # optional

    - name: Setup Build Environment
      run: |
        mkdir -p "$GITHUB_WORKSPACE/kernel"
        mkdir -p "$GITHUB_WORKSPACE/git-repo"
        curl -L https://storage.googleapis.com/git-repo-downloads/repo -o "$GITHUB_WORKSPACE/git-repo/repo"
        chmod +x "$GITHUB_WORKSPACE/git-repo/repo"
        echo "$GITHUB_WORKSPACE/git-repo" >> "$GITHUB_PATH"
        
        # Clone patches if commit is provided
        if [ -n "${{ inputs.patches_commit }}" ]; then
          echo "Cloning Kernel Patches at commit ${{ inputs.patches_commit }}"
          if [ -d "$GITHUB_WORKSPACE/kernel_patches" ]; then rm -rf "$GITHUB_WORKSPACE/kernel_patches"; fi
          git clone https://github.com/WildKernels/kernel_patches.git "$GITHUB_WORKSPACE/kernel_patches"
          cd "$GITHUB_WORKSPACE/kernel_patches"
          git checkout "${{ inputs.patches_commit }}"
          cd "$GITHUB_WORKSPACE"
        else
          git clone https://github.com/WildKernels/kernel_patches.git "$GITHUB_WORKSPACE/kernel_patches"
        fi

        # Use specific commit if provided
        if [ -n "${{ inputs.anykernel_commit }}" ]; then
          echo "Cloning AnyKernel3 at commit ${{ inputs.anykernel_commit }}"
          if [ -d "$GITHUB_WORKSPACE/AnyKernel3" ]; then rm -rf "$GITHUB_WORKSPACE/AnyKernel3"; fi
          git clone https://github.com/WildKernels/AnyKernel3.git "$GITHUB_WORKSPACE/AnyKernel3"
          cd "$GITHUB_WORKSPACE/AnyKernel3"
          git checkout "${{ inputs.anykernel_commit }}"
          cd "$GITHUB_WORKSPACE"
        elif [ ! -d "$GITHUB_WORKSPACE/AnyKernel3" ]; then
           # Fallback if not downloaded
           git clone https://github.com/WildKernels/AnyKernel3.git -b gki-2.0 "$GITHUB_WORKSPACE/AnyKernel3"
        fi

        AOSP_MIRROR=https://android.googlesource.com
        BRANCH=main-kernel-2025
        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" >> $GITHUB_ENV
        echo "BOOT_SIGN_KEY_PATH=$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem" >> $GITHUB_ENV

        mkdir -p "$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/share/avb"
        openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out "$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem"
        chmod 600 "$GITHUB_WORKSPACE/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem"
          

    - name: Download Kernel Repository
      uses: ./.github/actions/download-kernel
      with:
        android_version: ${{ steps.parse.outputs.android_version }}
        kernel_version: ${{ steps.parse.outputs.kernel_version }}
        os_patch_level: ${{ steps.parse.outputs.os_patch_level }}

    - name: Extract Sublevel and Set File Name
      id: extract
      run: |
        SUBLEVEL="$SUB_LEVEL"
        if [[ -f "$GITHUB_WORKSPACE/kernel/common/Makefile" ]]; then
          EXTRACTED=$(grep '^SUBLEVEL = ' "$GITHUB_WORKSPACE/kernel/common/Makefile" | awk '{print $3}')
          [[ -n "$EXTRACTED" ]] && SUBLEVEL="$EXTRACTED"
        fi

        VARIANT="${{ matrix.variant }}"
        FILE_NAME="$KERNEL_VERSION.$SUBLEVEL-$ANDROID_VERSION-$OS_PATCH_LEVEL-$VARIANT"
        echo "SUBLEVEL=$SUBLEVEL" >> $GITHUB_ENV
        echo "FILE_NAME=$FILE_NAME" >> $GITHUB_ENV
        
        # Set step outputs for parse-time YAML context access
        echo "file_name=$FILE_NAME" >> $GITHUB_OUTPUT
        echo "sublevel=$SUBLEVEL" >> $GITHUB_OUTPUT

    - name: Apply glibc 2.38 Compatibility Fix
      if: true
      run: |
        # Use SUBLEVEL for LTS builds, otherwise use the input sub_level
        if [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.10" && $SUBLEVEL -le 186 ]] || 
           [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.15" && $SUBLEVEL -le 119 ]] || 
           [[ "$ANDROID_VERSION" == "android14" && "$KERNEL_VERSION" == "5.15" && $SUBLEVEL -le 110 ]] || 
           [[ "$ANDROID_VERSION" == "android14" && "$KERNEL_VERSION" == "6.1" && $SUBLEVEL -le 43 ]]; then
          GLIBC_VERSION=$(ldd --version 2>/dev/null | head -n 1 | awk '{print $NF}') 
          if [ "$(printf '%s\n' "2.38" "$GLIBC_VERSION" | sort -V | head -n1)" = "2.38" ]; then 
            cd "$GITHUB_WORKSPACE/kernel/common"
            sed -i '/\$(Q)\$(MAKE) -C \$(SUBCMD_SRC) OUTPUT=\$(abspath \$(dir \$@))\/ \$(abspath \$@)/s//$(Q)$(MAKE) -C $(SUBCMD_SRC) EXTRA_CFLAGS="$(CFLAGS)" OUTPUT=$(abspath $(dir $@))\/ $(abspath $@)/' tools/bpf/resolve_btfids/Makefile 2>/dev/null || true
            if [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.10" && $SUBLEVEL -le 186 ]] || 
               [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.15" && $SUBLEVEL -le 119 ]] || 
               [[ "$ANDROID_VERSION" == "android14" && "$KERNEL_VERSION" == "5.15" && $SUBLEVEL -le 110 ]]; then
              sed -i '/char \*buf = NULL;/a int i;' tools/lib/subcmd/parse-options.c 2>/dev/null || true
              sed -i 's/for (int i = 0; subcommands\[i\]; i++) {/for (i = 0; subcommands[i]; i++) {/' tools/lib/subcmd/parse-options.c 2>/dev/null || true
              sed -i '/if (subcommands) {/a int i;' tools/lib/subcmd/parse-options.c 2>/dev/null || true
              sed -i 's/for (int i = 0; subcommands\[i\]; i++)/for (i = 0; subcommands[i]; i++)/' tools/lib/subcmd/parse-options.c 2>/dev/null || true
            fi
          fi
        fi 

    - name: Fix Less Than 6.6.50 Builds
      if: ${{ steps.parse.outputs.android_version == 'android15' && steps.parse.outputs.kernel_version == '6.6'}}
      working-directory: ${{ github.workspace }}/kernel/common
      run: |
        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
        fi

    - name: Setup KernelSU-Next
      if: contains(inputs.feature_set, 'KSUN')
      uses: ./.github/actions/kernelsu
      with:
        ksu_commit: ${{ inputs.ksu_commit }}

    - name: Setup SUSFS
      if: contains(inputs.feature_set, 'SUSFS')
      uses: ./.github/actions/susfs
      with:
        android_version: ${{ steps.parse.outputs.android_version }}
        kernel_version: ${{ steps.parse.outputs.kernel_version }}
        os_patch_level: ${{ steps.parse.outputs.os_patch_level }}
        sublevel: ${{ steps.extract.outputs.sublevel }}
        susfs_commit: ${{ inputs.susfs_commit }}

    - name: Setup SUSFS Patches
      if: contains(inputs.feature_set, 'SUSFS')
      uses: ./.github/actions/susfs-patches
      with:
        android_version: ${{ steps.parse.outputs.android_version }}
        kernel_version: ${{ steps.parse.outputs.kernel_version }}
        os_patch_level: ${{ steps.parse.outputs.os_patch_level }}
        sublevel: ${{ steps.extract.outputs.sublevel }}

    - name: Setup Baseband Guard
      if: contains(inputs.feature_set, 'BBG')
      uses: ./.github/actions/bbg

    - name: Apply Module Check Bypass
      if: ${{ matrix.variant == 'Bypass' }}
      run: |
        if [[ "$KERNEL_VERSION" == "6.1" || "$KERNEL_VERSION" == "6.6" || "$KERNEL_VERSION" == "6.12" ]]; then
          TARGET_FILE="$GITHUB_WORKSPACE/kernel/common/kernel/module/version.c"
        else
          TARGET_FILE="$GITHUB_WORKSPACE/kernel/common/kernel/module.c"
        fi
        # Apply bypass patch to the target file
        sed -i '/bad_version:/{:a;n;/return 0;/{s/return 0;/return 1;/;b};ba}' "$TARGET_FILE"

        # Verify the bypass
        if grep -A 5 "bad_version:" "$TARGET_FILE" | grep -q "return 1;"; then
          echo "SUCCESS: Module check bypass verified in $TARGET_FILE"
        else
          echo "FAILED: Module check bypass not found in $TARGET_FILE"
          grep -A 5 "bad_version:" "$TARGET_FILE" || true
          exit 1
        fi

    - name: Apply Device-Specific Patches
      uses: ./.github/actions/apply-device-patches
      with:
        kernel_version: ${{ steps.parse.outputs.kernel_version }}

    - name: Setup netfilter/ipset options
      uses: ./.github/actions/netfilter-ipset
      with:
        kernel_version: ${{ steps.parse.outputs.kernel_version }}

    - name: Setup BBRv3
      uses: ./.github/actions/bbr
      with:
        kernel_version: ${{ steps.parse.outputs.kernel_version }}

    - name: Apply ABI Compare Bypass
      if: false
      working-directory: ${{ github.workspace }}/kernel
      run: |
        # ABI compare bypass per kernel/android version
        # Edit each block as needed per version
        if [[ "$ANDROID_VERSION" == "android12" && "$KERNEL_VERSION" == "5.10" ]]; then
          sed -i 's/^\s*exit 1$/    echo "Who Cares? Bypassing Now!"/' build/abi/compare_to_symbol_list
        elif [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.10" ]]; then
          sed -i 's/^\s*exit 1$/    echo "Who Cares? Bypassing Now!"/' build/kernel/abi/compare_to_symbol_list
        elif [[ "$ANDROID_VERSION" == "android13" && "$KERNEL_VERSION" == "5.15" ]]; then
          sed -i 's/^\s*exit 1$/    echo "Who Cares? Bypassing Now!"/' build/kernel/abi/compare_to_symbol_list
        elif [[ "$ANDROID_VERSION" == "android14" && "$KERNEL_VERSION" == "5.15" ]]; then
          perl -i -pe 's/^(\s*)return 1$/$1print("Who Cares? Bypassing Now!")\n$1return 0/g if /if missing_symbols:/../return 1/' build/kernel/abi/check_buildtime_symbol_protection.py
        elif [[ "$ANDROID_VERSION" == "android14" && "$KERNEL_VERSION" == "6.1" ]]; then
          perl -i -pe 's/^(\s*)return 1$/$1print("Who Cares? Bypassing Now!")\n$1return 0/g if /if missing_symbols:/../return 1/' build/kernel/abi/check_buildtime_symbol_protection.py
        elif [[ "$ANDROID_VERSION" == "android15" && "$KERNEL_VERSION" == "6.6" ]]; then
          perl -i -pe 's/^(\s*)return 1$/$1print("Who Cares? Bypassing Now!")\n$1return 0/g if /if missing_symbols:/../return 1/' build/kernel/abi/check_buildtime_symbol_protection.py
        fi

    - name: Apply Kernel Branding
      uses: ./.github/actions/apply-kernel-branding
      with:
        build_type: ${{ matrix.variant }}
        kernel_version: ${{ steps.parse.outputs.kernel_version }}

    - name: Remove Protected Exports
      working-directory: ${{ github.workspace }}/kernel
      run: |
        set -ex
        if [ ! -f "build/build.sh" ]; then
          # Bazel build system (newer kernels)
          # Remove ABI protected exports to prevent build errors
          rm -rf common/android/abi_gki_protected_exports_*
          perl -pi -e 's/^\s*"protected_exports_list"\s*:\s*"android\/abi_gki_protected_exports_aarch64",\s*$//;' common/BUILD.bazel
          sed -i 's/protected_modules = \[.*\]/protected_modules = []/' common/modules.bzl || true
        fi

    - name: Clean Kernel Flags
      uses: ./.github/actions/clean-kernel-flags

    - name: Build Kernel
      working-directory: ${{ github.workspace }}/kernel
      env:
        SOURCE_DATE_EPOCH: ${{ env.SOURCE_DATE_EPOCH }}
        KBUILD_BUILD_TIMESTAMP: ${{ env.KBUILD_BUILD_TIMESTAMP }}
      run: |
        set -ex
        if [ -f "build/build.sh" ]; then
          #SKIP_MRPROPER=1
          GKI_DEFCONFIG_FRAGMENT="$GITHUB_WORKSPACE/wild_gki.fragment" BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh || exit 1
        else
          # Copy fragment to kernel tree for bazel
          cp "$GITHUB_WORKSPACE/wild_gki.fragment" common/arch/arm64/configs/wild_gki.fragment
          tools/bazel build --config=release --stamp --defconfig_fragment=//common:arch/arm64/configs/wild_gki.fragment //common:kernel_aarch64_dist || exit 1
          fi
        fi

    - name: Create Bootimgs Folder and Build Boot Images
      working-directory: ${{ github.workspace }}
      run: |
        set -e

        mkdir -p bootimgs
        mkdir -p boot-artifacts

        echo "Creating bootimgs folder and copying images..."
        if [ -f "$GITHUB_WORKSPACE/kernel/out/$ANDROID_VERSION-$KERNEL_VERSION/dist/Image" ]; then
          cp "$GITHUB_WORKSPACE/kernel/out/$ANDROID_VERSION-$KERNEL_VERSION/dist/Image" "$GITHUB_WORKSPACE/bootimgs/Image"
          cp "$GITHUB_WORKSPACE/kernel/out/$ANDROID_VERSION-$KERNEL_VERSION/dist/Image.lz4" "$GITHUB_WORKSPACE/bootimgs/Image.lz4"
        else
          cp "$GITHUB_WORKSPACE/kernel/bazel-bin/common/kernel_aarch64/Image" "$GITHUB_WORKSPACE/bootimgs/Image"
          cp "$GITHUB_WORKSPACE/kernel/bazel-bin/common/kernel_aarch64/Image.lz4" "$GITHUB_WORKSPACE/bootimgs/Image.lz4"
        fi
        gzip -n -k -f -9 "$GITHUB_WORKSPACE/bootimgs/Image" > "$GITHUB_WORKSPACE/bootimgs/Image.gz"

        cd "$GITHUB_WORKSPACE/bootimgs"

        case "$ANDROID_VERSION" in
          android12)
            echo "Android 12: downloading certified boot image to extract ramdisk..."
            GKI_URL="https://dl.google.com/android/gki/gki-certified-boot-android12-5.10-${OS_PATCH_LEVEL}_r1.zip"
            FALLBACK_URL="https://dl.google.com/android/gki/gki-certified-boot-android12-5.10-2023-01_r1.zip"

            echo "Checking if GKI kernel URL is reachable: $GKI_URL"
            status="$(curl -sL -w "%{http_code}" "$GKI_URL" -o /dev/null || true)"

            if [ "$status" = "200" ]; then
              echo "Downloading from GKI_URL"
              curl -L -o gki-kernel.zip "$GKI_URL"
            else
              echo "$GKI_URL not found (HTTP $status), using $FALLBACK_URL"
              curl -L -o gki-kernel.zip "$FALLBACK_URL"
            fi

            echo "Unzipping the downloaded kernel..."
            unzip -q gki-kernel.zip
            rm -f gki-kernel.zip

            echo "Unpacking boot image to extract ramdisk..."
            if [ -f "./boot-5.10.img" ]; then
              BOOT_IMG="./boot-5.10.img"
            else
              BOOT_IMG="$(ls -1 ./boot-*.img 2>/dev/null | head -n 1 || true)"
            fi

            if [ -z "${BOOT_IMG:-}" ]; then
              echo "Error: could not find extracted boot-*.img in $PWD"
              ls -la
              exit 1
            fi

            "$UNPACK_BOOTIMG" --boot_img="$PWD/$BOOT_IMG"
            ;;
        esac

        for kernel_image in Image Image.gz Image.lz4; do
          case "$kernel_image" in
            Image) output_image="boot.img" ;;
            Image.gz) output_image="boot-gz.img" ;;
            Image.lz4) output_image="boot-lz4.img" ;;
          esac

          echo "Building $output_image"
          if [ "$ANDROID_VERSION" = "android12" ]; then
            "$MKBOOTIMG" --header_version 4 --kernel "$kernel_image" --output "$output_image" --ramdisk out/ramdisk --os_version 12.0.0 --os_patch_level "$OS_PATCH_LEVEL"
          else
            "$MKBOOTIMG" --header_version 4 --kernel "$kernel_image" --output "$output_image"
          fi

          "$AVBTOOL" add_hash_footer --partition_name boot --partition_size $((64 * 1024 * 1024)) --image "$output_image" --algorithm SHA256_RSA2048 --key "$BOOT_SIGN_KEY_PATH"
          cp "$output_image" "$GITHUB_WORKSPACE/boot-artifacts/${FILE_NAME}-${output_image}"
        done

    - name: Upload Boot Images
      uses: actions/upload-artifact@v4
      with:
        name: ${{ steps.extract.outputs.file_name }}-BootImages
        path: ${{ github.workspace }}/boot-artifacts/*.img
        if-no-files-found: error
        compression-level: 0

    - name: Prepare AnyKernel3 Zip
      run: |
        # Copy Image from normal build locations
        if [ -f "$GITHUB_WORKSPACE/kernel/out/$ANDROID_VERSION-$KERNEL_VERSION/dist/Image" ]; then
          cp "$GITHUB_WORKSPACE/kernel/out/$ANDROID_VERSION-$KERNEL_VERSION/dist/Image" "$GITHUB_WORKSPACE/AnyKernel3/Image"
        elif [ -f "$GITHUB_WORKSPACE/kernel/bazel-bin/common/kernel_aarch64/Image" ]; then
          cp "$GITHUB_WORKSPACE/kernel/bazel-bin/common/kernel_aarch64/Image" "$GITHUB_WORKSPACE/AnyKernel3/Image"
        else
          echo "Error: Image file not found in any expected location"
          exit 1
        fi

    - name: Scan and collect patch rejects
      id: scan
      if: ${{ always() }}
      run: |
        set -e
        CONFIG_DIR="$GITHUB_WORKSPACE/kernel"
        REJECTS_DIR="$GITHUB_WORKSPACE/patch-rejects"
        mkdir -p "$REJECTS_DIR"
        # Find all .rej files under the configuration directory
        mapfile -t REJS < <(find "$CONFIG_DIR" -type f -name '*.rej')
        REJ_COUNT=${#REJS[@]}
        echo "Found $REJ_COUNT .rej files under $CONFIG_DIR"
        echo "REJ_COUNT=$REJ_COUNT" >> $GITHUB_ENV
        echo "rej_count=$REJ_COUNT" >> $GITHUB_OUTPUT
        if [ "$REJ_COUNT" -gt 0 ]; then
          for REJ in "${REJS[@]}"; do
            # Relative path from $CONFIG
            REL="${REJ#"$CONFIG_DIR"/}"
            DEST="$REJECTS_DIR/$REL"
            mkdir -p "$(dirname "$DEST")"
            cp "$REJ" "$DEST"
            # Copy the associated original file alongside the .rej
            ORIG="${REJ%.rej}"
            if [ -f "$ORIG" ]; then
              ORIG_DEST="$REJECTS_DIR/${REL%.rej}"
              mkdir -p "$(dirname "$ORIG_DEST")"
              cp "$ORIG" "$ORIG_DEST"
            fi
            echo "$REL" >> "$REJECTS_DIR/index.txt"
          done
        fi

    - name: Upload Artifacts
      uses: actions/upload-artifact@v4
      with:
        name: ${{ steps.extract.outputs.file_name }}-AnyKernel3
        path: ${{ github.workspace }}/AnyKernel3/**
        if-no-files-found: ignore
        compression-level: 9

    - name: Upload Rejects
      if: ${{ always() }}
      uses: actions/upload-artifact@v4
      with:
        name: ${{ steps.extract.outputs.file_name }}-Rejects
        path: patch-rejects/
        if-no-files-found: ignore
        compression-level: 9

    - name: Build Summary
      if: ${{ always() }}
      run: |
        # Kernel info
        echo "Android Version     : $ANDROID_VERSION"
        echo "Kernel Version      : $KERNEL_VERSION"
        echo "Sub Level           : $SUB_LEVEL"
        echo "Sub level (Makefile): $SUBLEVEL"
        echo "Patch Level         : $OS_PATCH_LEVEL"
        # Branch info
        echo "Repo Branch         : common-$KERNEL_VERSION-$ANDROID_VERSION-$OS_PATCH_LEVEL || 'normal'"
        echo "Deprecated          : $DEPRECATED_BRANCH"
        # Build info
        echo "Build Type          : ${{ matrix.variant }}"
        # Features info
        echo "Features            : ${{ inputs.feature_set || 'None' }}"
        echo "KSUN Commit         : ${{ inputs.ksu_commit || 'canary' }}"
        echo "KSUN Tag            : $KSU_GIT_TAG"
        echo "KSUN Version        : $KSU_VERSION"
        echo "BBG Commit          : $BBG_COMMIT"
        echo "BBG Version         : $BBG_VERSION"
        # Variant info
        echo "Variant             : ${{ matrix.variant }}"
        echo "Features            : ${{ inputs.feature_set || 'None' }}"
# End of workflow