name: Build Kernel 5.15
on:
  push:
    branches: [ "main" ]
    paths: 
      - '.github/workflows/build-kernel-5.15.yml'
      - 'kernel/**'
  pull_request:
    branches: [ "main" ]
    paths: 
      - 'kernel/**'
jobs:
  build:
    strategy:
      matrix:
        include:
          - version: "android13-5.15-41"
            tag: "android13-5.15-2022-11"
            os_version: 13.0.0
            os_version_level: "2022-11"
          - version: "android13-5.15-74"
            tag: "android13-5.15-2022-12"
            os_version: 13.0.0
            os_version_level: "2022-12"

    name: Build aarch64-${{ matrix.version }}
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        path: KernelSU
    - name: Download Kernel Source
      run: |
        cd $GITHUB_WORKSPACE
        git clone https://gerrit.googlesource.com/git-repo
        mkdir android-kernel && cd android-kernel
        ../git-repo/repo init --depth=1 --u https://android.googlesource.com/kernel/manifest -b common-${{ matrix.tag }}
        ../git-repo/repo sync -j$(nproc --all)
        echo "[+] KernelSU setup"
        GKI_ROOT=$(pwd)
        echo "[+] GKI_ROOT: $GKI_ROOT"
        echo "[+] Copy kernel su driver to $GKI_ROOT/common/drivers"
        ln -sf $GITHUB_WORKSPACE/KernelSU/kernel $GKI_ROOT/common/drivers/kernelsu
        echo "[+] Add kernel su driver to Makefile"
        DRIVER_MAKEFILE=$GKI_ROOT/common/drivers/Makefile
        grep -q "kernelsu" $DRIVER_MAKEFILE || echo "obj-y += kernelsu/" >> $DRIVER_MAKEFILE
        echo "[+] KernelSU setup Done."

    - name: Build boot.img
      working-directory: android-kernel
      run: BUILD_BOOT_IMG=1 SKIP_VENDOR_BOOT=1 KERNEL_BINARY=Image AVB_SIGN_BOOT_IMG=1 AVB_BOOT_PARTITION_SIZE=$((64*1024*1024)) AVB_BOOT_ALGORITHM=SHA256_RSA2048 AVB_BOOT_KEY=prebuilts/kernel-build-tools/linux-x86/share/avb/testkey_rsa2048.pem BOOT_IMAGE_HEADER_VERSION=4 LTO=thin BUILD_CONFIG=common/build.config.gki.aarch64 build/build.sh

    - name: Upload boot.img
      uses: actions/upload-artifact@v3
      with:
        name: kernel-aarch64-${{ matrix.version }}-boot.img
        path: android-kernel/out/*/dist/boot.img
    
    - name: Upload to telegram
      env:
        CHAT_ID: ${{ secrets.CHAT_ID }}
        CACHE_CHAT_ID: ${{ secrets.CACHE_CHAT_ID }}
        BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
        MESSAGE_THREAD_ID: ${{ secrets.MESSAGE_THREAD_ID }}
        COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
        COMMIT_URL: ${{ github.event.head_commit.url }}
        RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
        TITLE: kernel-aarch64-${{ matrix.version }}
      run: |
        if [ ! -z "${{ secrets.BOT_TOKEN }}" ]; then
          OUTDIR=android-kernel/out/android13-5.15/dist
          BOOT=${{ matrix.version }}-boot.img.zip
          zip $BOOT -j -r $OUTDIR/boot.img 
          pip3 install python-telegram-bot
          python3 $GITHUB_WORKSPACE/KernelSU/scripts/ksubot.py $BOOT
        fi