name: Build

on: [pull_request]

jobs:
  commontasks:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v2
      - name: Avoid 0x0BDA
        #Find devices that not use 0x0BDA instead of const USB_VENDOR_ID_REALTEK
        run: grep -c -i "0x0BDA" os_dep/linux/usb_intf.c | grep -w 1
      - name: Find duplicates
        #Find devices that not use 0x0BDA instead of const USB_VENDOR_ID_REALTEK
        run: grep -i "{USB_DEVICE(" os_dep/linux/usb_intf.c | cut -d ')' -f1 | sort | uniq -cd | wc -c | grep -w 0
      - name: Get kernel matrix
        id: set-matrix
        run: |
          JSON=$(curl -s https://www.kernel.org/releases.json)
          VERSIONSARRAY=$(echo $JSON | jq -c '[.releases[] | {version: .version, moniker: .moniker} | select(.moniker != "linux-next") | .version]')
          echo ::set-output name=matrix::${VERSIONSARRAY}
  build:
    needs: commontasks
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        kernel_version: ${{fromJson(needs.commontasks.outputs.matrix)}}
        gcc_version: [9, 10, 12]
        # kernel_version: [6.1-rc1]
    steps:
      - name: Check Versions
        id: check_version
        shell: bash {0}
        run: |
          echo ::set-output name=skip_build::False
          dpkg --compare-versions "${{matrix.kernel_version}}" "ge" "5.15"
          if [ $? -eq "0" ] && [ ${{matrix.gcc_version}} -lt 12 ];
          then
            echo "GCC version not compatible"
            echo ::set-output name=skip_build::True
          fi
      - name: Download kernel packages
        if: steps.check_version.outputs.skip_build == 'False'
        run: |
          KERNEL_URL=https://kernel.ubuntu.com/~kernel-ppa/mainline/
          KERNEL_URL_DETAILS=$(wget --quiet -O - ${KERNEL_URL}v${{matrix.kernel_version}}/ | grep -A8 "Build for amd64\|Test amd64")
          ALL_DEB=$(echo "$KERNEL_URL_DETAILS" |  grep -m1 'all.deb' | cut -d '"' -f 2)
          AMD64_DEB=$(echo "$KERNEL_URL_DETAILS" | grep -m1 "amd64.deb" | cut -d '"' -f 2)
          [  -z "$ALL_DEB" ] && exit 1
          [  -z "$AMD64_DEB" ] && exit 2
          wget -nv ${KERNEL_URL}v${{matrix.kernel_version}}/$AMD64_DEB
          wget -nv ${KERNEL_URL}v${{matrix.kernel_version}}/$ALL_DEB
          wget -nv http://mirrors.kernel.org/ubuntu/pool/main/g/glibc/libc6_2.38-1ubuntu6_amd64.deb
          echo "KVER=$(echo $ALL_DEB | cut -d '_' -f 2 | rev | cut -c14- | rev)-generic" >> $GITHUB_ENV
      - name: Set up GCC
        if: steps.check_version.outputs.skip_build == 'False'
        uses: egor-tensin/setup-gcc@v1
        with:
          version: ${{matrix.gcc_version }}
      - name: install deb packages
        if: steps.check_version.outputs.skip_build == 'False'
        run: sudo dpkg --force-all -i *.deb
      - uses: actions/checkout@v2
        if: steps.check_version.outputs.skip_build == 'False'
      - name: build kernel ${{ matrix.kernel_version }} - GCC ${{ matrix.gcc_version }}
        if: steps.check_version.outputs.skip_build == 'False'
        run: make KVER=$KVER CC=cc