ubuntu.yml

name: Ubuntu

on:
  pull_request:
    types: [synchronize, opened]
  push:
    branches:
      - main

env:
  DEBIAN_FRONTEND: noninteractive
  OPENCV_VERSION: 4.13.0

jobs:
  build_test:
    strategy:
      fail-fast: false
      matrix:
        include:
          - ubuntu: "22.04"
            gtk_package: libgtk2.0-dev
          - ubuntu: "24.04"
            gtk_package: libgtk-3-dev

    runs-on: ubuntu-${{ matrix.ubuntu }}
    
    steps:
      - uses: actions/checkout@v6
        with:
          submodules: true
          
      - name: Install dependencies
        run: |
          sudo apt-get update -y 
          sudo apt-get install -y  --no-install-recommends \
            apt-transport-https \
            software-properties-common \
            ca-certificates \
            g++ \
            make \
            cmake \
            libtbb-dev \
            libatlas-base-dev \
            ${{ matrix.gtk_package }} \
            libavcodec-dev \
            libavformat-dev \
            libswscale-dev \
            libdc1394-dev \
            libxine2-dev \
            libv4l-dev \
            libtheora-dev \
            libvorbis-dev \
            libxvidcore-dev \
            libopencore-amrnb-dev \
            libopencore-amrwb-dev \
            libx264-dev \
            libtesseract-dev 

      - name: Restore OpenCV cache
        id: opencv-cache
        uses: actions/cache/restore@v5
        with:
          path: |
            ${{ github.workspace }}/opencv_artifacts/include
            ${{ github.workspace }}/opencv_artifacts/lib
          key: opencv-${{ env.OPENCV_VERSION }}-ubuntu-${{ matrix.ubuntu }}

      - name: Build OpenCV
        if: steps.opencv-cache.outputs.cache-hit != 'true'
        run: |
          cmake \
            -C cmake/opencv_build_options.cmake \
            -S opencv \
            -B opencv/build \
            -D OPENCV_EXTRA_MODULES_PATH=${GITHUB_WORKSPACE}/opencv_contrib/modules \
            -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/opencv_artifacts
          cmake --build opencv/build -j 3
          cmake --install opencv/build
          sudo ldconfig
          ls

      - name: Save OpenCV cache
        if: steps.opencv-cache.outputs.cache-hit != 'true' && github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: actions/cache/save@v5
        with:
          path: |
            ${{ github.workspace }}/opencv_artifacts/include
            ${{ github.workspace }}/opencv_artifacts/lib
          key: opencv-${{ env.OPENCV_VERSION }}-ubuntu-${{ matrix.ubuntu }}
      
      - name: Build OpenCvSharpExtern
        run: |
          cmake \
            -S src \
            -B src/build \
            -D CMAKE_BUILD_TYPE=Release \
            -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/opencv_artifacts
          cmake --build src/build -j
          ls src/build/OpenCvSharpExtern
          cp src/build/OpenCvSharpExtern/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/nuget/

      - name: Check OpenCvSharpExtern
        run: |
          cd ${GITHUB_WORKSPACE}/nuget/
          ldd libOpenCvSharpExtern.so
          nm libOpenCvSharpExtern.so
          echo -ne "#include <stdio.h> \n int core_Mat_sizeof(); int main(){ int i = core_Mat_sizeof(); printf(\"sizeof(Mat) = %d\", i); return 0; }" > test.c
          gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern
          LD_LIBRARY_PATH=. ./test

      - name: Install .NET
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '8.0.x'
        
      - name: Test
        run: |
          cd ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests
          dotnet build -c Release -f net8.0
          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/net8.0/
          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/
          sudo cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so /usr/lib/
          LD_LIBRARY_PATH=. dotnet test OpenCvSharp.Tests.csproj -c Release -f net8.0 --runtime linux-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null

      - name: Create NuGet package
        env:
          BETA: "-beta"
        run: |
          yyyymmdd=`date '+%Y%m%d'`
          echo $yyyymmdd
          version="${OPENCV_VERSION}.${yyyymmdd}${BETA}"
          echo "Package version: $version"

          cd ${GITHUB_WORKSPACE}
          package_project="OpenCvSharp4.official.runtime.ubuntu.${{ matrix.ubuntu }}-x64.csproj"
          dotnet pack "nuget/${package_project}" -o ${GITHUB_WORKSPACE}/artifacts -p:Version=$version

          ls ${GITHUB_WORKSPACE}/artifacts

      - name: Create linux-x64 NuGet package
        if: matrix.ubuntu == '22.04'
        env:
          BETA: "-beta"
        run: |
          yyyymmdd=`date '+%Y%m%d'`
          version="${OPENCV_VERSION}.${yyyymmdd}${BETA}"
          echo "Package version: $version"

          cd ${GITHUB_WORKSPACE}
          dotnet pack "nuget/OpenCvSharp4.official.runtime.linux-x64.csproj" -o ${GITHUB_WORKSPACE}/artifacts -p:Version=$version

          ls ${GITHUB_WORKSPACE}/artifacts

      - uses: actions/upload-artifact@v6
        with:
          name: artifacts_ubuntu_${{ matrix.ubuntu }}
          path: artifacts