build.yml

name: Build

on: [push]

env:
  BUILD_TYPE: Release

defaults:
  run:
    shell: bash

jobs:
  build:
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        include:
        - os: ubuntu-20.04
          package_manager: "apt"

        - os: macos-11.0
          package_manager: "brew"

        - os: windows-2019
          package_manager: "vcpkg"

    steps:
    - name: Checkout Pangolin
      uses: actions/checkout@v2
      with:
        submodules: true

    - name: "(vcpkg only) Setup cache key"
      if: ${{ matrix.package_manager == 'vcpkg' }}
      run: |
        export PACKAGES=$($GITHUB_WORKSPACE/scripts/install_prerequisites.sh -l -m ${{matrix.package_manager}} all)
        echo "PACKAGES=$PACKAGES" >> $GITHUB_ENV

    - name: "(vcpkg only) Restore any cached ports"
      uses: lukka/run-vcpkg@v6
      if: ${{ matrix.package_manager == 'vcpkg' }}
      with:
        setupOnly: true
        vcpkgDirectory: '${{github.workspace}}/scripts/vcpkg'
        appendedCacheKey: '${{env.PACKAGES}}'
        vcpkgTriplet: x64-windows

    - name: "(vcpkg only) Setup CMake Toolchain file"
      if: ${{ matrix.package_manager == 'vcpkg' }}
      run: |
        export TOOLCHAIN_FILE="${{github.workspace}}/scripts/vcpkg/scripts/buildsystems/vcpkg.cmake"
        echo "${{github.workspace}}/scripts/vcpkg" >> $GITHUB_PATH
        echo "TOOLCHAIN_FILE=$TOOLCHAIN_FILE" >> $GITHUB_ENV

    - name: Install Dependencies
      run: |
        echo "vcpkg location: $(which vcpkg)"
        echo "CMake toolchain file: $TOOLCHAIN_FILE"
        $GITHUB_WORKSPACE/scripts/install_prerequisites.sh -v -u -m ${{matrix.package_manager}} all

    - name: Configure CMake
      run: |
        cmake -B build -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN_FILE" -DBUILD_TESTS=ON

    - name: Build
      run: cmake --build build --config $BUILD_TYPE

    - name: Run all tests
      working-directory: ${{runner.workspace}}/Pangolin/build
      run: ctest

  emscripten:
    runs-on: ubuntu-20.04

    steps:
    - name: Checkout Pangolin
      uses: actions/checkout@v2
      with:
        path: pangolin

    - name: Checkout Eigen
      uses: actions/checkout@v2
      with:
        path: eigen
        repository: 'libigl/eigen'

    - name: Create Build Directories
      run: |
        cmake -E make_directory ${{runner.workspace}}/eigen-build
        cmake -E make_directory ${{runner.workspace}}/pangolin-build

    - name: Start Emscripten Docker
      run: docker run -dit --name emscripten -v ${{runner.workspace}}:/src emscripten/emsdk:latest bash

    - name: Configure Eigen
      run: docker exec -t -w /src/eigen-build emscripten cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE /src/Pangolin/eigen

    - name: Configure Pangolin
      run: docker exec -t -w /src/pangolin-build emscripten emcmake cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DEigen3_DIR=/src/eigen-build /src/Pangolin/pangolin

    - name: Build Pangolin
      run: docker exec -t -w /src/pangolin-build emscripten cmake --build .

    - name: Copy Examples to www folder
      run: |
        mkdir -p ${{runner.workspace}}/www/emscripten
        rsync -zarvm --include="*/" --include="*.html" --include="*.js" --include="*.wasm" --exclude="*" ${{runner.workspace}}/pangolin-build/examples ${{runner.workspace}}/www/emscripten

    - name: Copy README to www folder
      run: |
        cp "${{github.workspace}}/pangolin/README.md" "${{runner.workspace}}/www/index.md"

    - name: Deploy Examples to GitHub Pages (for pushes to master)
      if: success() && (github.ref == 'refs/heads/master')
      uses: crazy-max/ghaction-github-pages@v2.2.0
      with:
        target_branch: gh-pages
        keep_history: true
        # build_dir path relative to ${{runner.workspace}}/Pangolin
        build_dir: ../www
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}