ci.yaml

name: CI
on:
  - push
  - pull_request
jobs:
  linux:
    runs-on: ubuntu-24.04
    name: Test Compiled - Elixir ${{matrix.elixir}} / OTP ${{matrix.otp}}
    env:
      VIX_COMPILATION_MODE: PLATFORM_PROVIDED_LIBVIPS
    strategy:
      matrix:
        include:
          - elixir: 1.12.x
            otp: 23.x
          - elixir: 1.13.x
            otp: 24.x
          - elixir: 1.14.x
            otp: 25.x
          - elixir: 1.15.x
            otp: 26.x
          - elixir: 1.16.x
            otp: 26.x
          - elixir: 1.17.x
            otp: 27.x
    steps:
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}

      - uses: actions/checkout@v4

      - name: Install libvips build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install \
            meson pkg-config \
            libarchive-dev libcfitsio-dev libcgif-dev \
            libexif-dev libexpat1-dev libffi-dev \
            libfftw3-dev libheif-dev libheif-plugin-aomenc \
            libheif-plugin-x265 libhwy-dev libimagequant-dev \
            libjpeg-dev libjxl-dev liblcms2-dev \
            libmatio-dev libnifti-dev libopenexr-dev \
            libopenjp2-7-dev libopenslide-dev libpango1.0-dev \
            libpng-dev libpoppler-glib-dev librsvg2-dev \
            libtiff5-dev libwebp-dev

      - name: Get latest version of libvips
        run: |
          VIPS_LATEST_RELEASE=$(curl -L -s https://api.github.com/repos/libvips/libvips/releases/latest | grep -o -E "https://(.*)/vips-(.*).tar.xz" | head -1)
          echo "VIPS_LATEST_RELEASE=${VIPS_LATEST_RELEASE}" >> $GITHUB_ENV

      - name: Cache libvips artifacts
        uses: actions/cache@v4
        id: vips-cache
        with:
          path: vips
          key: ${{ runner.os }}-vips-${{ env.VIPS_LATEST_RELEASE }}

      - name: Compile libvips from source
        if: steps.vips-cache.outputs.cache-hit != 'true'
        run: |
          mkdir vips
          curl -s -L "${VIPS_LATEST_RELEASE}" | tar xJ -C ./vips --strip-components=1
          cd vips
          meson setup build -Ddeprecated=false -Dmagick=disabled \
            || (cat build/meson-logs/meson-log.txt && exit 1)
          meson compile -C build

      - name: Install libvips
        run: |
          cd vips
          sudo meson install -C build
          sudo ldconfig -v

      - name: Cache Dependencies
        id: mix-cache
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('mix.lock') }}

      - name: Install Dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: mix deps.get
      - run: mix test --trace

  linux-precompiled-libvips:
    runs-on: ubuntu-24.04
    name: Test Pre-compiled libvips - Elixir ${{matrix.elixir}} / OTP ${{matrix.otp}}
    env:
      VIX_COMPILATION_MODE: PRECOMPILED_LIBVIPS
    strategy:
      matrix:
        include:
          - elixir: 1.17.x
            otp: 27.x
    steps:
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}
      - uses: actions/checkout@v3
      - run: mix deps.get
      - run: mix test --trace

  linux-precompiled:
    runs-on: ubuntu-24.04
    name: Test Pre-compiled - Elixir ${{matrix.elixir}} / OTP ${{matrix.otp}}
    strategy:
      matrix:
        include:
          - elixir: 1.17.x
            otp: 27.x
    steps:
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}
      - uses: actions/checkout@v3
      - run: mix deps.get
      - run: mix test --trace

  macos-precompiled:
    runs-on: macos-14
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@main
      - uses: DeterminateSystems/magic-nix-cache-action@main
      - uses: DeterminateSystems/flake-checker-action@main
      - run: nix develop --command mix deps.get
      - run: nix develop --command mix test --trace

  lint:
    runs-on: ubuntu-24.04
    name: Lint
    strategy:
      matrix:
        include:
          - elixir: 1.17.x
            otp: 27.x
    steps:
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}

      - uses: actions/checkout@v4

      - name: Cache Dependencies
        id: mix-cache
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
            priv/plts
          key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('mix.lock') }}

      - name: Install Dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p priv/plts
          mix deps.get
          mix dialyzer --plt

      - run: mix deps.get
      - run: mix clean && mix deep_clean
      - run: mix compile --force --warnings-as-errors
      - run: mix deps.unlock --check-unused
      - run: mix format --check-formatted
      - run: mix credo --strict
      - run: mix dialyzer --format github