name: CI

on: [ push, pull_request, workflow_dispatch ]

jobs:
  CI:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: "Linux x64 (Ubuntu 20.04) - GCC 9"
            os: ubuntu-20.04
            build: { cc: gcc, cxx: g++, linker: ld }
            shell: bash

          - name: "Linux x64 (Ubuntu 20.04) - Clang 13 with ASan and UBSan"
            os: ubuntu-20.04
            build: { cc: clang-13, cxx: clang++-13, linker: ld.lld-13, sanitize: true }
            shell: bash

          - name: "macOS (11.6) - Xcode 13.2.1"
            os: macos-11
            build: { cc: clang, cxx: clang++, linker: ld.lld }
            shell: bash

          # TODO: Re-enable self-hosted M1 runner provided by MacStadium
          #- name: "macOS (10.15) - Xcode 12.4 - M1"
          #  os: macos-m1
          #  build: { cc: clang, cxx: clang++, linker: ld.lld }
          #  shell: "/usr/bin/arch -arch arm64e /bin/bash -l {0}"

    defaults:
      run:
        shell: ${{ matrix.shell }}

    env:
      CC: ${{ matrix.build.cc }}
      CXX: ${{ matrix.build.cxx }}
      LD: ${{ matrix.build.linker }}
      CPPFLAGS: -Wall
      DEBIAN_FRONTEND: noninteractive
      HOMEBREW_NO_AUTO_UPDATE: 1

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Update apt
        if: runner.os == 'Linux'
        run: sudo -E apt-get update -qq -o Acquire::Retries=3

      - name: Add Ubuntu PPAs
        if: runner.os == 'Linux'
        run: |
          sudo add-apt-repository ppa:strukturag/libde265
          sudo add-apt-repository ppa:strukturag/libheif
          sudo add-apt-repository ppa:lovell/cgif

      - name: Install Ubuntu dependencies
        if: runner.os == 'Linux'
        run:
          sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3
            ninja-build 
            python3-pip python3-setuptools python3-wheel
            libfftw3-dev libexif-dev libjpeg-turbo8-dev
            libpng-dev libwebp-dev libtiff5-dev
            libheif-dev libexpat1-dev libcfitsio-dev
            libmatio-dev libnifti-dev liborc-0.4-dev
            liblcms2-dev libpoppler-glib-dev librsvg2-dev
            libopenexr-dev libpango1.0-dev libgsf-1-dev
            libopenslide-dev libffi-dev libopenjp2-7-dev
            libimagequant-dev libcgif-dev

      - name: Install recent meson 
        if: runner.os == 'Linux'
        run:
          sudo pip3 install meson

      - name: Install macOS dependencies
        if: runner.os == 'macOS'
        run: |
          brew install meson ninja fftw fontconfig glib libexif libgsf little-cms2 orc pango
          brew install cfitsio libheif libimagequant libjpeg-turbo libmatio librsvg libspng libtiff openexr openjpeg openslide poppler webp cgif

      - name: Install Clang 13
        if: runner.os == 'Linux' && matrix.build.cc == 'clang-13'
        run: |
          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          sudo add-apt-repository -y "deb http://apt.llvm.org/$(lsb_release -sc)/ llvm-toolchain-$(lsb_release -sc)-13 main"
          sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3 \
            clang-13 libomp-13-dev lld-13 llvm-13

      - name: Prepare Ubuntu environment
        if: runner.os == 'Linux'
        run: echo "JOBS=$(nproc)" >> $GITHUB_ENV

      - name: Prepare macOS environment
        if: runner.os == 'macOS'
        run: |
          echo "JOBS=$(sysctl -n hw.logicalcpu)" >> $GITHUB_ENV
          echo "PKG_CONFIG_PATH=$(brew --prefix jpeg-turbo)/lib/pkgconfig:$(brew --prefix libxml2)/lib/pkgconfig:$PKG_CONFIG_PATH" >> $GITHUB_ENV

      - name: Prepare sanitizers
        if: matrix.build.sanitize
        env:
          LLVM_PREFIX: /usr/lib/llvm-13
        run: |
          ASAN_DSO=`$CC -print-file-name=libclang_rt.asan-x86_64.so`
          echo "LDSHARED=$CC -shared" >> $GITHUB_ENV
          echo "CPPFLAGS=-g -fsanitize=address,undefined -fno-omit-frame-pointer -fopenmp -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION" >> $GITHUB_ENV
          echo "LDFLAGS=-g -fsanitize=address,undefined -shared-libasan -fopenmp=libomp" >> $GITHUB_ENV
          echo "ASAN_DSO=$ASAN_DSO" >> $GITHUB_ENV
          # Glib is built without -fno-omit-frame-pointer. We need
          # to disable the fast unwinder to get full stacktraces.
          echo "ASAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/asan.supp:fast_unwind_on_malloc=0:allocator_may_return_null=1" >> $GITHUB_ENV
          echo "LSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/lsan.supp:fast_unwind_on_malloc=0" >> $GITHUB_ENV
          echo "TSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/tsan.supp" >> $GITHUB_ENV
          # Ensure UBSan issues causes the program to abort.
          echo "UBSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/ubsan.supp:halt_on_error=1:abort_on_error=1:print_stacktrace=1" >> $GITHUB_ENV
          echo "LD_LIBRARY_PATH=$LLVM_PREFIX/lib:`dirname $ASAN_DSO`" >> $GITHUB_ENV
          echo "$LLVM_PREFIX/bin" >> $GITHUB_PATH
          # Workaround for https://github.com/google/sanitizers/issues/89
          # otherwise libIlmImf-2_3.so ends up as <unknown module>.
          echo "DLCLOSE_PRELOAD=${{ github.workspace }}/dlclose.so" >> $GITHUB_ENV
          echo -e '#include <stdio.h>\nint dlclose(void*handle){return 0;}' | $CC -shared -xc -odlclose.so -

      - name: Configure libvips
        run:
          meson setup build
            -Ddebug=true
            -Ddeprecated=false
            -Dintrospection=false
          || (cat build/meson-logs/meson-log.txt && exit 1)

      - name: Build libvips
        run: ninja -C build

      - name: Check libvips
        run: ninja -C build test

      - name: Install libvips
        run: sudo ninja -C build install

      - name: Rebuild the shared library cache
        if: runner.os == 'Linux'
        run: sudo ldconfig

      - name: Install pyvips
        run: pip3 install pyvips[test]

      - name: Run test suite
        env:
          VIPS_LEAK: 1
          LD_PRELOAD: ${{ env.ASAN_DSO }} ${{ env.DLCLOSE_PRELOAD }}
        run: python3 -m pytest -sv --log-cli-level=WARNING test/test-suite