build-test.yml

name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main, release* ]

env:
  RUSTFLAGS: "-C debug-assertions"

jobs:
  changes:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      source-code: ${{ steps.filter.outputs.source-code }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4
      - name: Check for source-code changes
        uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            source-code:
              - '!**/*.md'

  preflight-check:
    needs: changes
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    timeout-minutes: 10
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Check format of all commit messages
        run: ./internal/scripts/ci_test_commit_msg.sh

      - name: Check license header
        run: ./internal/scripts/ci_test_spdx_license_header.sh

  static-code-analysis-rust:
    needs: preflight-check
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macOS-latest]
    timeout-minutes: 10
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: rustfmt, clippy

      - name: Run cargo fmt
        run: cargo fmt --all -- --check

      - name: Run cargo clippy
        run: cargo clippy -- -D warnings

      - name: Run code examples in documentation
        run: cargo test --workspace --doc

      - name: Build documentation
        run: cargo doc

  static-code-analysis-cpp:
    needs: preflight-check
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    timeout-minutes: 10
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: clang-format and clang-tidy versions
        run: |
            clang-format --version
            clang-tidy --version

      - name: Run clang-format
        run: git ls-files | grep -E "\.(c|cc|cpp|cxx|inl|h|hh|hpp|hxx)$" | xargs clang-format -i -style=file --Werror --dry-run

      - name: Run clang-tidy
        run: internal/scripts/clang_tidy_scan.sh warning-as-error --files "${{ steps.changed_files.outputs.added_modified }}"

  # just to have a sync point for the C++ and Rust static code analysis
  static-code-analysis:
    needs: [static-code-analysis-cpp, static-code-analysis-rust]
    runs-on: ubuntu-latest
    steps:
      - name: Static code analysis sync point
        run: echo "Nothing to see, move along!"

  cargo-nextest:
    needs: preflight-check
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v4
    - name: Build and cache cargo-nextest
      uses: ./.github/actions/build-and-cache-rust-tool
      with:
        rust-toolchain: stable
        check-and-install-cmd: cargo-nextest --version > /dev/null || cargo install cargo-nextest --locked
        print-version-cmd: cargo-nextest --version
        # increment cache-N-${{}} if a new nextest version is required
        cache-key: cache-2-${{ runner.os }}-cargo-nextest
        artifact-bin-name: cargo-nextest
        artifact-upload-name: ${{ runner.os }}-cargo-nextest

  x86_32:
    needs: [preflight-check, static-code-analysis, cargo-nextest]
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    strategy:
      matrix:
        os: [ubuntu-latest] # [windows-latest, ubuntu-latest, macos-latest]
        toolchain: [stable] # [stable, 1.75.0, beta, nightly]
        mode: 
          - name: "release"
            arg: "--release"
            cmake-build-type: "-DCMAKE_BUILD_TYPE=Release"
          - name: "debug"
            arg: ""
            cmake-build-type: "-DCMAKE_BUILD_TYPE=Debug"
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          targets: i686-unknown-linux-gnu
          components: rustfmt, clippy

      - name: Download artifact cargo-nextest
        uses: ./.github/actions/download-cached-rust-tool
        with:
          artifact-bin-name: cargo-nextest
          artifact-upload-name: ${{ runner.os }}-cargo-nextest

      - name: Prepare Windows
        if: ${{ matrix.os == 'windows-latest' }}
        run: internal\scripts\ci_prepare_windows.ps1
      - name: Prepare Linux
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          internal/scripts/ci_prepare_ubuntu.sh
          uname -a

      - name: Run cargo build
        run: cargo build --workspace --all-targets ${{ matrix.mode.arg }} --target i686-unknown-linux-gnu

      - name: Run cargo nextest
        run: cargo nextest run --workspace --no-fail-fast ${{ matrix.mode.arg }} --target i686-unknown-linux-gnu

      - name: Build language bindings
        run: |
          cmake -S . \
                -B target/ffi/build \
                -DCMAKE_INSTALL_PREFIX=target/ffi/install \
                -DBUILD_CXX_BINDING=OFF \
                -DBUILD_EXAMPLES=ON \
                -DBUILD_TESTING=ON \
                -DRUST_TARGET_TRIPLET="i686-unknown-linux-gnu" \
                -DCMAKE_C_FLAGS="-m32" \
                -DCMAKE_CXX_FLAGS="-m32" \
                ${{ matrix.mode.cmake-build-type }}
          cmake --build target/ffi/build
          cmake --install target/ffi/build

      - name: Run language binding tests
        run: target/ffi/build/tests/iceoryx2-c-tests

      - name: Build C language binding examples in out-of-tree configuration
        if: false # TODO: [#262] out-of-tree cross-compilation is currently not supported
        run: |
          rm -rf target/ffi/build
          cmake -S examples/c \
                -B target/ffi/out-of-tree-c \
                -DCMAKE_PREFIX_PATH=${{ github.workspace }}/target/ffi/install \
                -DCMAKE_C_FLAGS="-m32" \
                -DCMAKE_CXX_FLAGS="-m32" \
                -${{ matrix.mode.cmake-build-type }}
          cmake --build target/ffi/out-of-tree-c

      - name: Build C++ language binding examples in out-of-tree configuration
        if: false # TODO: [#262] out-of-tree cross-compilation is currently not supported
        run: |
          cmake -S examples/cxx \
                -B target/ffi/out-of-tree-cxx \
                -DCMAKE_PREFIX_PATH=${{ github.workspace }}/target/ffi/install \
                -DCMAKE_C_FLAGS="-m32" \
                -DCMAKE_CXX_FLAGS="-m32" \
                -${{ matrix.mode.cmake-build-type }}
          cmake --build target/ffi/out-of-tree-cxx

  x86_64:
    needs: [preflight-check, static-code-analysis, cargo-nextest]
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
        toolchain: [stable, stable-gnu, 1.75.0]
        mode:
          - name: "release"
            arg: "--release"
            cmake-build-type: "-DCMAKE_BUILD_TYPE=Release" # required for Makefile Generators at config time
            cmake-build-config: "--config Release" # required for Visual Studio at build and install time
          - name: "debug"
            arg: ""
            cmake-build-type: "-DCMAKE_BUILD_TYPE=Debug" # required for Makefile Generators at config time
            cmake-build-config: "--config Debug" # required for Visual Studio at build and install time
        include:
          - toolchain: stable-gnu
            cmake-build-system-generator: '-G "MinGW Makefiles"'
          - os: windows-latest
            toolchain: stable
            cmake-cxx-flags: '-DCMAKE_CXX_FLAGS="/MP"'
        exclude:
          - os: ubuntu-latest
            toolchain: stable-gnu
          - os: macos-latest
            toolchain: stable-gnu
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          components: rustfmt, clippy

      - name: Download artifact cargo-nextest
        uses: ./.github/actions/download-cached-rust-tool
        with:
          artifact-bin-name: cargo-nextest
          artifact-upload-name: ${{ runner.os }}-cargo-nextest

      - name: Prepare Windows
        if: ${{ matrix.os == 'windows-latest' }}
        run: internal\scripts\ci_prepare_windows.ps1
      - name: Prepare Linux
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          internal/scripts/ci_prepare_ubuntu.sh
          uname -a

      - name: Run cargo build
        run: cargo build --workspace --all-targets ${{ matrix.mode.arg }}

      - name: Run cargo nextest
        run: cargo nextest run --workspace --no-fail-fast ${{ matrix.mode.arg }}

      - name: Build iceoryx_hoofs on Windows
        if: ${{ matrix.os == 'windows-latest' }}
        run: internal\scripts\ci_build_and_install_iceoryx_hoofs.ps1 -mode ${{ matrix.mode.name }} -toolchain ${{ matrix.toolchain }}
      - name: Build iceoryx_hoofs on non-Windows
        if: ${{ matrix.os != 'windows-latest' }}
        run: internal/scripts/ci_build_and_install_iceoryx_hoofs.sh

      - name: Print native libs of FFI target
        if: false # This step takes 1 to 2 minutes; only enable if there are linker issues with the FFI target
        run: |
          cd iceoryx2-ffi/ffi
          cargo rustc -q -- --print=native-static-libs

      - name: Build language bindings
        run: |
          cmake -S . -B target/ffi/build -DBUILD_EXAMPLES=ON -DBUILD_TESTING=ON ${{ matrix.mode.cmake-build-type }} ${{ matrix.mode.cmake-cxx-flags }} ${{ matrix.cmake-build-system-generator }} -DCMAKE_INSTALL_PREFIX=target/ffi/install -DCMAKE_PREFIX_PATH="${{ github.workspace }}/target/iceoryx/install"
          cmake --build target/ffi/build ${{ matrix.mode.cmake-build-config }}
          cmake --install target/ffi/build ${{ matrix.mode.cmake-build-config }}

      - name: Run C language binding tests
        run: target/ffi/build/tests/iceoryx2-c-tests

      - name: Run C++ language binding tests
        run: target/ffi/build/tests/iceoryx2-cxx-tests

      - name: Remove language binding build artifacts on Windows
        if: ${{ matrix.os == 'windows-latest' }}
        run: rm -r -force target/ffi/build
      - name: Remove language binding build artifacts on non-Windows
        if: ${{ matrix.os != 'windows-latest' }}
        run: rm -rf target/ffi/build

      - name: Build C language binding examples in out-of-tree configuration
        run: |
          cmake -S examples/c -B target/ffi/out-of-tree-c ${{ matrix.mode.cmake-build-type }} ${{ matrix.mode.cmake-cxx-flags }} ${{ matrix.cmake-build-system-generator }} -DCMAKE_PREFIX_PATH="${{ github.workspace }}/target/ffi/install"
          cmake --build target/ffi/out-of-tree-c ${{ matrix.mode.cmake-build-config }}

      - name: Build C++ language binding examples in out-of-tree configuration
        run: |
          cmake -S examples/cxx -B target/ffi/out-of-tree-cxx ${{ matrix.mode.cmake-build-type }} ${{ matrix.mode.cmake-cxx-flags }} ${{ matrix.cmake-build-system-generator }} -DCMAKE_PREFIX_PATH="${{ github.workspace }}/target/ffi/install;${{ github.workspace }}/target/iceoryx/install"
          cmake --build target/ffi/out-of-tree-cxx ${{ matrix.mode.cmake-build-config }}

  x86_64_unstable:
    needs: [preflight-check, static-code-analysis, cargo-nextest]
    if: ${{ needs.changes.outputs.source-code == 'true' && github.ref != 'refs/heads/main' }}
    continue-on-error: true
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
        toolchain: [beta, nightly]
        mode: 
          - name: "release"
            arg: "--release"
          - name: "debug"
            arg: ""
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          components: rustfmt, clippy

      - name: Download artifact cargo-nextest
        uses: ./.github/actions/download-cached-rust-tool
        with:
          artifact-bin-name: cargo-nextest
          artifact-upload-name: ${{ runner.os }}-cargo-nextest

      - name: Prepare Windows
        if: ${{ matrix.os == 'windows-latest' }}
        run: internal\scripts\ci_prepare_windows.ps1
      - name: Prepare Linux
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          internal/scripts/ci_prepare_ubuntu.sh
          uname -a

      - name: Run cargo build
        run: cargo build --workspace --all-targets ${{ matrix.mode.arg }}

      - name: Run cargo nextest
        run: cargo nextest run --workspace --no-fail-fast ${{ matrix.mode.arg }}

  ### TODO: does not work yet reliable on the GitHub CI, seems to end up in an infinite loop
  ###       current alternative is a cirrus.yml aarch64 target
  # arm:
  #   runs-on: ubuntu-latest
  #   if: ${{ needs.changes.outputs.source-code == 'true' }}
  #   strategy:
  #     matrix:
  #       architecture: ["aarch64"] # ["aarch64", "armv7"]
  #       toolchain: [ stable ] # [stable, 1.75.0, beta, nightly]
  #       mode: ["--release", ""]
  #   timeout-minutes: 30
  #   steps:
  #     - uses: actions/checkout@v4
  #     - uses: uraimo/run-on-arch-action@v2
  #       name: Run commands
  #       with:
  #         arch: ${{ matrix.architecture }}
  #         distro: archarm_latest
  #         run: |
  #           ./internal/scripts/ci_prepare_archlinux.sh
  #           rustup default ${{ matrix.toolchain }}
  #           cargo fmt --all -- --check
  #           cargo clippy -- -D warnings
  #           cargo build --workspace --all-targets ${{ matrix.mode }}
  #           cargo test --workspace --no-fail-fast ${{ matrix.mode }}

  freebsd:
    needs: [preflight-check, static-code-analysis]
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    runs-on: ubuntu-latest
    timeout-minutes: 60
    strategy:
      matrix:
        freebsd_version: [ "14.0" ] 
        toolchain: [ "stable", "1.75.0" ] # [stable, 1.75.0, beta, nightly]
        mode: ["debug"] # ["release", "debug"]
    steps:
      - uses: actions/checkout@v4
      - uses: vmactions/freebsd-vm@v1
        with:
          release: ${{ matrix.freebsd_version }}
          mem: 8192
          copyback: false
          prepare: pkg install -y cmake curl gcc git llvm
          run: |
            git config --global --add safe.directory /home/runner/work/iceoryx2/iceoryx2
            ./internal/scripts/ci_prepare_freebsd.sh
            ./internal/scripts/ci_build_and_test_freebsd.sh --toolchain ${{ matrix.toolchain }} --mode ${{ matrix.mode }}

  grcov:
    needs: [preflight-check, static-code-analysis]
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    timeout-minutes: 10
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Build and cache grcov
      uses: ./.github/actions/build-and-cache-rust-tool
      with:
        rust-toolchain: stable
        rust-components: llvm-tools-preview
        check-and-install-cmd: grcov --version > /dev/null || cargo install grcov
        print-version-cmd: grcov --version
        cache-key: cache-1-${{ runner.os }}-grcov
        artifact-bin-name: grcov
        artifact-upload-name: ${{ runner.os }}-grcov

  coverage:
    needs: grcov
    if: ${{ needs.changes.outputs.source-code == 'true' }}
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: Install dependencies
      run: sudo apt-get -y install libacl1-dev llvm

    - name: Create test users and groups
      run: |
        sudo useradd testuser1
        sudo useradd testuser2
        sudo groupadd testgroup1
        sudo groupadd testgroup2

    - name: Setup Rust
      uses: dtolnay/rust-toolchain@v1
      with:
        toolchain: stable
        components: llvm-tools-preview

    - name: Download artifact grcov
      uses: ./.github/actions/download-cached-rust-tool
      with:
        artifact-bin-name: grcov
        artifact-upload-name: ${{ runner.os }}-grcov

    - name: Generate raw coverage results
      run: ./internal/scripts/generate-cov-report.sh --generate

    - name: Generate coverage results for html artifacts
      run: ./internal/scripts/generate-cov-report.sh --html

    - name: Archive coverage-html artifacts
      uses: actions/upload-artifact@v4
      with:
        name: coverage-html
        path: target/debug/coverage/html/*
        retention-days: 90

    - name: Generate coverage report for Codecov
      run: ./internal/scripts/generate-cov-report.sh --lcov

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      with:
        file: target/debug/coverage/lcov.info
        fail_ci_if_error: false
        token: ${{ secrets.CODECOV_TOKEN }}