rust.yml

name: Rust

on:
  merge_group:
  pull_request:
  workflow_dispatch:

concurrency:
  group: rust-${{ github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
      - run: sudo apt-get install llvm
      - name: Cargo sort
        run: cargo install cargo-sort && cargo sort --check .
      - name: Format
        run: cargo fmt && git diff --exit-code
      - name: Clippy
        run: cargo clippy --all-targets -- -D warnings
  build:
    strategy:
      fail-fast: ${{ github.event_name == 'merge_group' }}
      matrix:
        environment: [ubuntu-latest, ubuntu-24.04, macos-latest]
        toolchain: [stable, nightly]
        plugins: [true, false]
        cc: [cc, clang]
        exclude:
          - environment: macos-latest
            plugins: true
          - toolchain: stable
            plugins: true
        include:
          - cc: cc
            cxx: c++
          - cc: clang
            cxx: clang++
    runs-on: ${{ matrix.environment }}
    env:
      CC: ${{ matrix.cc }}
      CXX: ${{ matrix.cxx }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
      - name: Rustup
        run: rustup default ${{ matrix.toolchain }}
      - name: Install LLVM
        run: |
          LLVM_VERSION="$(rustc --version -v | grep '^LLVM version:' | grep -o '[0-9]\+' | head -n 1)"
          if [[ ${{ matrix.environment  }} = 'macos-latest' ]]; then
            # smoelius: Around the time Rust 1.80 was released, running `brew update` would be
            # followed by "cargo: command not found" errors.
            # brew update
            brew install llvm@"$LLVM_VERSION" || true
            echo "/usr/local/opt/llvm/bin" >> "$GITHUB_PATH"
          else
            wget https://apt.llvm.org/llvm.sh
            chmod +x llvm.sh
            sudo ./llvm.sh "$LLVM_VERSION"
          fi
        env:
          HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
      - name: Build
        run: cargo build -vv
      - name: Run `cargo afl config`
        run: |
          PLUGINS="$(${{ matrix.plugins }} && echo --plugins)" || true
          cargo run -- afl config --build $PLUGINS
      - name: Run afl-system-config
        run: cargo run -- afl system-config
      - name: Build examples (with AFL instrumentation)
        run: cargo run -- afl build --examples -vv
      - name: Run tests
        run: cargo test -p cargo-afl -vv
  all-checks:
    needs: [lint, build]
    runs-on: ubuntu-latest
    if: ${{ always() }}
    steps:
      - name: Check results
        if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
        run: exit 1