rust.yml

name: Rust

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: '-D warnings'


jobs:
  format:
    name: Verify code Fromatting
    runs-on: "ubuntu-latest"
    steps:
    - uses: actions/checkout@v4
    - name: Format
      run: cargo fmt --all -- --check

  lint:
    name: Lint with clippy
    needs: format
    strategy:
      fail-fast: true
    runs-on: "ubuntu-latest"
    env:
      RUSTFLAGS: -Dwarnings

    steps:
    - uses: actions/checkout@v4

    - name: Install Rust
      uses: dtolnay/rust-toolchain@nightly
      with:
        components: clippy, rustfmt

    - name: Install clippy
      run: rustup component add clippy --toolchain nightly

    - name: Lint
      run: cargo clippy --workspace --all-targets --verbose --all-features

#     bench:
#       name: Check that benchmarks compile
#       runs-on: ubuntu-latest
#       steps:
#       - uses: actions/checkout@v4
#       - uses: dtolnay/rust-toolchain@stable
#       - name: Build u32 bench
#         env:
#           RUSTFLAGS: '--cfg curve25519_dalek_bits="32"'
#         run: cargo build --benches
#       - name: Build u64 bench
#         env:
#           RUSTFLAGS: '--cfg curve25519_dalek_bits="64"'
#         run: cargo build --benches
#       - name: Build default (host native) bench
#         run: cargo build --benches

  test-stable:
    name: Test 32/64 bit stable
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # 32-bit target
          - target: i686-unknown-linux-gnu
            deps: >
              sudo dpkg --add-architecture i386;
              sudo touch /etc/apt/sources.list.d/i386-cross-compile-sources.list;
              echo "deb [arch=i386] http://ports.ubuntu.com/ focal universe\ndeb [arch=i386] http://ports.ubuntu.com/ focal-updates universe\n" | sudo tee -a /etc/apt/sources.list.d/i386-cross-compile-sources.list;
              sudo apt update && sudo apt install gcc-multilib libsqlite3-dev:i386

          # 64-bit target
          - target: x86_64-unknown-linux-gnu
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
    - run: rustup target add ${{ matrix.target }}
    - run: ${{ matrix.deps }}
    - run: cargo test --target ${{ matrix.target }} --workspace --all-targets --all-features
  # - run: cargo test --target ${{ matrix.target }} --workspace --all-targets
  # - run: cargo test --target ${{ matrix.target }} --workspace --all-targets --no-default-features

  test-nightly:
    name: Test Nightly
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@nightly
    - run: cargo test --workspace --all-targets

  msrv:
    name: Check Crates against MSRV
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    # Re-resolve Cargo.lock with minimal versions
    - uses: dtolnay/rust-toolchain@nightly
    - run: cargo update -Z minimal-versions
    # Now check that `cargo build` works with respect to the oldest possible
    # deps and the stated MSRV. 1.70 should work for all
    - uses: dtolnay/rust-toolchain@1.70.0
    - run: cargo test --workspace --all-targets --all-features
    # Also make sure the AVX2 build works
    - run: cargo build --target x86_64-unknown-linux-gnu
    # The PTRS crate has fewer dependencies and a lower msrv
    - uses: dtolnay/rust-toolchain@1.63
    - run: cargo test -p ptrs --all-targets --all-features
    - run: cargo build -p ptrs --target x86_64-unknown-linux-gnu

  build:
    name: Build
    needs: format
    # needs: [format, lint]
    strategy:
      fail-fast: true
      matrix:
        os: [ "ubuntu-latest" ]

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

    steps:
    - uses: actions/checkout@v4

    - name: Install Rust
      uses: dtolnay/rust-toolchain@nightly

    # Build ptrs library
    - name: Build library and bins
      run: cargo build

    - name: Install cargo-llvm-cov
      uses: taiki-e/install-action@cargo-llvm-cov
    - name: Generate code coverage
      run: cargo llvm-cov --all-features --workspace --codecov --output-path codecov.json
    - name: Codecov
      uses: codecov/codecov-action@v4.0.1
      with:
        fail_ci_if_error: true
        files: codecov.json
        token: ${{ secrets.CODECOV_TOKEN }} # required
        verbose: true
        slug: jmwample/ptrs