ci.yml

name: CI checks

on: [push, pull_request]

jobs:
  test-msrv:
    name: Test MSRV on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]

    steps:
      - uses: actions/checkout@v4
      - name: Run tests
        run: cargo test --verbose --release --features experimental,zeroize
      - name: Verify working directory is clean
        run: git diff --exit-code

  test-latest:
    name: Test latest on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        id: toolchain
      - run: rustup override set ${{steps.toolchain.outputs.name}}
      - name: Remove lockfile to build with latest dependencies
        run: rm Cargo.lock
      - name: Run tests
        run: cargo test --verbose --release --features experimental,zeroize
      - name: Verify working directory is clean (excluding lockfile)
        run: git diff --exit-code ':!Cargo.lock'

  no-std:
    name: Check no-std target ${{ matrix.target }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target:
          - thumbv6m-none-eabi
          - wasm32-unknown-unknown
          - wasm32-wasi

    steps:
      - uses: actions/checkout@v4
      - run: rustup target add ${{ matrix.target }}
      - run: cargo fetch
      - name: Build
        run: >
          cargo build
          --verbose
          --target ${{ matrix.target }}
          --no-default-features
          --features groups,pairings

  bitrot:
    name: Bitrot check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      # Build benchmarks and all-features to prevent bitrot
      - name: Build benchmarks
        run: cargo build --benches --examples --all-features

  doc-links:
    name: Intra-doc links
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: cargo fetch
      # Requires #![deny(rustdoc::broken_intra_doc_links)] in crate.
      - name: Check intra-doc links
        run: cargo doc --document-private-items

  fmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check formatting
        run: cargo fmt -- --check