name: CI
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
env:
  CARGO_TERM_COLOR: always
jobs:
  check:
    name: Check (${{ matrix.toolchain }})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        toolchain: [stable, nightly]
    steps:
      - uses: actions/checkout@v6
      - name: Install Rust ${{ matrix.toolchain }}
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
          components: rustfmt, clippy
      - name: Cache cargo registry and build
        uses: actions/cache@v5
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.toml') }}
      - name: Check formatting
        run: cargo fmt --check
      - name: Run clippy
        run: cargo clippy -- -D warnings
      - name: Build
        run: cargo build
      - name: Run tests
        run: cargo test