on:
  push:
  pull_request:

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set rust version
        run: |
          source ci/rust-version.sh
          echo "RUST_STABLE=$rust_stable" | tee -a $GITHUB_ENV

      # The toolchain action should definitely be run before the cache action
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: ${{ env.RUST_STABLE }}
          components: rustfmt, clippy
          cache: false
          # avoid the default "-D warnings" which thrashes cache
          rustflags: ""

      # https://github.com/actions/cache/blob/main/examples.md#rust---cargo
      - uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Run fmt+clippy
        run: |
          cargo fmt --all --check
          cargo clippy --workspace --all-targets

      - name: Build
        run: |
          cargo build --all-targets