name: Rust

on: [push, pull_request]

jobs:

  codestyle:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
        with:
          components: rustfmt
          # Note that `nightly` is required for `license_template_path`, as
          # it's an unstable feature.
          rust-version: nightly
      - uses: actions/checkout@v2
      - run: cargo +nightly fmt -- --check --config-path <(echo 'license_template_path = "HEADER"')

  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
        with:
          components: clippy
      - uses: actions/checkout@v2
      - run: cargo clippy --all-targets --all-features -- -D warnings

  compile:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
      - uses: actions/checkout@master
      - run: cargo check --all-targets --all-features

  docs:
    runs-on: ubuntu-latest
    env:
      RUSTDOCFLAGS: "-Dwarnings"
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
      - uses: actions/checkout@master
      - run: cargo doc --document-private-items --no-deps --workspace --all-features

  compile-no-std:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
        with:
          targets: 'thumbv6m-none-eabi'
      - uses: actions/checkout@master
      - run: cargo check --no-default-features --target thumbv6m-none-eabi

  test:
    strategy:
      matrix:
        rust: [stable, beta, nightly]
    runs-on: ubuntu-latest
    steps:
    - name: Setup Rust
      uses: hecrj/setup-rust-action@v1
      with:
        rust-version: ${{ matrix.rust }}
    - name: Install Tarpaulin
      uses: actions-rs/install@v0.1
      with:
        crate: cargo-tarpaulin
        version: 0.14.2
        use-tool-cache: true
    - name: Checkout
      uses: actions/checkout@v2
    - name: Test
      run: cargo test --all-features

  test-coverage:
    runs-on: ubuntu-latest
    steps:
    - name: Setup Rust
      uses: hecrj/setup-rust-action@v1
      with:
        rust-version: stable
    - name: Install Tarpaulin
      uses: actions-rs/install@v0.1
      with:
        crate: cargo-tarpaulin
        version: 0.14.2
        use-tool-cache: true
    - name: Checkout
      uses: actions/checkout@v2
    - name: Coverage
      run: cargo tarpaulin -o Lcov --output-dir ./coverage
    - name: Coveralls
      uses: coverallsapp/github-action@master
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}

  publish-crate:
    if: startsWith(github.ref, 'refs/tags/v0')
    runs-on: ubuntu-latest
    needs: [test]
    steps:
      - name: Set up Rust
        uses: hecrj/setup-rust-action@v1
      - uses: actions/checkout@v2
      - name: Publish
        shell: bash
        run: |
          cargo publish --token ${{ secrets.CRATES_TOKEN }}