build.yml

name: HAL
on: [push, pull_request]

env:
  RUSTDOCFLAGS: -D warnings
  RUSTFLAGS: -D warnings
  MSRV: 1.70.0

jobs:
  setup:
    if: github.event.pull_request.head.repo.full_name != github.repository
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - id: pacs
        run: echo "::set-output name=pac_matrix::$(grep -o '^sam\w*' hal/Cargo.toml | uniq | jq -ncR '[inputs]')"
      - id: boards
        run: echo "::set-output name=board_matrix::$(ls ./boards --indicator-style=none | jq -ncR '[inputs]')"
      - id: features
        run: echo "::set-output name=feature_matrix::[\"reconfigurable-system-pins\",\"usart-spi-host-without-select\",\"rt\",\"critical-section\"]"
    outputs:
      pac_matrix: ${{ steps.pacs.outputs.pac_matrix }}
      board_matrix: ${{ steps.boards.outputs.board_matrix }}
      feature_matrix: ${{ steps.features.outputs.feature_matrix }}

  build:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        pac: ${{ fromJson(needs.setup.outputs.pac_matrix) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Build HAL for ${{ matrix.pac }}
        run: cargo check --package atsamx7x-hal --features ${{ matrix.pac }},unproven,rt,critical-section

  build-latest:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        pac: ${{ fromJson(needs.setup.outputs.pac_matrix) }}
    continue-on-error: true # we let this fail and carry on, but GH UI is poor not showing amber like other CIs
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Update toolchain
        run: rustup update
      - name: Specify toolchain
        run: rustup override set stable
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Build HAL for ${{ matrix.pac }}
        run: cargo check --package atsamx7x-hal --features ${{ matrix.pac }},unproven,rt,critical-section

  build-features:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        features: ${{ fromJson(needs.setup.outputs.feature_matrix) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Build HAL for ${{ matrix.features }}
        run: cargo check --package atsamx7x-hal --features ${{ matrix.features }},samv71q21b,unproven

  board-examples:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        board: ${{ fromJson(needs.setup.outputs.board_matrix) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Build boards/${{ matrix.board }}/examples/*
        run: |
          cd boards/${{ matrix.board }}
          cargo check --examples

  clippy-hal:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Install Clippy
        run: rustup component add clippy
      - name: Lint HAL
        run: cargo clippy --package atsamx7x-hal --no-deps --features samv71q21b,unproven,reconfigurable-system-pins,rt -- --deny warnings

  clippy-examples:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: [setup, build, board-examples]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        board: ${{ fromJson(needs.setup.outputs.board_matrix) }}
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Install Clippy
        run: rustup component add clippy
      - name: Lint boards/${{ matrix.board }}/examples/*
        run: |
          cd boards/${{ matrix.board }}
          cargo clippy --examples --no-deps -- --deny warnings

  docs:
    if: github.event.pull_request.head.repo.full_name != github.repository
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Specify toolchain
        run: rustup override set $MSRV
      - name: Install Rust (thumbv7em)
        run: rustup target add thumbv7em-none-eabihf
      - name: Build HAL documentation
        run: cargo doc --package atsamx7x-hal --no-deps --features samv71q21b,unproven,reconfigurable-system-pins,rt,critical-section
      - name: Build HAL doc tests
        run: cargo test --package atsamx7x-hal --doc --features samv71q21b,unproven,rt,critical-section --target x86_64-unknown-linux-gnu