name: Continuous Integration
on:
  push:
    branches:
      - staging
      - trying
      - master

env:
  CARGO_TERM_COLOR: always

jobs:
  style:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
          components: rustfmt, clippy
      - name: cargo fmt --check
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check
      - name: cargo clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy

  compile:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target:
          - thumbv7em-none-eabihf
        toolchain:
          - stable
          - 1.41.0
          - 1.40.0
          - 1.38.0
          - 1.36.0
          - beta
    steps:
      - uses: actions/checkout@v2
      - name: Install Rust ${{ matrix.toolchain }} with target (${{ matrix.target }})
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          target: ${{ matrix.target }}
          override: true
      - name: cargo check
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --verbose
      - name: cargo build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose
      - name: cargo build release
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --release
      - name: cargo build release+semihosting
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --release --features semihosting

  ci-success:
    name: ci
    if: github.event_name == 'push' && success()
    needs:
      - style
      - compile
    runs-on: ubuntu-latest
    steps:
      - name: Mark the job as a success
      - run: exit 0
  ci-failure:
    name: ci
    if: github.event_name == 'push' && !success()
    needs:
      - style
      - compile
    runs-on: ubuntu-latest
    steps:
      - name: Mark the job as a failure
        run: exit 1