name: CI
on:
  push:
    branches:
      - staging
      - trying

jobs:

  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [1.0.0, 1.5.0, 1.10.0, 1.15.0, 1.20.0, 1.25.0, 1.30.0, 1.35.0,
               1.40.0, 1.45.0, 1.50.0, 1.55.0, stable, beta, nightly]
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Install
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          profile: minimal
          override: true
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose
      - name: Test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose

  # try probing a target that doesn't have std at all
  no_std:
    name: No Std
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1
      - name: Install
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: thumbv6m-none-eabi
          profile: minimal
          override: true
      - name: Test
        env:
          TARGET: thumbv6m-none-eabi
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --lib

  # we don't even need an installed target for version checks
  missing_target:
    name: Missing Target
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1
      - name: Install
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - name: Test
        env:
          TARGET: thumbv6m-none-eabi
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --lib -- version

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Install
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: 1.58.1
          override: true
          components: rustfmt
      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check