on: [push, pull_request]

name: Continuous integration

jobs:
  check:
    name: check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - uses: Swatinem/rust-cache@v1
      - uses: actions-rs/cargo@v1
        with:
          command: check

  test:
    name: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - uses: Swatinem/rust-cache@v1
      - uses: actions-rs/cargo@v1
        with:
          command: test

  fmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          # rustfmt uses unstable features
          toolchain: nightly
          override: true
      - run: rustup component add rustfmt
      - uses: Swatinem/rust-cache@v1
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  miri:
    name: miri
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install Miri
        run: |
          MIRI_NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)
          echo "Installing latest nightly with Miri: $MIRI_NIGHTLY"
          rustup set profile minimal
          rustup default "$MIRI_NIGHTLY"
          rustup component add miri
      - uses: Swatinem/rust-cache@v1
      - name: Run Tests
        run: cargo miri test