on: [push, pull_request]
name: Continuous Integration

jobs:

  unit_tests:
    name: Unit tests
    runs-on: ${{ matrix.job.os }}
    strategy:
      matrix:
        job:
          - { os: macos-latest,   target: x86_64-apple-darwin,         use-cross: false }
          - { os: windows-latest, target: x86_64-pc-windows-msvc,      use-cross: false }
          - { os: ubuntu-latest , target: x86_64-unknown-linux-gnu,    use-cross: false }
          - { os: ubuntu-latest,  target: x86_64-unknown-linux-musl,   use-cross: true }
          - { os: ubuntu-latest,  target: i686-unknown-linux-gnu,      use-cross: true }
          - { os: ubuntu-latest,  target: arm-unknown-linux-gnueabihf, use-cross: true }
          - { os: ubuntu-latest,  target: aarch64-unknown-linux-gnu,   use-cross: true }
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: ${{ matrix.job.target }}
          profile: minimal
          override: true
      - name: Unit tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          use-cross: ${{ matrix.job.use-cross }}
          args: --target ${{ matrix.job.target }} --verbose -- --nocapture

  integration_tests:
    name: Integration tests
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest, ubuntu-latest]
        include:
          - os: macos-latest
            target: x86_64-apple-darwin
          - os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - name: Build for release
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --target ${{ matrix.target }} --release
      - name: End to end tests
        run: |
          DELTA_BIN=target/${{ matrix.target }}/release/delta
          ./tests/test_raw_output_matches_git_on_full_repo_history $DELTA_BIN
          ./tests/test_deprecated_options $DELTA_BIN > /dev/null
      - name: Run executable
        run: cargo run --release --target ${{ matrix.target }} -- < /dev/null

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

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
          components: clippy
      - name: Clippy Check
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: -- -D warnings

  coverage:
    name: Code coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          args: '--ignore-tests --out Lcov --output-dir target/tarpaulin'
      - name: Upload to Coveralls
        # upload only if push
        if: ${{ github.event_name == 'push' }}
        uses: coverallsapp/github-action@master
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          path-to-lcov: './target/tarpaulin/lcov.info'