name: Continuous Integration

on:
  push:
    branches:
      - master
  pull_request:

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@v3
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.job.target }}
      - name: Install cross
        if: matrix.job.use-cross
        uses: taiki-e/install-action@v2
        with:
          tool: cross
      - name: Unit tests
        shell: bash
        run: |
          if [[ "${{ matrix.job.use-cross }}" == "true" ]]; then
            cross test --target ${{ matrix.job.target }} --verbose -- --nocapture
          else
            cargo test --target ${{ matrix.job.target }} --verbose -- --nocapture
          fi

  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@v3
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
      - name: Build for release
        run: cargo build --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@v3
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - name: Check formatting
        run: cargo fmt --all --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - name: Clippy Check
        run: cargo clippy -- -D warnings

  coverage:
    name: Code coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@stable
      - name: Install cargo-tarpaulin
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-tarpaulin
      - name: Run cargo-tarpaulin
        run: cargo tarpaulin --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'