on: [push, pull_request]

name: Continuous integration

jobs:
  build:
    name: Test ${{ matrix.job.target }}
    runs-on: ${{ matrix.job.os }}
    strategy:
      fail-fast: false
      matrix:
        job:
          # Operating systems available: https://docs.github.com/en/actions/using-github-hosted-runners/using-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-22.04 }
          - { target: x86_64-pc-windows-msvc, os: windows-latest }
          - { target: aarch64-pc-windows-msvc, os: windows-11-arm }

          - { target: aarch64-unknown-linux-gnu, os: ubuntu-22.04, use-cross: true }

          # mac-14 is an M1 ARM device.
          - { target: aarch64-apple-darwin, os: macos-14 }
          - { target: x86_64-apple-darwin, os: macos-14, use-cross: true }

          - { target: x86_64-unknown-linux-musl, os: ubuntu-22.04, use-cross: true }
    env:
      BUILD_CMD: cargo

    steps:
    - name: Checkout source code
      # v4.2.2
      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683

    - name: Install Rust toolchain
      uses: dtolnay/rust-toolchain@1.76.0
      with:
        targets: ${{ matrix.job.target }}

    - name: Install cross
      if: matrix.job.use-cross
      uses: taiki-e/install-action@v2
      with:
        tool: cross@0.2.5

    - name: Overwrite build command env variable
      if: matrix.job.use-cross
      shell: bash
      run: echo "BUILD_CMD=cross" >> $GITHUB_ENV

    - name: Test
      shell: bash
      run: $BUILD_CMD test --target ${{ matrix.job.target }}

  test_mime_db:
    name: Test with MIME database
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: dtolnay/rust-toolchain@1.76.0
      # This runs tests that rely on the MIME database being present.
      - run: cargo test -- --ignored

  test_linux_latest_stable:
    name: Test Linux (latest stable Rust)
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: dtolnay/rust-toolchain@stable
      - run: cargo +stable test

  regression_test:
    name: Output Regression Test
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: dtolnay/rust-toolchain@1.76.0
      - name: Generate output for all sample files
        run: ./sample_files/compare_all.sh
      - name: Verify output is unchanged
        run: diff -C2 sample_files/compare.result sample_files/compare.expected

  package:
    name: Check Linux Packaging
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: dtolnay/rust-toolchain@1.76.0
      - run: cargo package --allow-dirty

  fmt:
    name: Rustfmt
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: dtolnay/rust-toolchain@1.76.0
      - run: cargo fmt --all -- --check

  actionlint:
    name: Actionlint
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - uses: raven-actions/actionlint@v2
        with:
          shellcheck: false

  typo-check:
    name: Typo Check
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    env:
      FORCE_COLOR: 1
      TYPOS_VERSION: v1.38.1
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
      - name: Download typos
        run: curl -LsSf https://github.com/crate-ci/typos/releases/download/$TYPOS_VERSION/typos-$TYPOS_VERSION-x86_64-unknown-linux-musl.tar.gz | tar zxf - -C ${CARGO_HOME:-~/.cargo}/bin
      - name: Check for typos
        run: typos