# adapted from https://github.com/BurntSushi/ripgrep/blob/master/.github/workflows/ci.yml
name: ci
on:
  pull_request:
  push:
  # schedule:
  # - cron: '00 01 * * *'
jobs:
  test:
    name: test
    env:
      # For some builds, we use cross to test on 32-bit and big-endian
      # systems.
      CARGO: cargo
      # When CARGO is set to CROSS, this is set to `--target matrix.target`.
      TARGET_FLAGS:
      # When CARGO is set to CROSS, TARGET_DIR includes matrix.target.
      TARGET_DIR: ./target
      # Emit backtraces on panics.
      RUST_BACKTRACE: 1
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        build:
        - nightly
        - nightly-musl
        - nightly-arm
        - macos
        - win-msvc
        #- win-gnu
        include:
        #- build: stable
        #  os: ubuntu-18.04
        #  rust: stable
        - build: nightly
          os: ubuntu-18.04
          rust: nightly
        - build: nightly-musl
          os: ubuntu-18.04
          rust: nightly
          target: x86_64-unknown-linux-musl
        - build: nightly-arm
          os: ubuntu-18.04
          rust: nightly
          target: arm-unknown-linux-gnueabihf
        - build: macos
          os: macos-latest
          rust: nightly
        - build: win-msvc
          os: windows-2019
          rust: nightly
        #- build: win-gnu
        #  os: windows-2019
        #  rust: nightly-x86_64-gnu
    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Install packages (Ubuntu)
      if: matrix.os == 'ubuntu-18.04'
      run: |
        ci/ubuntu-install-packages

    - name: Install packages (macOS)
      if: matrix.os == 'macos-latest'
      run: |
        ci/macos-install-packages

    - name: Install Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: ${{ matrix.rust }}
        profile: minimal
        override: true

    - name: Use Cross
      if: matrix.target != ''
      run: |
        # FIXME: to work around bugs in latest cross release, install master.
        # See: https://github.com/rust-embedded/cross/issues/357
        cargo install --git https://github.com/rust-embedded/cross
        echo "CARGO=cross" >> $GITHUB_ENV
        echo "TARGET_FLAGS=--target ${{ matrix.target }}" >> $GITHUB_ENV
        echo "TARGET_DIR=./target/${{ matrix.target }}" >> $GITHUB_ENV

    - name: Show command used for Cargo
      run: |
        echo "cargo command is: ${{ env.CARGO }}"
        echo "target flag is: ${{ env.TARGET_FLAGS }}"

    - name: Build ripgrep-all and all crates
      run: ${{ env.CARGO }} build --verbose --all ${{ env.TARGET_FLAGS }}

    # This is useful for debugging problems when the expected build artifacts
    # (like shell completions and man pages) aren't generated.
    - name: Show build.rs stderr
      shell: bash
      run: |
        set +x
        stderr="$(find "${{ env.TARGET_DIR }}/debug" -name stderr -print0 | xargs -0 ls -t | head -n1)"
        if [ -s "$stderr" ]; then
          echo "===== $stderr ===== "
          cat "$stderr"
          echo "====="
        fi
        set -x

    - name: Run tests (sans cross)
      if: matrix.target == ''
      run: ${{ env.CARGO }} test --verbose --all ${{ env.TARGET_FLAGS }}

  rustfmt:
    name: rustfmt
    runs-on: ubuntu-18.04
    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
    - name: Install Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
        profile: minimal
        components: rustfmt
    - name: Check formatting
      run: |
        cargo fmt --all -- --check