name: CI
on: [push, pull_request]

env:
  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse

jobs:
  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        rust: [stable, beta, nightly]
        # Pin ubuntu-26.04 because we need GNU Make >= 4.4 (24.04 ships 4.3).
        # 4.4 understands both `--jobserver-style=fifo` and `=pipe`, so the
        # tests exercise both jobserver wire formats against a single make.
        os: [ubuntu-26.04, macos-14, windows-latest]
    steps:
      - uses: actions/checkout@master
      - name: Install Rust (rustup)
        run: |
          rustup toolchain install ${{ matrix.rust }} --no-self-update --profile minimal
          rustup default ${{ matrix.rust }}
        shell: bash

      - uses: Swatinem/rust-cache@v2

      # macOS ships BSD make as `make`; Homebrew installs GNU make as `gmake`.
      - name: Install GNU Make (macOS)
        if: startsWith(matrix.os, 'macos')
        run: brew install make
        shell: bash

      - name: Print GNU Make version
        if: ${{ !startsWith(matrix.os, 'windows') }}
        shell: bash
        run: "$MAKE --version"
        env:
          MAKE: ${{ startsWith(matrix.os, 'macos') && 'gmake' || 'make' }}

      - run: cargo test --locked
        shell: bash
        env:
          MAKE: ${{ startsWith(matrix.os, 'macos') && 'gmake' || 'make' }}

      - name: Ensure wasm32-unknown-unknown be buildable
        if: startsWith(matrix.os, 'ubuntu')
        shell: bash
        run: |
          rustup target add wasm32-unknown-unknown
          cargo build --locked --target wasm32-unknown-unknown

  test_musl:
    name: Test (stable, alpine-latest)
    container: rust:alpine
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master

      - name: Install make dependencies
        run: apk add musl-dev bash make

      - uses: Swatinem/rust-cache@v2

      - name: Print GNU Make version
        run: make --version
        shell: bash

      - run: cargo test --locked
        shell: bash

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Install Rust
        run: rustup update stable && rustup default stable && rustup component add rustfmt
      - run: cargo fmt -- --check

  publish_docs:
    name: Publish Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: Build documentation
        run: cargo doc --no-deps --all-features
      - name: Publish documentation
        run: |
          cd target/doc
          git init
          git add .
          git -c user.name='ci' -c user.email='ci' commit -m init
          git push -f -q https://git:${{ secrets.github_token }}@github.com/${{ github.repository }} HEAD:gh-pages
        if: github.event_name == 'push' && github.event.ref == 'refs/heads/master'

  msrv:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-14, windows-latest]
    steps:
      - uses: actions/checkout@master
      - name: Install Rust (rustup)
        run: rustup toolchain install nightly --no-self-update --profile minimal
        shell: bash

      - uses: taiki-e/install-action@cargo-hack
      - uses: Swatinem/rust-cache@v2

      - run: cargo hack check --lib --rust-version --ignore-private --locked