rust-build-test.yaml

name: 'Rust: Build and Test'

on:
  push:
    branches:
      - main
      - master
  workflow_dispatch:
  pull_request:
    paths:
      - 'changepoint/**'
      - '.github/workflows/rust-build-test.yaml'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  features:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: changepoint
    steps:
      - uses: actions/checkout@v3

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2

      - name: Install dependencies
        run: cargo install cargo-hack

      - name: Run cargo hack
        working-directory: changepoint
        run: cargo hack check --each-feature --no-dev-deps

  lint:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: changepoint

    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: changepoint

      - name: Run rustfmt
        run: cargo fmt --all -- --check

      - name: Run clippy
        env:
          RUSTFLAGS: -C debuginfo=0
        run: |
          cargo clippy \
          --all-features \
            --workspace

  test:
    runs-on: ${{ matrix.os }}
    needs: ["lint", "features"]
    strategy:
      fail-fast: true
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    defaults:
      run:
        working-directory: changepoint

    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: changepoint

      - name: Run tests
        env:
          RUSTFLAGS: -C debuginfo=0
        run: cargo test --workspace

  # benchmark:
  #   name: Performance regression check
  #   runs-on: ubuntu-latest
  #   needs: ["test"]
  #   steps:
  #     - uses: actions/checkout@v3

  #     - name: Set up Rust
  #       uses: dtolnay/rust-toolchain@stable

  #     - name: Cache Rust
  #       uses: Swatinem/rust-cache@v2
  #       with:
  #         workspaces: changepoint

  #     - name: Run benchmark
  #       run: cargo bench -- --output-format bencher | tee output.txt

  #     - name: Store benchmark result
  #       uses: benchmark-action/github-action-benchmark@v1
  #       with:
  #         tool: 'cargo'
  #         output-file-path: output.txt

  semver-checks:
    runs-on: ubuntu-latest
    needs: ["features", "lint", "test"]
    steps:
      - name: Checkout branch
        uses: actions/checkout@v3
        with:
          path: branch

      - name: Checkout master
        uses: actions/checkout@v3
        with:
          ref: master
          path: master

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Rust
        uses: Swatinem/rust-cache@v2

      - name: Install extra cargo tools
        run: cargo install cargo-semver-checks --locked

      - name: Check for semver-incompatibilities
        run: cargo semver-checks check-release --manifest-path branch/changepoint/Cargo.toml --baseline-root master/changepoint --verbose

  release:
    name: release
    defaults:
      run:
        working-directory: changepoint
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/rust')
    needs: ["semver-checks", "features", "lint", "test"]
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - name: Publish to Crates.io
        run:
          cargo publish --token ${CRATES_TOKEN}
        env:
          CRATES_TOKEN: ${{ secrets.CRATES_TOKEN }}