rust.yml

name: Rust

on:
  push:
    branches:
      - main
  pull_request:
  release:
    types: [published]
  workflow_dispatch:

concurrency:
  group: "${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}"
  cancel-in-progress: true

env:
  MSRV: "1.74"
  PYTHON_VERSION: "3.10"
  CARGO_TERM_COLOR: always
  LIB_PACKAGE_NAME: pyo3_bindgen
  CLI_PACKAGE_NAME: pyo3_bindgen_cli
  ENGINE_PACKAGE_NAME: pyo3_bindgen_engine
  MACROS_PROCEDURAL_PACKAGE_NAME: pyo3_bindgen_macros

jobs:
  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt

      ## cargo fmt
      - name: cargo fmt
        run: cargo fmt --all --check --verbose

  cargo:
    needs: rustfmt
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        toolchain:
          - MSRV
          - stable
          - beta
    steps:
      - uses: actions/checkout@v4
      - uses: Swatinem/rust-cache@v2
        with:
          save-if: ${{ github.event_name == 'push'}}
      - uses: dtolnay/rust-toolchain@master
        if: ${{ matrix.toolchain != 'MSRV' && matrix.toolchain != 'stable' }}
        with:
          toolchain: ${{ matrix.toolchain }}
      - uses: dtolnay/rust-toolchain@master
        if: ${{ matrix.toolchain == 'MSRV' }}
        with:
          toolchain: ${{ env.MSRV }}
      - uses: dtolnay/rust-toolchain@master
        if: ${{ matrix.toolchain == 'stable' }}
        with:
          toolchain: ${{ matrix.toolchain }}
          components: clippy

      - uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      ## cargo check
      - name: cargo check
        run: cargo check --workspace --all-targets --verbose
      - name: cargo check --no-default-features
        run: cargo check --workspace --all-targets --no-default-features --verbose
      - name: cargo check --all-features
        run: cargo check --workspace --all-targets --all-features --verbose

      ## cargo test
      - name: cargo test
        run: cargo test --workspace --all-targets --verbose
      - name: cargo test --no-default-features
        run: cargo test --workspace --all-targets --no-default-features --verbose
      - name: cargo test --all-features
        run: cargo test --workspace --all-targets --all-features --verbose

      ## cargo test --doc
      - name: cargo test --doc
        run: cargo test --workspace --doc --verbose
      - name: cargo test --doc --no-default-features
        run: cargo test --workspace --doc --no-default-features --verbose
      - name: cargo test --doc --all-features
        run: cargo test --workspace --doc --all-features --verbose

      ## [stable] cargo clippy
      - name: stable | cargo clippy
        if: ${{ matrix.toolchain == 'stable' }}
        run: cargo clippy --workspace --all-targets --all-features --no-deps --verbose -- --deny warnings

      ## [stable] cargo doc
      - name: stable | cargo doc --document-private-items
        if: ${{ matrix.toolchain == 'stable' }}
        run: cargo doc --workspace --all-features --no-deps --document-private-items --verbose

      ## [stable] Code coverage
      - name: stable | Install cargo llvm-cov for code coverage
        uses: taiki-e/install-action@cargo-llvm-cov
        if: ${{ matrix.toolchain == 'stable' }}
      ## [stable] Generate coverage with cargo llvm-cov
      - name: stable | Generate coverage
        if: ${{ matrix.toolchain == 'stable' }}
        run: cargo llvm-cov --workspace --all-features --lcov --output-path lcov.info
      ## [stable] Upload coverage to codecov.io
      - name: stable | Upload coverage
        if: ${{ matrix.toolchain == 'stable' }}
        uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: lcov.info
          fail_ci_if_error: false

  deny:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: EmbarkStudios/cargo-deny-action@v1
        with:
          command: check bans licenses sources

  publish:
    if: ${{ github.event_name == 'release' }}
    needs:
      - cargo
      - deny
    runs-on: ubuntu-latest
    env:
      CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable

      ## Publish to crates.io
      - name: Publish crate (engine)
        if: ${{ env.CARGO_REGISTRY_TOKEN != '' }}
        run: cargo publish --no-verify --package ${{ env.ENGINE_PACKAGE_NAME }} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}
      - name: Publish crate (procedural macros)
        if: ${{ env.CARGO_REGISTRY_TOKEN != '' }}
        run: cargo publish --no-verify --package ${{ env.MACROS_PROCEDURAL_PACKAGE_NAME }} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}
      - name: Publish crate (public API)
        if: ${{ env.CARGO_REGISTRY_TOKEN != '' }}
        run: cargo publish --no-verify --package ${{ env.LIB_PACKAGE_NAME }} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}
      - name: Publish crate (CLI tool)
        if: ${{ env.CARGO_REGISTRY_TOKEN != '' }}
        run: cargo publish --no-verify --package ${{ env.CLI_PACKAGE_NAME }} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}