build-macos.yml

name: build-macos

# macOS best-effort build-only check.
# The Rust port platform matrix is Linux x86_64 + aarch64 first-class;
# macOS gets a non-blocking build check so contributors on Apple Silicon
# detect compile breaks early. The parity gate is NOT run on macOS;
# Windows is non-goal.

on:
  pull_request:
    branches: ["**"]
  push:
    branches: [main]

jobs:
  build-macos:
    name: cargo build (macos, non-blocking)
    runs-on: macos-14
    timeout-minutes: 15
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4

      - name: Skip when no Cargo workspace present
        id: detect
        run: |
          if [ ! -f Cargo.toml ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
            echo "No Cargo.toml; build-macos has nothing to do."
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Install Rust toolchain
        if: steps.detect.outputs.skip == 'false'
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.85.0"
          components: rustfmt, clippy

      - name: cargo build
        if: steps.detect.outputs.skip == 'false'
        run: cargo build --workspace --all-features

      - name: cargo fmt --check
        if: steps.detect.outputs.skip == 'false'
        run: cargo fmt --all -- --check

      - name: cargo clippy
        if: steps.detect.outputs.skip == 'false'
        run: cargo clippy --workspace --all-features -- -D warnings