macos.yml

name: macos

on:
  push:
    branches: [main]
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

env:
  FORCE_COLOR: 1

jobs:
  pythonbuild:
    if: ${{ needs.generate-matrix.outputs.pythonbuild_changed == 'true' || needs.generate-matrix.outputs.any_builds == 'true' || github.ref == 'refs/heads/main' }}
    needs:
      - generate-matrix
    runs-on: depot-macos-latest
    steps:
      - uses: actions/checkout@v4

      - name: Emit rustc version
        run: |
          rustc --version > .rustc-version

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-pythonbuild-${{ hashFiles('Cargo.lock', '.rustc-version') }}

      - name: Build
        run: |
          cargo build --release

      - name: Upload pythonbuild Executable
        uses: actions/upload-artifact@v4
        with:
          name: pythonbuild
          path: target/release/pythonbuild

  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      any_builds: ${{ steps.set-matrix.outputs.any_builds }}
      pythonbuild_changed: ${{ steps.changed.outputs.pythonbuild_any_changed }}
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: astral-sh/setup-uv@v4

      - name: Get pull request labels
        id: get-labels
        run: |
          # Convert GitHub labels array to comma-separated string
          LABELS=$(echo '${{ toJson(github.event.pull_request.labels.*.name) }}' | jq -r 'join(",")')
          echo "labels=$LABELS" >> $GITHUB_OUTPUT

      - name: Generate build matrix
        id: set-matrix
        run: |
          uv run ci-matrix.py --platform darwin --labels '${{ steps.get-labels.outputs.labels }}' > matrix.json && echo "matrix=$(cat matrix.json)" >> $GITHUB_OUTPUT
          # Display the matrix for debugging too
          cat matrix.json | jq

          if jq -e '.include | length > 0' matrix.json > /dev/null; then
            # Build matrix has entries
            echo "any_builds=true" >> $GITHUB_OUTPUT
          else
            # Build matrix is empty
            echo "any_builds=false" >> $GITHUB_OUTPUT
          fi

      - uses: tj-actions/changed-files@v45
        id: changed
        with:
          files_yaml: |
            pythonbuild:
              - "src/*.rs"
  build:
    needs:
      - generate-matrix
      - pythonbuild
    strategy:
      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
      fail-fast: false
    runs-on: depot-macos-latest
    name: ${{ matrix.target_triple }} / ${{ matrix.python }} / ${{ matrix.build_options }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Download pythonbuild
        uses: actions/download-artifact@v4
        with:
          name: pythonbuild
          path: build

      - name: Build
        if: ${{ ! matrix.dry-run }}
        run: |
          if [ "${{ matrix.target_triple }}" = "aarch64-apple-darwin" ]; then
            export APPLE_SDK_PATH=/Applications/Xcode_15.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk
          elif [ "${{ matrix.target_triple }}" = "x86_64-apple-darwin" ]; then
            export APPLE_SDK_PATH=/Applications/Xcode_15.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk
          else
            echo "unhandled target triple: ${{ matrix.target_triple }}"
            exit 1
          fi

          ./build-macos.py --target-triple ${{ matrix.target_triple }} --python cpython-${{ matrix.python }} --options ${{ matrix.build_options }}

      - name: Upload Distributions
        if: ${{ ! matrix.dry-run }}
        uses: actions/upload-artifact@v4
        with:
          name: cpython-${{ matrix.python }}-${{ matrix.target_triple }}-${{ matrix.build_options }}
          path: dist/*

      - name: Checkout macOS SDKs for validation
        if: ${{ ! matrix.dry-run }}
        uses: actions/checkout@v4
        with:
          repository: 'phracker/MacOSX-SDKs'
          ref: master
          path: macosx-sdks

      - name: Validate Distribution
        if: ${{ ! matrix.dry-run }}
        run: |
          chmod +x build/pythonbuild

          build/pythonbuild validate-distribution --macos-sdks-path macosx-sdks --run dist/*.tar.zst