build-release.yml

name: Build and Release

on:
  push:
    branches: [main]

jobs:
  # ────────────────────────────────────────────────────────────────────────────
  build:
    name: Build — ${{ matrix.name }}
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: macOS-arm64
            runner: macos-15
            # Override the local 26.2 default set in CMakeLists.txt
            extra_cmake_flags: -DCMAKE_OSX_DEPLOYMENT_TARGET=13.0
            artifact: machinetool-macos-arm64

          - name: Windows-x86_64
            runner: windows-latest
            extra_cmake_flags: ""
            artifact: machinetool-windows-x86_64

          - name: Linux-x86_64
            runner: ubuntu-latest
            extra_cmake_flags: ""
            artifact: machinetool-linux-x86_64

          - name: Linux-arm64
            runner: ubuntu-24.04-arm
            extra_cmake_flags: ""
            artifact: machinetool-linux-arm64

    steps:
      - uses: actions/checkout@v4

      # ── Platform-specific tool setup ──────────────────────────────────────

      - name: Install Ninja (Linux)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y --no-install-recommends ninja-build

      - name: Install Ninja (macOS)
        if: runner.os == 'macOS'
        run: brew install ninja

      - name: Set up MSVC + Ninja (Windows)
        if: runner.os == 'Windows'
        uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: x64

      - name: Install Ninja (Windows)
        if: runner.os == 'Windows'
        run: choco install ninja --no-progress -y

      # ── Configure ─────────────────────────────────────────────────────────

      - name: Configure
        shell: bash
        run: |
          cmake -B build -G Ninja \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX="${{ github.workspace }}/install" \
            ${{ matrix.extra_cmake_flags }}

      # ── Build & install ───────────────────────────────────────────────────

      - name: Build
        run: cmake --build build --config Release -j4

      - name: Install
        run: cmake --install build --config Release

      # ── Package ───────────────────────────────────────────────────────────

      - name: Stage release layout
        shell: bash
        run: |
          STAGE="${{ github.workspace }}/stage"
          mkdir -p "$STAGE"
          # Copy installed subdirs that exist (bin/ and/or lib/ depend on OS)
          for d in bin lib; do
            src="${{ github.workspace }}/install/$d"
            [ -d "$src" ] && cp -r "$src" "$STAGE/$d"
          done
          cp -r models "$STAGE/models"
          cp README.md "$STAGE/README.md"

      - name: Create zip (Unix)
        if: runner.os != 'Windows'
        run: |
          cd "${{ github.workspace }}/stage"
          zip -r "${{ github.workspace }}/${{ matrix.artifact }}.zip" .

      - name: Create zip (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          Compress-Archive -Path "${{ github.workspace }}\stage\*" `
            -DestinationPath "${{ github.workspace }}\${{ matrix.artifact }}.zip"

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.artifact }}
          path: ${{ matrix.artifact }}.zip
          retention-days: 1

  # ────────────────────────────────────────────────────────────────────────────
  release:
    name: Create Release
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts
          merge-multiple: false

      - name: Compute tag and title
        id: meta
        run: |
          VERSION=$(grep -m1 'project.*VERSION' CMakeLists.txt \
            | sed 's/.*VERSION \+\([0-9][0-9.]*\).*/\1/')
          SHORT_SHA="${GITHUB_SHA::8}"
          echo "tag=v${VERSION}-build.${GITHUB_RUN_NUMBER}" >> "$GITHUB_OUTPUT"
          echo "title=v${VERSION} (build #${GITHUB_RUN_NUMBER} · ${SHORT_SHA})" >> "$GITHUB_OUTPUT"

      - name: Publish release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.meta.outputs.tag }}
          name: ${{ steps.meta.outputs.title }}
          body: |
            Automated build from [`${{ github.sha }}`](${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}) on branch `${{ github.ref_name }}`.

            | Artifact | Platform |
            |----------|----------|
            | `machinetool-macos-arm64.zip` | macOS arm64 |
            | `machinetool-windows-x86_64.zip` | Windows x86_64 |
            | `machinetool-linux-x86_64.zip` | Linux x86_64 |
            | `machinetool-linux-arm64.zip` | Linux arm64 |
          files: artifacts/**/*.zip
          fail_on_unmatched_files: true