build.yml

name: Build and Test

on:
  push:
    branches: ['**']
    tags: ['v[0-9]*.[0-9]*.[0-9]*']
    paths-ignore:
      - '**.md'
      - '**.txt'
      - 'LICENSE'
      - '.gitignore'
      - 'docs/**'

jobs:
  build:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Windows x86
            os: windows-latest
            artifact_platform: windows-x86
            cmake_args: -A Win32
            archive_ext: zip

          - name: Windows x64
            os: windows-latest
            artifact_platform: windows-x64
            cmake_args: -A x64
            archive_ext: zip

          - name: macOS Universal
            os: macos-latest
            artifact_platform: macos-universal
            cmake_args: -DCMAKE_OSX_ARCHITECTURES=arm64\;x86_64
            archive_ext: tar.gz

          - name: Linux x86_64
            os: ubuntu-latest
            artifact_platform: linux-x86_64
            cmake_args: ''
            archive_ext: tar.gz

          - name: Linux x86
            os: ubuntu-latest
            artifact_platform: linux-x86
            cmake_args: >-
              -DCMAKE_C_FLAGS=-m32
              -DCMAKE_CXX_FLAGS=-m32
              -DCMAKE_EXE_LINKER_FLAGS=-m32
            extra_packages: gcc-multilib g++-multilib
            archive_ext: tar.gz

          - name: Linux arm64
            os: ubuntu-22.04-arm
            artifact_platform: linux-arm64
            cmake_args: ''
            archive_ext: tar.gz

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install extra packages
        if: matrix.extra_packages != ''
        run: sudo apt-get update && sudo apt-get install -y ${{ matrix.extra_packages }}

      - name: Configure
        run: cmake -B build -DCMAKE_BUILD_TYPE=Release ${{ matrix.cmake_args }}

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

      - name: Test
        run: ctest --test-dir build -C Release --output-on-failure

      # ── Determine archive name (nightly vs. tagged release) ──────────────
      - name: Set archive name
        if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v')
        shell: bash
        run: |
          if [[ "$GITHUB_REF" == refs/tags/* ]]; then
            echo "ARCHIVE_NAME=vorlage-${GITHUB_REF_NAME}-${{ matrix.artifact_platform }}.${{ matrix.archive_ext }}" >> "$GITHUB_ENV"
          else
            echo "ARCHIVE_NAME=vorlage-nightly-${{ matrix.artifact_platform }}.${{ matrix.archive_ext }}" >> "$GITHUB_ENV"
          fi

      # ── Package (Unix) ────────────────────────────────────────────────────
      - name: Package (Unix)
        if: (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v')) && runner.os != 'Windows'
        shell: bash
        run: |
          STAGE=$(mktemp -d)
          cp build/Vorlage/vorlage   "$STAGE/"
          cp build/VPP/vpp           "$STAGE/"
          cp README.md LICENSE       "$STAGE/"
          cp Vorlage/history.txt     "$STAGE/"
          cp config/.*rc             "$STAGE/"
          cp config/*.vms            "$STAGE/"
          tar czf "$ARCHIVE_NAME" -C "$STAGE" .

      # ── Package (Windows) ─────────────────────────────────────────────────
      - name: Package (Windows)
        if: (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v')) && runner.os == 'Windows'
        shell: pwsh
        run: |
          $stage = New-Item -ItemType Directory -Path "$env:RUNNER_TEMP\stage"
          Copy-Item "build\Vorlage\Release\vorlage.exe" $stage
          Copy-Item "build\VPP\Release\vpp.exe"         $stage
          Copy-Item "README.md", "LICENSE"              $stage
          Copy-Item "Vorlage\history.txt"               $stage
          Copy-Item "config\*.cfg"                      $stage
          Copy-Item "config\*.vms"                      $stage
          Compress-Archive -Path "$stage\*" -DestinationPath "$env:ARCHIVE_NAME"

      # ── Upload artifact ───────────────────────────────────────────────────
      - name: Upload artifact
        if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v')
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.artifact_platform }}
          path: ${{ env.ARCHIVE_NAME }}
          retention-days: 14

  # ── Update rolling nightly release (master only) ─────────────────────────
  nightly:
    name: Update Nightly Release
    needs: build
    if: github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Delete existing nightly release and tag
        run: gh release delete nightly --yes --cleanup-tag || true
        env:
          GH_TOKEN: ${{ github.token }}

      - name: Publish nightly release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: nightly
          name: Nightly Build
          prerelease: true
          make_latest: false
          body: "Latest build from the master branch. Updated automatically on every push."
          files: artifacts/**/*

  # ── Create GitHub Release (tags only) ──────────────────────────────────────
  release:
    name: Create Release
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

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

      - name: Create source tarball
        shell: bash
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          git archive \
            --format=tar \
            --prefix="vorlage-${VERSION}/" \
            HEAD \
            | bzip2 -9 > "vorlage-${VERSION}-source.tar.bz2"
          echo "SOURCE_TARBALL=vorlage-${VERSION}-source.tar.bz2" >> "$GITHUB_ENV"

      - name: Publish release
        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: true
          files: |
            artifacts/**/*
            ${{ env.SOURCE_TARBALL }}