release.yml

name: Release

on:
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"

permissions:
  contents: write

jobs:
  validate-version:
    name: Validate version tag
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.extract.outputs.version }}

    steps:
      - uses: actions/checkout@v6

      - name: Extract version from tag
        id: extract
        run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"

      - name: Verify tag matches fallback version.hpp
        run: |
          header_file="lib/include/ds_mysql/version.hpp"
          tag_version="${{ steps.extract.outputs.version }}"

          tag_major="${tag_version%%.*}"
          tag_rest="${tag_version#*.}"
          tag_minor="${tag_rest%%.*}"
          tag_patch="${tag_rest##*.}"

          header_major=$(grep -oP 'static constexpr std::uint32_t major = \K\d+' "$header_file")
          header_minor=$(grep -oP 'static constexpr std::uint32_t minor = \K\d+' "$header_file")
          header_patch=$(grep -oP 'static constexpr std::uint32_t patch = \K\d+' "$header_file")
          header_string=$(grep -oP 'static constexpr std::string_view string = "\K[^"]+' "$header_file")

          echo "Tag version:      $tag_version"
          echo "Header version:   ${header_major}.${header_minor}.${header_patch}"
          echo "Header string:    $header_string"

          if [ "$header_major" != "$tag_major" ] || [ "$header_minor" != "$tag_minor" ] || [ "$header_patch" != "$tag_patch" ] || [ "$header_string" != "$tag_version" ]; then
            echo "::error::Tag version ($tag_version) does not match fallback version.hpp values (${header_major}.${header_minor}.${header_patch}, string=${header_string})"
            exit 1
          fi

      - name: Verify tag matches CMakeLists.txt version
        run: |
          cmake_version=$(grep -m1 'project(DSMySQL' CMakeLists.txt -A5 \
            | grep 'VERSION' \
            | grep -oP '\d+\.\d+\.\d+')
          tag_version="${{ steps.extract.outputs.version }}"
          echo "Tag version:    $tag_version"
          echo "CMake version:  $cmake_version"
          if [ "$tag_version" != "$cmake_version" ]; then
            echo "::error::Tag version ($tag_version) does not match CMakeLists.txt version ($cmake_version)"
            exit 1
          fi

  ci:
    name: CI
    needs: validate-version
    uses: ./.github/workflows/ci.yml

  release:
    name: Create GitHub release
    needs: [validate-version, ci]
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6

      - name: Install CMake (for configure_file)
        run: |
          sudo apt-get update -q
          sudo apt-get install -y software-properties-common ca-certificates gpg wget
          wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc \
            | gpg --dearmor \
            | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg > /dev/null
          echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ noble main' \
            | sudo tee /etc/apt/sources.list.d/kitware.list
          sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
          sudo apt-get update -q
          sudo apt-get install -y cmake libmysqlclient-dev pkg-config g++-15 gcc-15
        env:
          DEBIAN_FRONTEND: noninteractive

      - name: Generate version.hpp
        run: |
          cmake -B _ver_build -DSKIP_DOCKER_MANAGEMENT=ON \
            -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF \
            -DBUILD_INTEGRATION_TESTS=OFF
        env:
          CXX: g++-15
          CC: gcc-15

      - name: Package headers
        id: package
        run: |
          VERSION="${{ needs.validate-version.outputs.version }}"
          ARCHIVE="ds_mysql-v${VERSION}.tar.gz"

          # Merge source headers with generated version override header.
          mkdir -p _dist/ds_mysql
          cp -r lib/include/ds_mysql/. _dist/ds_mysql/
          cp _ver_build/lib/include/ds_mysql/version_generated.hpp _dist/ds_mysql/version_generated.hpp
          rm -f _dist/ds_mysql/version.hpp.in

          tar -czf "$ARCHIVE" -C _dist ds_mysql
          echo "archive=$ARCHIVE" >> "$GITHUB_OUTPUT"

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          name: DSMySQL v${{ needs.validate-version.outputs.version }}
          tag_name: ${{ github.ref_name }}
          generate_release_notes: true
          files: ${{ steps.package.outputs.archive }}