release.yml

---
name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Release version (e.g., 1.12.0)"
        required: true
        type: string

jobs:
  release:
    name: Release v${{ github.event.inputs.version }}
    runs-on: ubuntu-latest
    timeout-minutes: 10

    permissions:
      id-token: write
      contents: write

    steps:
      - uses: actions/checkout@v6
      - uses: ./.github/actions/setup-ruby-and-dependencies
        with:
          ruby-version: "4.0"
          cache-apt-packages: true

      - name: Verify version
        run: |
          GEM_VERSION="${{ github.event.inputs.version }}"
          CODE_VERSION=$(ruby -I lib -r capybara/screenshot/diff/version -e "puts Capybara::Screenshot::Diff::VERSION")
          if [ "$GEM_VERSION" != "$CODE_VERSION" ]; then
            echo "Version mismatch: input=$GEM_VERSION code=$CODE_VERSION"
            exit 1
          fi

      - name: Test
        run: bundle exec rake test:unit

      - name: Create tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "v${{ github.event.inputs.version }}" -m "v${{ github.event.inputs.version }}"
          git push origin "v${{ github.event.inputs.version }}"

      - name: Publish to RubyGems
        uses: rubygems/release-gem@v1

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v3
        with:
          tag_name: "v${{ github.event.inputs.version }}"
          name: "v${{ github.event.inputs.version }}"
          body: |
            ## What's Changed

            See [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/main/CHANGELOG.md#v${{ github.event.inputs.version }}) for full details.

            **Upgrade Guide:** [docs/UPGRADING.md](https://github.com/${{ github.repository }}/blob/main/docs/UPGRADING.md)
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}