release.yml

---
name: Release

on:
  workflow_dispatch:
  push:
    tags: ["v*"]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  ci-data:
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.fetch.outputs.result }}
    steps:
      - id: fetch
        uses: oxidize-rb/actions/fetch-ci-data@v1
        with:
          supported-ruby-platforms: |
            # Excluding:
            # `arm-linux`: Cranelift doesn't support 32-bit architectures
            # `x64-mingw32`: `x64-mingw-ucrt` should be used for Ruby 3.1+ (https://github.com/rake-compiler/rake-compiler-dock?tab=readme-ov-file#windows)
            # 3.0 is deprecated as stable ruby version according to:
            #  https://github.com/oxidize-rb/actions/blob/main/fetch-ci-data/evaluate.rb#L54
            exclude: [arm-linux, x64-mingw32]
          stable-ruby-versions: |
            exclude: [head]

  build:
    name: Build native gems
    needs: ci-data
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        ruby-platform: ${{ fromJSON(needs.ci-data.outputs.result).supported-ruby-platforms }}
    steps:
      - uses: actions/checkout@v4

      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.4"

      - uses: oxidize-rb/actions/cross-gem@v1
        id: cross-gem
        with:
          platform: ${{ matrix.ruby-platform }}
          ruby-versions: ${{ join(fromJSON(needs.ci-data.outputs.result).stable-ruby-versions, ',') }}

      - uses: actions/upload-artifact@v4
        with:
          name: cross-gem-${{ matrix.ruby-platform }}
          path: pkg/*-${{ matrix.ruby-platform }}.gem
          if-no-files-found: error

      - name: Smoke gem install
        if: matrix.ruby-platform == 'x86_64-linux' # GitHub actions architecture
        run: |
          gem install pkg/wasmtime-*.gem --verbose
          script="puts Wasmtime::Engine.new.precompile_module('(module)')"
          ruby -rwasmtime -e "$script" | grep wasmtime.info
          echo "✅ Successfully gem installed"

  release:
    name: Release
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: oxidize-rb/actions/setup-ruby-and-rust@v1
        with:
          ruby-version: "3.4"
          bundler-cache: true
          cargo-cache: true
          cache-version: v1

      - uses: actions/download-artifact@v4
        with:
          pattern: cross-gem-*
          merge-multiple: true
          path: pkg/

      - name: Package source gem
        run: bundle exec rake pkg:ruby

      - name: Ensure version matches the tag
        run: |
          GEM_VERSION=$(grep VERSION lib/wasmtime/version.rb | head -n 1 | cut -d'"' -f2)
          if [ "v$GEM_VERSION" != "${{ github.ref_name }}" ]; then
            echo "Gem version does not match tag"
            echo "  v$GEM_VERSION != ${{ github.ref_name }}"
            exit 1
          fi

      - name: Push Gem
        working-directory: pkg/
        env:
          GEM_HOST_API_KEY: ${{ secrets.RUBYGEMS_KEY }}
        run: |
          mkdir -p $HOME/.gem
          touch $HOME/.gem/credentials
          chmod 0600 $HOME/.gem/credentials
          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
          ls -l
          for i in *.gem; do
            if [ -f "$i" ]; then
              if ! gem push "$i" >push.out; then
                gemerr=$?
                sed 's/^/::error:: /' push.out
                if ! grep -q "Repushing of gem" push.out; then
                  exit $gemerr
                fi
              fi
            fi
          done

      - name: Create GitHub release
        uses: ncipollo/release-action@v1
        with:
          allowUpdates: true
          generateReleaseNotes: true
          draft: true
          omitBodyDuringUpdate: true
          omitNameDuringUpdate: true
          omitPrereleaseDuringUpdate: true
          skipIfReleaseExists: true