name: Publish gem to rubygems.org

on:
  push:
    tags:
      - v*

jobs:
  push:
    if: github.repository == 'ruby/net-imap'
    runs-on: ubuntu-latest

    permissions:
      id-token: write # mandatory for trusted publishing
      contents: write # required for `rake release` to push the release tag

    environment:
      name: RubyGems
      url: https://rubygems.org/gems/net-imap

    steps:
      - uses: actions/checkout@v4

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true
          ruby-version: 3.2

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

      - name: Create GitHub release
        run: |
          tag_name="$(git describe --tags --abbrev=0)"
          gh release create "${tag_name}" --verify-tag --draft --generate-notes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}