push_gem.yml

name: Publish gem to rubygems.org

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: read

jobs:
  push:
    if: github.repository == 'shugo/textbringer'
    runs-on: ubuntu-latest

    environment:
      name: rubygems.org
      url: https://rubygems.org/gems/textbringer

    permissions:
      contents: write
      id-token: write

    steps:
      # Set up
      - name: Harden Runner
        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
        with:
          egress-policy: audit

      - uses: actions/checkout@v7

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

      # Release
      - 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 --generate-notes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Purge GitHub cache
        shell: bash
        run: |
          urls=$(curl -sL "https://github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}/tree/main" | grep -Eo "(http|https)://camo.githubusercontent.com[a-zA-Z0-9./?=_%:-]*")
          while IFS= read -r url; do echo -e "\nPurge $url"; curl -X PURGE "$url"; done <<< "$urls"