push_gem.yml

name: Publish gem to rubygems.org

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: read

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

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

    permissions:
      contents: write
      id-token: write

    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@58077d3c7e43986b6b15fba718e8ea69e387dfcc # v2.15.1
        with:
          egress-policy: audit

      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0

      - name: Set up Ruby
        uses: ruby/setup-ruby@d5126b9b3579e429dd52e51e68624dda2e05be25 # v1.267.0
        with:
          bundler-cache: true
          ruby-version: ruby

      - name: Set remote URL
        run: |
          # Attribute commits to the last committer on HEAD
          git config --global user.email "$(git log -1 --pretty=format:'%ae')"
          git config --global user.name "$(git log -1 --pretty=format:'%an')"
          git remote set-url origin "https://x-access-token:${{ github.token }}@github.com/$GITHUB_REPOSITORY"
        shell: bash

      - name: Configure trusted publishing credentials
        uses: rubygems/configure-rubygems-credentials@v1.0.0

      - name: Install dependencies
        run: gem install rake-compiler
        shell: bash

      - name: Run release rake task
        run: rake release
        shell: bash

      - name: Wait for release to propagate
        run: gem exec rubygems-await pkg/*.gem
        shell: bash

      - 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 }}