release.yml

name: Publish Gem
on:
  release:
    types: [created]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: master
      - name: update version
        run: sed -i -r "s/VERSION = \"[0-9a-z.-]+\"\$/VERSION = \"${GITHUB_REF#refs/*/}\"/g" lib/adzerk/version.rb
      - name: push updated version
        run: |
          git config --global user.name 'Kevel CI'
          git config --global user.email 'engineering@kevel.co'
          if git commit -am "Bump version to ${GITHUB_REF#refs/*/}"; then
            git tag --force ${GITHUB_REF#refs/*/}
            git push
            git push --tags --force
          fi
        env:
          GITHUB_TOKEN: ${{secrets.REPO_READ_TOKEN}}
      - name: set up ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '2.6'
      - name: create credentials folder
        run: mkdir -p ~/.gem
      - name: create credentials file
        run: |
          cat << EOF >> ~/.gem/credentials
          ---
          :rubygems_api_key: ${{secrets.RUBYGEMS_API_KEY}}
          EOF

          chmod 0600 ~/.gem/credentials
      - name: update bundler
        run: gem update bundler
      - name: install dependencies
        run: bundle install
      - name: build gem
        run: bundle exec rake build
      - name: publish gem
        run: gem push ./pkg/adzerk-${GITHUB_REF#refs/*/}.gem