publishing_sift_ruby.yml

name: Build and Publish Gem
on:
  release:
    types: [published]

env:
  GH_TOKEN: ${{ github.token }}

jobs:
  build_and_publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 2.7
      - name: Install Bundler
        run: |
          sudo gem install bundler
          bundle install
      - name: Build and push gem
        run: |
          mkdir -p $HOME/.gem
          touch $HOME/.gem/credentials
          chmod 0600 $HOME/.gem/credentials
          printf -- "---\n:rubygems_api_key: ${{ secrets.GH_RGEMS_KEY }}\n" > $HOME/.gem/credentials
          version=$(awk -F'"' '/ VERSION = / {print $2}' < lib/sift/version.rb)
          all_versions=$(gem list -r -e --all sift --no-verbose)
          if [[ $all_versions != *"$version"* ]]; then
              echo "Gem version does not exist on RubyGems. Building and pushing!"
              gem build sift.gemspec
              gem push sift-$version.gem
              rm -rf $HOME/.gem
          else
              echo "Gem version $version exists on RubyGems"
          fi