publish-gem.yml

name: Publish Ruby Gem

on:
  # Manually publish
  workflow_dispatch:
  # Changes to just-the-cards.gemspec
  push:
    paths:
      - 'just-the-cards.gemspec'

jobs:
  build:
    name: Build + Publish
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - uses: actions/checkout@v3
      - name: Set up Ruby 2.6
        uses: ruby/setup-ruby@477b21f02be01bcb8030d50f37cfec92bfa615b6
        with:
          ruby-version: 2.6
      - run: bundle install

      - name: Publish to RubyGems
        run: |
          mkdir -p $HOME/.gem
          touch $HOME/.gem/credentials
          chmod 0600 $HOME/.gem/credentials
          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
          gem build just-the-cards.gemspec --output=release.gem 
          gem push release.gem
        env:
          GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"