name: Publish Gem

on:
  push:
    tags:
      - '*'

env:
  RUBYGEMS_USER: ${{ secrets.RUBYGEMS_USER }}
  RUBYGEMS_PASSWORD: ${{ secrets.RUBYGEMS_PASSWORD }}

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Set up Ruby
        uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
        with:
          ruby-version: '2.7'

      - name: Publish gem
        run: |
          curl -u $RUBYGEMS_USER:$RUBYGEMS_PASSWORD https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials
          chmod 0600 ~/.gem/credentials
          make push
        env:
          RUBYGEMS_USER: ${{ secrets.RUBYGEMS_USER }}
          RUBYGEMS_PASSWORD: ${{ secrets.RUBYGEMS_PASSWORD }}