name: Check Commitizen

on:
  push:
    branches:
      - master
  pull_request:
    types: [opened, synchronize]

jobs:
  check-commitizen:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/$DEFAULT_BRANCH' || github.event_name == 'pull_request'
    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Install commitizen
        run: |
          sudo apt-get update
          sudo apt-get install -y python3-pip
          pip3 install --user commitizen

      - name: Run commitizen check
        run: |
          cz check --message "$MESSAGE" >/tmp/cz_check || true
          grep "successful" /tmp/cz_check

  tag-to-release:
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Install commitizen
        run: |
          sudo apt-get update
          sudo apt-get install -y git python3-pip
          pip3 install --user commitizen

      - name: Clone repository
        run: git clone ${{ github.repository }}

      - name: Move to project directory
        run: cd $(basename ${{ github.repository }})

      - name: Determine changelog
        run: |
          CHANGELOG=$(cz changelog ${{ github.ref }} --dry-run | sed /^Invalid/d)
          echo "::set-env name=CHANGELOG::$CHANGELOG"

      - name: Create release
        run: |
          release-cli create --name ${{ github.ref }} --description "${{ env.CHANGELOG }}" --tag-name ${{ github.ref }}