name: PR Checks

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  pull_request:
    branches:
      - main
    paths:
      - 'vk_url_scraper/**'

jobs:
  changelog:
    name: CHANGELOG
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'

    steps:
    - uses: actions/checkout@v1

    - name: Check that CHANGELOG has been updated
      run: |
        # If this step fails, this means you haven't updated the CHANGELOG.md
        # file with notes on your contribution.
        git diff --name-only $(git merge-base origin/main HEAD) | grep '^CHANGELOG.md$' && echo "Thanks for helping keep our CHANGELOG up-to-date!"