update_credits.yml

name: Update Credits upon opening PR

on:
  pull_request:
    types:
      - opened
      - synchronize

jobs:
  update-credits:
    runs-on: ubuntu-latest

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

      - name: Update Credits
        run: |
          contributor_name=$(jq -r '.pull_request.user.login' $GITHUB_EVENT_PATH)
          pr_description=$(jq -r '.pull_request.body' $GITHUB_EVENT_PATH)
          
          echo "### Timestamp:" >> .github/credits.md
          echo "$(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> .github/credits.md
          echo "### Contributor:" >> .github/credits.md
          echo "${{ github.event.pull_request.user.login }}" >> .github/credits.md
          echo "#### PR Title:" >> .github/credits.md
          echo "${{ github.event.pull_request.title }}" >> .github/credits.md
          echo "############################################" >> .github/credits.md
          
          git add .github/credits.md
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git commit -m "Update credits.md with contributor information" || exit 0
          git push origin HEAD:<name-of-remote-branch>
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}