check_author_commits.yml

name: Check Commit Author
on: push
jobs:
  author-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1  # only fetches the latest commit

      - name: Verify current commit author
        run: |
          # List of banned authors and emails
          banned_authors=("linus torvalds" "satoshi nakamoto" "elon musk")
          banned_emails=("torvalds@linux-foundation.org" "satoshi@bitcoin.org" "elon@spacex.com")

          # Get author name and email for the current commit only
          author=$(git show -s --format='%an' ${{ github.sha }})
          email=$(git show -s --format='%ae' ${{ github.sha }})

          # Check banned authors
          for banned in "${banned_authors[@]}"; do
            if [[ "${author,,}" == "${banned,,}" ]]; then
              echo "Blocked: Commit attributed to banned author '$banned'."
              exit 1
            fi
          done

          # Check banned emails
          for banned in "${banned_emails[@]}"; do
            if [[ "${email,,}" == "${banned,,}" ]]; then
              echo "Blocked: Commit attributed to banned email '$banned'."
              exit 1
            fi
          done

          echo "Author check passed. No banned commit author found."