stop_merges.yml

name: Prevent Merges

on:
  pull_request:
    types: [ unlabeled, labeled, opened, synchronize , reopened]

jobs:
  build:
    if: contains(github.event.pull_request.labels.*.name, 'Do Not Merge' )
    runs-on: ubuntu-latest

    steps:
      - name: Raise an Error
        run: exit 1