version-label-check.yml

name: Restrict Merge Without Version Label

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

jobs:
  check_version_label:
    runs-on: ubuntu-latest

    steps:
      - name: Check if version label is assigned
        run: |
          PR_NUMBER=$(jq -r ".pull_request.number" "$GITHUB_EVENT_PATH")
          LABELS=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
                     "https://api.github.com/repos/${{ github.repository }}/issues/${PR_NUMBER}/labels" \
                     | jq -r '.[].name')

          if [[ ! "$LABELS" =~ ^(minor|major|patch)$ ]]; then
            echo "Error: A version label (minor, major, or patch) is required for merging this PR."
            exit 1
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}