name: Pre-merge check

on: 
  pull_request:
    branches:
      - main
    types: [opened, reopened, synchronize, labeled]

jobs:
  check_pull_request_label:
    name: Check pull request label
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Check for the PR label
        id: label
        uses: zwaldowski/match-label-action@v4
        with:
          allowed: major,minor,patch