name: Tag validation

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

jobs:
    tag_validation:
        name: Tag validation
        runs-on: ubuntu-latest
        steps:
            - name: Require Labels
              uses: mheap/github-action-required-labels@v1
              with:
                  mode: exactly
                  count: 1
                  labels: 'major, minor, patch, skip-release'