name: PR Label Validation

on:
  pull_request_target: # zizmor: ignore[dangerous-triggers] no attacker inputs are used here
    types: [opened, labeled, unlabeled, synchronize]

permissions: {}

jobs:
  validate-release-label:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: write
    steps:
      - name: Require PR to have a changelog label
        uses: mheap/github-action-required-labels@388fd6af37b34cdfe5a23b37060e763217e58b03 # v5
        with:
          mode: exactly
          count: 1
          use_regex: true
          labels: 'changelog:.*'
          add_comment: true
          message: 'Label error. Requires {{errorString}} {{count}} of: {{ provided }}. Found: {{ applied }}. A maintainer will add the required label.'