name: Refs guard

on:
  # Body edits are load-bearing: #200 gained its accidental closing keyword
  # after the PR opened, with no new commit to wake ordinary CI (#218).
  pull_request:
    types: [opened, edited, reopened, synchronize]

permissions:
  contents: read
  pull-requests: read

jobs:
  refs-not-closing:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: ./actions/refs-not-closing