zxf-forked-pull-request-closer.yaml

##
# Copyright (C) 2024 Hedera Hashgraph, LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##

name: "ZXF: Forked PR Closer"
on:
  pull_request_target:
    types:
      - opened
      - reopened
      - edited
      - synchronize

defaults:
  run:
    shell: bash

permissions:
  pull-requests: write
  contents: read

jobs:
  close-pull-request:
    name: Close Forked Pull Request
    runs-on: ubuntu-22.04
    if: ${{ github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde # v2.9.1
        with:
          egress-policy: audit

      - name: Checkout Code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Install GH CLI
        uses: sersoft-gmbh/setup-gh-cli-action@2d02c06e284b7d55e954d6d6406e7a886f45a818 # v2.0.1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Authorize GH CLI
        run: echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token

      - name: Close Pull Request
        run: |
          gh pr close ${{ github.event.pull_request.number }} \
            --delete-branch \
            --comment "This pull request was opened from a forked repository and has been closed in accordance with the repository security policies."