close-dangling-prs.yml

name: Close dangling PRs

# **What it does**: Searches for specific PRs that have been open for a certain number of days and closes them.
# **Why we have it**: Tidying up so humans don't need to do it.
# **Who does it impact**: docs-engineering

on:
  workflow_dispatch:
  schedule:
    - cron: '20 16 * * *' # Run every day at 16:20 UTC / 8:20 PST
  pull_request:
    paths:
      - .github/workflows/close-dangling-prs.yml
      - src/workflows/close-dangling-prs.ts

permissions:
  contents: read
  pull-requests: write

jobs:
  close-dangling-prs:
    if: github.repository == 'github/docs-internal'
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - uses: ./.github/actions/node-npm-setup

      - name: Close dangling PRs
        env:
          GITHUB_TOKEN: ${{ secrets.DOCS_BOT_PAT_READPUBLICKEY }}
          DRY_RUN: ${{ github.event_name == 'pull_request'}}
        run: npm run close-dangling-prs

      - uses: ./.github/actions/slack-alert
        if: ${{ failure() && github.event_name == 'schedule' }}
        with:
          slack_channel_id: ${{ secrets.DOCS_ALERTS_SLACK_CHANNEL_ID }}
          slack_token: ${{ secrets.SLACK_DOCS_BOT_TOKEN }}