datadog_service_catalog_warn_delete.yml

name: Warn PR if it deletes a DataDog Service Catalog File
on:
  pull_request:

jobs:
  warn_if_deleting:
    name: 'Check and warn'
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ github.token }}
    steps:
      - name: 'Checkout repo'
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - id: one
        name: 'Check for deleted DataDog service files'
        run: |
          git fetch origin master
          arr=$(jq -ncR '[inputs]' <<< $(git diff --diff-filter=D --name-only origin/master.. -- "datadog-service-catalog/**.yml"))
          out=$(echo $arr | jq '.[] | select(. !="datadog-service-catalog/datadog-service-catalog.yml") | [.] | map(select(length > 0)) | . != []')
          echo "needs_comment=$out" >> $GITHUB_OUTPUT
      - id: two
        if: steps.one.outputs.needs_comment == 'true'
        name: 'Comment on PR if deleting a DataDog Service file'
        run: |
          echo ${{steps.one.outputs.needs_comment}}
          message="You are deleting a Datadog Service Definition file in this PR. If this change is merged to the main branch, that entry will be automatically deleted from the Datadog service catalog. Please ensure that this removal is intended."
          posted_already=$(gh pr view ${{github.event.number}} -c --json comments | jq -r --arg message "$message" '.[] | map(.body==$message) | index(true) != null')
          if [ $posted_already = "false" ]; then
            echo "Warning PR of DataDog Service File Deletion"
            gh pr comment ${{github.event.number}} --body "$message"
          else
            echo "PR has already been warned"
          fi