loader-check.yaml

name: Check for loader changes
"on":
  pull_request:
    types: [opened, synchronize, reopened, edited]
jobs:
  check_loader_change:
    name: Check for loader changes
    # Ignore loader changes if acknowledged already
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'upgrade-requires-restart') }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source
        uses: actions/checkout@v3

      - name: Check if the pull request changes the loader
        shell: bash --norc --noprofile {0}
        env:
          GH_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          # Get the list of modified files in this pull request
          files=$(gh pr view $PR_NUMBER --json files --jq '.files.[].path')

          # Check for loader changes
          if echo "${files}" | grep -Eq "^src/loader/.+$"; then
            echo "Warning: This PR changes the loader. Therefore, upgrading to the next TimescaleDB"
            echo "version requires a restart of PostgreSQL. Please coordinate the release with the"
            echo "cloud team before merging."
            echo 
            echo "After the release is coordinated, add the 'upgrade-requires-restart' label"
            echo "to the PR to acknowledge this warning."
            exit 1
          fi