news-fragment.yml

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---
name: CI

on:  # yamllint disable-line rule:truthy
  pull_request:
    types: [labeled, unlabeled, opened, reopened, synchronize]

jobs:
  check-news-fragment:
    name: Check News Fragment
    runs-on: ubuntu-20.04
    if: "contains(github.event.pull_request.labels.*.name, 'airflow3.0:breaking')"

    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
          # `towncrier check` runs `git diff --name-only origin/main...`, which
          # needs a non-shallow clone.
          fetch-depth: 0

      - name: Check news fragment
        run: >
          python -m pip install --upgrade uv &&
          uv tool run towncrier check
          --dir .
          --config newsfragments/config.toml
          --compare-with origin/${{ github.base_ref }}
          ||
          {
          printf "\033[1;33mMissing significant newsfragment for PR labeled with
          'airflow3.0:breaking'.\nCheck
          https://github.com/apache/airflow/blob/main/contributing-docs/16_contribution_workflow.rst
          for guidance.\033[m\n"
          &&
          false
          ; }