check-milestone.yaml

# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json

name: Check milestone

permissions: {}

on:
  pull_request:
    branches:
      - main
      - release-*
    types:
      - opened
      - demilestoned
      - milestoned
      - edited
      - synchronize

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check-milestone:
    runs-on: ubuntu-latest
    steps:
      - name: Check milestone
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        with:
          script: |
            const { data } = await github.request("GET /repos/{owner}/{repo}/pulls/{pr}", {
              owner: context.repo.owner,
              repo: context.repo.repo,
              pr: context.payload.pull_request.number
            });
            if (data.milestone) {
              core.info(`This pull request has a milestone set: ${data.milestone.title}`);
            } else {
              core.setFailed(`A milestone need to be set on this pull request.`);
            }