add-changelog-snippet.yml

name: Add changelog.d snippet

on:
  # This action should be run in workflows triggered by `pull_request_target`
  # (not by regular `pull_request`!)
  pull_request_target:
    # Run whenever the PR is pushed to, receives a label, or is created with
    # one or more labels:
    types: [synchronize, labeled]

# Prevent the workflow from running multiple jobs at once when a PR is created
# with multiple labels:
concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}
  cancel-in-progress: true

jobs:
  add:
    runs-on: ubuntu-latest
    # Only run on PRs that have the "CHANGELOG-missing" label:
    if: contains(github.event.pull_request.labels.*.name, 'CHANGELOG-missing')
    steps:
      - name: Check out repository
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      - name: Add changelog snippet
        uses: datalad/release-action/add-changelog-snippet@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          rm-labels: CHANGELOG-missing