draft-ci.yml

name: Draft CI

permissions: write-all
on:
  pull_request_target:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review

jobs:
  run:
    runs-on: ubuntu-latest
    permissions: write-all
    steps:
      # We want to always create a status, even if the PR is not a draft, so that  
      # if there was a previous `pending` draft status it can get over-written by a
      # `success` when it is ready for review
      - run: |
          curl --request POST \
          --url ${{ github.event.pull_request.statuses_url }} \
          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
          --header 'content-type: application/json' \
          --data '{
            "state": "${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && 'pending' || 'success'}}",
            "context": "Draft CI",
            "target_url": ${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && format('"{0}/commits/{1}"', github.event.pull_request.head.repo.html_url, github.event.pull_request.head.ref) || 'null'}},
            "description": "${{(github.event.action != 'ready_for_review' && github.event.pull_request.draft) && 'use CI on your repo fork (link on right) until this PR is ready for review' || 'PR is ready for review, running CI in Mill repo'}}"
            }' \
          --fail-with-body