check-pr.yml

name: Check PRs

on:
  pull_request:
    types:
      - labeled
      - unlabeled
      - opened
      - reopened
      - ready_for_review
      - synchronize

jobs:
  get_versions:
    name: Get versions
    runs-on: ubuntu-latest
    outputs:
      versions: ${{ steps.versions.outputs.versions }}
    steps:
    - name: Get versions from labels
      id: versions
      env:
        LABELS: ${{ toJson(github.event.pull_request.labels.*.description) }}
      run: echo "versions=$(echo $LABELS | jq -c '[.[] | select(. != null and (startswith("snapshot/") or startswith("pre/") or startswith("release/")))]')" >> "$GITHUB_OUTPUT"
  check:
    needs: get_versions
    if: ${{ needs.get_versions.outputs.versions != '[]' }}
    strategy:
      matrix:
        version: ${{ fromJson(needs.get_versions.outputs.versions) }}
    uses: './.github/workflows/check.yml'
    with:
      version: ${{ matrix.version }}
      push_changed: false
      publish: false
      # Publishing of PRs will only work correctly if we're only building a single one
      # NOTE: There is no way to get the length of an array in Github Actions Expressions
      # So the heuristic is: If it contains a comma, it's a list with more than one element.
      publish_prs: ${{ !contains(needs.get_versions.outputs.versions, ',') }}