external_pr.yml

name: Validate external Pull Request

on:
  pull_request:
    types: [opened, synchronize, reopened]

env:
  LOCAL_PR: ${{ github.event.pull_request.head.repo.full_name == github.repository }}

jobs:
  variables: # env variables are not accessible through job.if (https://stackoverflow.com/q/73558652)
    runs-on: ubuntu-latest
    outputs:
      LOCAL_PR: ${{ steps.init.outputs.LOCAL_PR }}
    steps:
      - name: Make environment variables global
        id: init
        run: |
          echo "LOCAL_PR=${{ env.LOCAL_PR }}" >> $GITHUB_OUTPUT

  isort:
    needs: variables
    # if PR is external, trigger the tests on push or new PR
    if: ${{ needs.variables.outputs.LOCAL_PR == 'false'}}
    uses: ./.github/workflows/isort.yml
  black:
    needs: variables
    if: ${{ needs.variables.outputs.LOCAL_PR == 'false' }}
    uses: ./.github/workflows/black.yml
  build:
    needs: variables
    if: ${{ needs.variables.outputs.LOCAL_PR == 'false' }}
    uses: ./.github/workflows/build.yml