enforce-pullrequest-rules.yaml

# This workflow enforces on every pull request that the PR is not based against master,
# taken from https://github.com/oppia/oppia-android/blob/develop/.github/workflows/static_checks.yml

name: "Enforce Pull-Request Rules"

permissions:
  contents: read

on:
  pull_request:
  push:
    branches-ignore:
      - develop
      - master

jobs:
  check:
    runs-on: ubuntu-slim
    if: github.event_name == 'pull_request'
    timeout-minutes: 10
    steps:
      - name: "Branch is not based on develop"
        if: ${{ github.base_ref != 'develop' && !contains(github.event.pull_request.labels.*.name, 'mastermerge') }}
        run: |
          echo "Current base branch: $BASE_BRANCH"
          echo "Note: PRs should only ever be merged into develop so please rebase your branch on develop and try again."
          exit 1
        env:
          BASE_BRANCH: ${{ github.base_ref }}