enforce-flow.yml

# This GitHub action enforces that only merges from previous env will be accepted to next env
# for example: only merges from stage will be accepted into main (prod)

name: Enforce Flow

on:
  push:
    branches:
      - main
      - stage
  pull_request:
    branches:
      - main
      - stage

jobs:
  enforce_flow:
    name: Enforce Flow
    runs-on: ubuntu-latest
    steps:
      # This is where we would add a check for merging into stage if we add an environment before stage
      - name: No need to check if merging into stage
        if: github.base_ref == 'stage'
        run: exit 0

      # If merging into main, ensure it is from stage
      - name: Fail if PR is not from stage
        if: github.base_ref == 'main' && github.head_ref != 'stage'
        run: |
          echo "Error: Pull request to main must come from the stage branch."
          echo "This pull request is from ${{ github.head_ref }}"
          exit 1

      - name: Verify if tests passed on stage branch
        run: |
          echo "Checking if Tests passed on stage..."
        if: ${{ github.event.pull_request.head.ref == 'stage' }}
        continue-on-error: false