rotini/.github/workflows/ci.yml

name: CI/CD

on:
  push:
    branches:
      main
  pull_request:

env:
  CI: 1

jobs:
  preflight:
    runs-on: ubuntu-latest
    name: Preflight checks
    outputs:
      be_changed: ${{ steps.be-changes.outputs.be_changed }}
      fe_changed: ${{ steps.fe-changes.outputs.fe_changed }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0 
      - name: Change check (frontend)
        id: fe-changes
        run: |
          if [ "${{ github.ref }}" == "refs/heads/main" ] | [ -n "$(git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./.github)" ]
          then
            echo "fe_changed=true" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./frontend
          if [ -n "$(git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./frontend)" ]
          then
            echo "fe_changed=true" >> "$GITHUB_OUTPUT"
          fi
      - name: Change check (backend)
        id: be-changes
        run: |
          if [ "${{ github.ref }}" == "refs/heads/main" ] | [ -n "$(git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./.github)" ]
          then
            echo "be_changed=true" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./backend
          if [ -n "$(git diff --name-only origin/main origin/${GITHUB_HEAD_REF} -- ./backend)" ]
          then
            echo "be_changed=true" >> "$GITHUB_OUTPUT"
          fi
  backend:
    uses: ./.github/workflows/backend-pipeline.yml
    needs: preflight
    if: needs.preflight.outputs.be_changed == 'true'
  frontend:
    uses: ./.github/workflows/frontend-pipeline.yml
    needs: preflight
    if: needs.preflight.outputs.fe_changed == 'true'