name: Check Schema Sync

on:
  pull_request:
    paths:
      - 'schema.prisma'
      - 'litellm/proxy/schema.prisma'
      - 'litellm-proxy-extras/litellm_proxy_extras/schema.prisma'

permissions:
  contents: read

jobs:
  check-sync:
    name: Verify schema.prisma copies match root
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Checkout PR
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          persist-credentials: false

      - name: Reject symlinked schema files
        run: |
          for f in schema.prisma litellm/proxy/schema.prisma litellm-proxy-extras/litellm_proxy_extras/schema.prisma; do
            if [ -L "$f" ]; then
              echo "::error file=$f::$f is a symlink, which is not allowed"
              exit 1
            fi
          done

      - name: Check all schemas match root
        run: |
          EXIT=0

          diff schema.prisma litellm/proxy/schema.prisma || {
            echo "::error file=litellm/proxy/schema.prisma::litellm/proxy/schema.prisma differs from root schema.prisma"
            EXIT=1
          }

          diff schema.prisma litellm-proxy-extras/litellm_proxy_extras/schema.prisma || {
            echo "::error file=litellm-proxy-extras/litellm_proxy_extras/schema.prisma::litellm-proxy-extras/litellm_proxy_extras/schema.prisma differs from root schema.prisma"
            EXIT=1
          }

          if [ "$EXIT" -ne 0 ]; then
            echo ""
            echo "Schema files are out of sync."
            echo "The root schema.prisma is the source of truth."
            echo ""
            echo "To fix, run from the repo root:"
            echo "  cp schema.prisma litellm/proxy/schema.prisma"
            echo "  cp schema.prisma litellm-proxy-extras/litellm_proxy_extras/schema.prisma"
            exit 1
          fi

          echo "All schema copies are in sync with root."