name: Check migration file edited

on:
  pull_request:
    types: [opened, synchronize]
    paths:
      - 'backend/src/db/migrations/**'

jobs:
  rename:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check any migration files are modified, renamed or duplicated.
        run: |
          git diff --name-status HEAD^ HEAD backend/src/db/migrations | grep '^M\|^R\|^C' || true | cut -f2 | xargs -r -n1 basename > edited_files.txt
          if [ -s edited_files.txt ]; then
            echo "Exiting migration files cannot be modified."
            cat edited_files.txt
            exit 1
          fi