#!/bin/bash
# Pre-commit hook: block direct modifications to core/ subtree
if git diff --cached --name-only | grep -q '^core/'; then
  echo '=========================================='
  echo 'ERROR: Do not modify core/ directly!'
  echo 'Make changes in ems-core repo instead.'
  echo 'Then run: git subtree pull --prefix=core ems-core main --squash'
  echo '=========================================='
  exit 1
fi