#!/bin/sh
# btrz-banned-libs-hook-v1
set -eu

DIFF_CONTENT=$(git diff --cached -U0 -- package.json package-lock.json npm-shrinkwrap.json yarn.lock pnpm-lock.yaml 2>/dev/null || true)

if [ -z "$DIFF_CONTENT" ]; then
  exit 0
fi

if printf '%s
' "$DIFF_CONTENT" | rg -q '^\+.*("(lodash|mocha|chai|sinon)"|lodash@|mocha@|chai@|sinon@)'; then
  echo ""
  echo "Commit blocked: adding banned libraries is not allowed (lodash, mocha, chai, sinon)."
  echo "Remove the staged dependency/lockfile additions and retry."
  echo ""
  exit 1
fi