#!/usr/bin/env bash
# install-hooks.sh — installs git hooks that enforce repo guardrails locally.
# Idempotent. Safe to re-run.

set -euo pipefail
REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
HOOKS_DIR="$REPO_ROOT/.git/hooks"
SRC_DIR="$REPO_ROOT/scripts/githooks"

if [[ ! -d "$REPO_ROOT/.git" ]]; then
  echo "Not a git repository: $REPO_ROOT" >&2
  exit 1
fi

mkdir -p "$HOOKS_DIR"
for hook in pre-commit; do
  src="$SRC_DIR/$hook"
  dst="$HOOKS_DIR/$hook"
  if [[ -f "$src" ]]; then
    cp "$src" "$dst"
    chmod +x "$dst"
    echo "installed: $dst"
  fi
done

echo "Done. Hooks active for this clone."