# Check if .git is a file (worktree) or directory (regular repo)
[ -f .git ] && echo "worktree" || echo "not-worktree"

# Read gitdir and extract root path
GITDIR=$(cat .git | grep "^gitdir:" | sed 's/gitdir: //')
ROOT_REPO=$(echo "$GITDIR" | sed 's/\.git\/worktrees\/.*//')

# Validate: must be a real git repository
if [ -d "${ROOT_REPO}/.git" ]; then
  echo "Valid root: $ROOT_REPO"
else
  echo "Invalid root path - not a git repository"
  exit 1
fi

# IMPORTANT: Always check before copying
if [ -f ./.env ]; then
  echo "WARNING: .env already exists in this worktree"
  # ASK USER before proceeding
fi

if [ -f "${ROOT_REPO}/.env" ]; then
  cp "${ROOT_REPO}/.env" ./.env
  echo "Synced .env from $ROOT_REPO"
else
  echo "No .env found in root repository: $ROOT_REPO"
fi

# Safe env sync with validation
if [ ! -f .git ]; then
  echo "Not a git worktree"
  exit 1
fi

GITDIR=$(cat .git | grep "^gitdir:" | sed 's/gitdir: //')
ROOT=$(echo "$GITDIR" | sed 's/\.git\/worktrees\/.*//')

# Validate root is a git repo
if [ ! -d "${ROOT}/.git" ]; then
  echo "Invalid: $ROOT is not a git repository"
  exit 1
fi

# Check if .env exists at root
if [ ! -f "${ROOT}/.env" ]; then
  echo "No .env in root: $ROOT"
  exit 1
fi

# Check if local .env exists - MUST ASK USER
if [ -f ./.env ]; then
  echo "WARNING: .env already exists here. Ask user before overwriting."
  exit 0
fi

# Safe to copy
cp "${ROOT}/.env" ./.env
echo "Synced .env from $ROOT"