#!/usr/bin/env sh
#MISE hide=true

set -e

if [ "$#" -gt 0 ]; then
  case "$1" in
  "" | *[!0-9]*)
    echo "id must be a number" >&2
    exit 1
    ;;
  esac
fi

root="${WORKTREES_DIR:-$(dirname "$(jj git root)")/.claude/worktrees}"

if [ "$#" -eq 0 ]; then
  echo "$root"
else
  echo "${root}/ws$1"
fi