#!/usr/bin/env zsh
  # Keeps track of the last used working directory and automatically jumps
  # into it for new shells.
  
  # Flag indicating if we've previously jumped to last directory.
  typeset -g ZSH_LAST_WORKING_DIRECTORY
  mkdir -p $ZSH_CACHE_DIR
  cache_file="$ZSH_CACHE_DIR/last-working-dir"
  
  # Updates the last directory once directory is changed.
  function chpwd() {
    # Use >| in case noclobber is set to avoid "file exists" error
  	pwd >| "$cache_file"
  }
  
  # Changes directory to the last working directory.
  function lwd() {
  	[[ ! -r "$cache_file" ]] || cd `cat "$cache_file"`
  }
  
  # Automatically jump to last working directory unless this isn't the first time
  # this plugin has been loaded.
  if [[ -z "$ZSH_LAST_WORKING_DIRECTORY" ]]; then
  	lwd 2>/dev/null && ZSH_LAST_WORKING_DIRECTORY=1 || true
  fi