Vagrant ssh-config cache wrapper for IntelliJ Vagrant plugin

vagrant-wrapper.sh

#!/bin/sh

# This script is a quick hack/workaround for
# https://youtrack.jetbrains.com/issue/PY-12711
#
# Open settings and set this script as an alternative to `vagrant` command
# to minimize lag in Vagrant plugin of IntelliJ IDEA (RubyMine, etc.)

VAGRANT="/usr/bin/vagrant"
CACHE_BASE="/tmp/vagrant-ssh-config"
CONFIG_CACHE="$CACHE_BASE.$(pwd | md5)"
if [ "$1" = "ssh-config" ]; then
  if [ ! -e "$CONFIG_CACHE" ]; then
    $VAGRANT "$@" > "$CONFIG_CACHE"
  fi  
  cat "$CONFIG_CACHE"
  exit
elif [ "$1" = "up" ]; then
  rm "$CONFIG_CACHE" 2> /dev/null
fi
$VAGRANT "$@"