bash <(curl -# -L https://gist.github.com/amercier/11366318/raw) <user> <directory>

yeoman-update-generators.sh

#!/usr/bin/env bash

if [ "`whoami`" != "root" ]; then
   echo "You must execute this script as root" >&2
   exit 1
fi

if [ "$1" == "" ]; then
   echo "Syntax: $0 USER DIRECTORY" >&2
   exit 1
fi

if [ "$2" == "" ]; then
   echo "Syntax: $0 USER DIRECTORY" >&2
   exit 1
fi

npm cache clean \
&& sudo -u $1 -i npm cache clean \
&& for g in $(ls "$2" | egrep ^generator- | grep -v playground); do \
  echo ===== $g ===== \
  && cd $2/$g \
  && sudo -u $1 -H npm install \
  && npm link \
  || exit 1; \
done