Symbolic links Vagrant gems with current directory gems repositories for development.

switch_vagrant_gems

#!/bin/bash

current_dir=`pwd`
gem_dir="$current_dir/gems"

gem_files=()
index=1

echo "Gathering gem repositories from $gem_dir"
for file in "$gem_dir"/*
do
  gem_files[$index]="$file"
  index=$(($index+1))
done

echo 'Switching Vagrant gems with development versions'
for vagrant_gem_file in "$HOME"/.vagrant.d/gems/gems/* 
do
  if [ -e "$vagrant_gem_file" -a "$vagrant_gem_file" != '.' -a "$vagrant_gem_file" != '..' ]
  then
    vagrant_gem_name=`basename "$vagrant_gem_file"`
    
    for gem_file in "${gem_files[@]}"
    do
      gem_name=`basename "$gem_file"`

      if [[ "$vagrant_gem_name" =~ ^$gem_name- ]]
      then
	echo "Switching gem $vagrant_gem_name with $gem_file"
	rm -Rf "$vagrant_gem_file"
	ln -s "$gem_file" "$vagrant_gem_file"
      fi
    done
  fi
done