This helps setup and trust a new gemset in a project

init_gemset.rb

#!/usr/bin/env ruby

# example usage: init_gemset mygemset
# to use this setup an alias in your .bash_profile
# 
# #setup new gemset
# function initgemset()
# {
#    local  myresult=`ruby /Users/danmayer/projects/script_helpers/init_gemset.rb $#1`
#    eval "$myresult"
# }
#
# alias init_gemset='initgemset'
#

# puts "creating gemset #{ARGV[0]} and .rvmrc with 'rvm use ree-1.8.7-2011.03@#{ARGV[0]}'"

`rvm use ree`
`rvm gemset create #{ARGV[0]}`
`echo 'rvm use ree-1.8.7-2011.03@#{ARGV[0]}' > .rvmrc`
old_dir = `pwd`.strip
rvmrc_file = "#{old_dir}/.rvmrc"
`rvm rvmrc trust #{rvmrc_file}`

puts "rvm use ree-1.8.7-2011.03@#{ARGV[0]}"