specify ruby 1.9.3 in bundler for heroku. this requires a Successfully installed bundler-1.2.0.pre

1 gem installed
Installing ri documentation for bundler-1.2.0.pre...
Building YARD (yri) index for bundler-1.2.0.pre...
Installing RDoc documentation for bundler-1.2.0.pre... [ci skip]

.rvmrc

@@ -4,7 +4,7 @@ if [ -e '.rvmrc.local' ]; then
 elif [ -e '.rvmrc_custom' ] ; then
   source .rvmrc_custom;
 else
-  rvm --create use ruby-1.9.2-p290@diaspora
+  rvm --create use ruby-1.9.3-p125@diaspora
 fi
 
 if [ "$(gem --version)" != "1.8.17" ]; then

Gemfile

 source 'http://rubygems.org'
 
+ruby '1.9.3'
+
 gem 'rails', '3.1.4'
 gem 'rails_autolink'
 gem 'bundler', '~> 1.1.0'