∞Using RVM with Vagrant

Use those shell scripts to tell Vagrant to install RVM upon vagrant up and vagrant provision. Note that this will install RVM for the vagrant user.

If you want to perform a multi-user installation then you will need to:

In Vagrantfile: remove privileged: false from the RVM related lines.
In install-ruby.sh: change $HOME/.rvm/scripts/rvm to /usr/local/rvm/scripts/rvm

Vagrantfile:

 config.vm.provision :shell, path: "install-rvm.sh", args: "stable", privileged: false
 config.vm.provision :shell, path: "install-ruby.sh", args: "1.9.3", privileged: false
 config.vm.provision :shell, path: "install-ruby.sh", args: "2.0.0 rails haml", privileged: false

install-rvm.sh:

 #!/usr/bin/env bash

 gpg --keyserver keyserver.ubuntu.com --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
 curl -sSL https://get.rvm.io | bash -s $1

This will automatically install RVM (update if already installed). In case you encounter an issues with importing gpg keys, check security.

install-ruby.sh:

 #!/usr/bin/env bash

 source $HOME/.rvm/scripts/rvm || source /etc/profile.d/rvm.sh

 rvm use --default --install $1

 shift

 if (( $# ))
 then gem install $@
 fi

 rvm cleanup all

This will automatically install Ruby version given as the parameter. Optionally, it can install gems if specified after the version of Ruby.

∞Using RVM with Vagrant

∞Resources