helm/install/rvm

#!/bin/zsh

if ! command_exists rvm; then
    # If RVM's not installed, install it and the rubies
    echo-g "==> Rvm: Installing"

    # https://rvm.io
    curl -L https://get.rvm.io | bash -s stable --ruby | indent

    echo-g "==> Rvm: Install rubies"
    # Install rubies and update rubygems
    rvm install 1.9.3
    rvm install 1.8.7-p371

    # But ultimately, the system should be the default
    rvm --default use system

    # A few prerequisites
    sudo gem install bluecloth capistrano bundler colorize

else
    # Otherwise, update it

    # Make sure rvm is sourced properly
    if [ -f ~/.rvm/scripts/rvm ]; then
        [ "$(type rvm | grep function)" ] || source ~/.rvm/scripts/rvm
    fi

        # Update all rubies and rubygems
        for v in 1.9.3 1.8.7; do
            echo-g "==> Rvm: Updating ruby $v"
            rvm use $v
            gem update --system
            gem update
        done

    # Update system ruby
    echo-g "==> Rvm: Updating system ruby"
    rvm use system
    sudo gem update --system
    sudo gem update
fi

echo-g "==> Rvm: DONE!"