helm/install/rvm

#!/bin/zsh

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

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

    echoh "==> 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
    } | indent

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
            echoh "==> Rvm: Updating ruby $v"
            {
                rvm use $v
                gem update --system
                gem update
            } | indent
        done

    # Update system ruby
    echoh "==> Rvm: Updating system ruby"
    {
        rvm use system
        sudo gem update --system
        sudo gem update
    } | indent
fi

echoh "==> Rvm: DONE!"