rbenv_upgrade.sh

#!/bin/sh

set -e # Exit script immediately on first error.
set -x # Print commands and their arguments as they are executed.

# Update Debian package index.
sudo apt-get update -y

# Install required Debian packages.
sudo apt-get upgrade -y

# Get and install rbenv from GitHub
# rm -rf ~/.rbenv
cd ~/.rbenv && git pull

# Get and install ruby-build from GitHub
cd ~/.rbenv/plugins/ruby-build && git pull

rbenv rehash