UGU – Ubuntu Grab Updates

This project provides a BASH or ZSH script to update an Ubuntu system with support for various features, including manual updates for Firefox, and system maintenance.

Copyright © 2017–2026 Maulik Mistry

This project is licensed under Apache License 2.0. See the LICENSE.txt file for details.

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Why this?

A demonstration of system updates, package management, and scripting in BASH and ZSH — valuable for Ubuntu users and developers alike.

Many Ubuntu users face challenges with automatic updates, especially when using Firefox Snap or Deb installations. This script offers a reliable solution for those who prefer manual installations or need to bypass restrictions imposed by certain distributions.

Features

• Exampled upgrades via release URLs under $HOME/my_applications/$app_name
• Works well for distros that block applications like Firefox in Snap or Deb, or preferring a manual install
• Exampled neovim, fwupdmgr, flatpak, rust toolchain upgrades
• Snap refresh is run first to prevent delays
• APT update/upgrade
• Optional cleanup steps

Setup and Use

1. Clone this repo and make scripts executable:

   git clone --recurse-submodules https://github.com/m1st0/ugu.git ugu
   cd ugu
   

   If the project was already cloned without its submodules:

   git submodule update --init --recursive
   

2. Make the desired scripts executable:

   chmod +x ugu.zsh
   

3. Run the script.

Mozilla (and Zen) Update Strategy

Unlike Snap or Apt installs, this script checks Mozilla’s (Zen's) release site and updates your manually installed Firefox/Thunderbird/Zen if needed. There used to be issues with the Snap and Apt install changes. I have opted for a manual Mozilla product installation, which allows for custom update checks.

Your custom Firefox/Thunderbird/Zen should previously be installed into unless you want to update the script:

$HOME/my_applications/firefox/
$HOME/my_applications/thunderbird/
$HOME/my_applications/zen/

The script will:

• Detect the current version a binary
• Compare it to online Mozilla or Github versions per respective binaries

If AppArmor complains about your custom use of Mozilla apps, check out my apparmor_customizations.