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u(niversal )upd(ate)

Small update program written in golang intended for use in Universal Blue, updates flatpak apps, distrobox, brew, bootc and rpm-ostree (as a fallback)

Includes systemd timers and services for auto update

Installation

This will be in the ublue-os/staging COPR, until then you can install from Containerfile:

  COPY --from=ghcr.io/ublue-os/uupd:{FEDORA_MAJOR_VERSION} /rpms /tmp/rpms 
  # You can use dnf5 to install packages on the image instead 
  RUN rpm-ostree install /tmp/rpms/*.rpm

Note If you are on an image derived from uBlue main, you will need to remove or disable automatic updates with rpm-ostreed, to do this, you need to remove or change this line in the config file: AutomaticUpdatePolicy=stage (set to none if you don't want to remove the line)

Command Line

To run a complete system update, it's recommended to use systemd:

$ systemctl start uupd.service

This allows for passwordless system updates (user must be in wheel group)

Run updates from command line (not recommended)

$ sudo uupd

CLI Options

$ uupd --help

Troubleshooting

You can check the uupd logs by running this command:

$ journalctl -exu 'uupd.service'

How do I build this?

  1. just build will build this project and place the binary in output/uupd
  2. sudo ./output/uupd will run an update
  3. You can install this to the system by copying the rules

Devcontainer Usage

  1. When prompted, reopen the repository in Container
  2. Follow above building instructions
  3. Download uupd from container to host and run on your host

FAQ

Q: How do I add my own custom update script?

A: This is meant purely for updating the 'system' components of a Universal Blue image (Distrobox, Flatpak, Bootc, and Brew), anything outside of updating these core components is out of scope