Lbry-desktop: Autoupdate support for AUR and Flatpak

[tzarebczan]

The Issue

We have community maintained builds for AUR and Flatpak(https://flathub.org/apps/details/io.lbry.lbry-app) packages. The current auto update process for Linux only supports Debs and will trigger a download and install even on AUR/Flatpak builds.

This issue to do handle update notifications for AUR and Flatpak installs. The updater could simply tell the user which command to run in order to update when one is available. It should probably look at the version numbers in the respective community maintained repos.

The LBRY team is looking for a community contributor to take on this effort if they feel strongly about supporting additional Linux install processes. It may also be a possibility to work auto update into electron-builder, which only currently supports snaps.

System Configuration

Anything Else

Screenshots

Acceptance Criteria

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Definition of Done

• [ ] Tested against acceptance criteria
• [ ] Tested against the assumptions of the user story
• [ ] The project builds without errors
• [ ] Unit tests are written and passing
• [ ] Tests on devices/browsers listed in the issue have passed
• [ ] QA performed & issues resolved
• [ ] Refactoring completed
• [ ] Any configuration or build changes documented
• [ ] Documentation updated
• [ ] Peer Code Review performed

[kauffj]

@tzarebczan @alyssaoc do we need an epic related to this? At a minimum, the copy on the linux download partial for lbry.io and the lbry-desktop readme ought to be updated.

[tzarebczan]

The readme is updated. I think we should link to that readme section from the lbry.io linux download page, as opposed to the download links themselves.

[kauffj]

@tzarebczan I support that choice.