The terminal version would continue to run
dialog. When X is available, it would use
gdialog by default [+ option to use
You can test how
gdialog looks by copying and pasting this example code.
gdialog --cancel-label Exit --title whonix_repository --menu 'Automatically install updates from the Whonix team? Whonix News (via whonixcheck) will notify you of available updates. When you run apt-get dist-upgrade updates from the Whonix team will be AUTOMATICALLY downloaded and installed, along with updates from the Debian team. Please read https://whonix.org/wiki/Trust to understand the risks. You can always start the Whonix Repository Tool again by running: sudo whonix_repository ' 100 120 20 1 'Yes. Automatically install updates from the Whonix team.' 2 'No. I will manually update from source code.'
(for comparison: drop the “g” or sudo whonix_repository)
I haven’t looked too throughly into it yet, but I think it would be doable with relatively low effort, because those tools are compatible by syntax(? to be researched more throughly].
The question for now is… Do you like the graphics or do you prefer as is?