Attended sysupgrade - allow user to select rootfs size in some way

[spence]

I think ASU is being replaced by owut, a new upgrade tool, and is available in OpenWrt v24.10. owut has the ability to specify the root filesystem size as well as many other great features.
See this post for a start for information gathering:

Owut: OpenWrt Upgrade Tool

Here's some details on what I think are interesting features: The --init-script option allows you to specify a uci-defaults script, just like Firmware Selector does with its 'Script to run on first boot (uci-defaults)' input field. LuCI Attended Sysupgrade sort of does this by looking for /rom/etc/uci-defaults/99-asu-defaults and relaying that implicitly, but it doesn't allow you to delete or change what's already there. owut makes this explicit, if you want the script included in your new im…

Look through more of that topic etc for more info.
A link to the openwrt doc wiki page for owut is in the first post of that topic/thread.