Unprivileged overlayfs is supported since Linux 5.11. The only change needed to get ExtensionDirectories to work is to avoid hard-coding the staging directory to the system manager runtime directory, everything else just works (TM).
Unprivileged overlayfs is supported since Linux 5.11. The only change needed to get ExtensionDirectories to work is to avoid hard-coding the staging directory to the system manager runtime directory, everything else just works (TM).