So I did not find any `set -u` in flash-kernel. There exist 2 hooks that are called when the kernel and initramfs are modified but they are not sourced: they are considered as binaries. So that should not be a problem.
So I did not find any `set -u` in flash-kernel. There exist 2 hooks that are called when the kernel and initramfs are modified but they are not sourced: they are considered as binaries. So that should not be a problem.