Note to self: When adding a custom script to initramfs that requires keyboard input and also looks for a USB Yubikey early in the boot process… make sure the keyboard and USB device drivers load BEFORE that script you wrote and inserted. Especially if you also trapped all methods of breaking out of said script.
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@th3j35t3r that would seem like a good thing to note. Especially before it causes any difficulty or frustration 😇