Bug#925134: Bug#924151: grub2-common: wrong grub.cfg for efi boot and fully encrypted disk

[Chris Hofstaedtler]

* Colin Watson <cjwatson at debian.org> [190406 19:50]:
> Hmm.  I tried doing that in a virt-manager VM as follows:
> 
>  * started with a buster alpha-5 netinst ISO rather than the full DVD
>    image, since my bandwidth is very limited
>  * configured VM to use UEFI
>  * guided partitioning; selected full-disk encryption; deleted /boot
>    partition; accepted all other defaults
>  * waited for grub-installer to fail, then appended
>    GRUB_ENABLE_CRYPTODISK=y to /target/etc/default/grub and tried again
>  * ran into #918590 and mounted /target/run to work around it

FTR, I've tried this as well, and found it to work.
Now both bug reports hint at upgrading packages, but my reproduction
try did not need any upgrades as it was a fresh install. So maybe
the key lies there...

Cheers,
Chris