Bug#908200: grub-efi-*-signed: mismatch between /EFI/vendor (used) and /EFI/debian (expected) when derivative uses unmodified Debian binary packages

[Raphael Hertzog]

Control: tags -1 + patch

On Fri, 07 Sep 2018, Raphaël Hertzog wrote:
> The problem seems to come down to the fact that during initial installation,
> (at least) when the install picks the new *-signed packages, they get
> installed to /EFI/kali but the binary installed inside is actually
> expecting the configuration file in /EFI/debian/grub.cfg.

I'm attaching a possible patch. I checked that the package builds, but I
did not test the resulting package.

Since the EFI image hardcodes the patch in the EFI partition, I modified
/etc/default/grub to contain GRUB_BOOTLOADER_ID initialized with the
value of SB_EFI_VENDOR coming from debian/rules. grub-install has been
patched to initialize the default value of its --bootloader-id parameter
with this variable.

I opted to not modify GRUB_DISTRIBUTOR since this contains the
user-visible name of the derivative and we want to keep that obviously.

Cheers,

PS: I pushed my branch here too: https://salsa.debian.org/hertzog/grub
-- 
Raphaël Hertzog ◈ Debian Developer

Support Debian LTS: https://www.freexian.com/services/debian-lts.html
Learn to master Debian: https://debian-handbook.info/get/
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