[Pkg-raspi-maintainers] Bug#848101: Bug#848101: Bug#848101: cmdline.txt and config.txt overwritten with each initramfs update

[Matthias Luescher]

Hi

I think we should rename our hook from “raspi3-firmware” to
> “50raspi3-firmware”. update-initramfs uses run-parts(8) to invoke hooks, so
> you could then ship a hook with a higher number which would be guaranteed
> to run after the raspi3-firmware hook.
>
> Let me know if that sounds good, and I’ll prepare a package upload.
>

This sounds like a good option. I was also thinking of solutions and my
idea was the following:

Put a template for cmdline.txt and config.txt (e.g cmdline.txt.in and
config.txt.in) somewhere in the /etc folder (e.g. /etc/raspi3-firmware).
Within the template there are keywords that the raspi3-firmware hook (or
better 50-raspi3-firmware) will replace (sed) when it generates the files
for /boot/firmware.

An advanced user can then customize the templates in the /etc folder and
since those are config files the modified templates will not get
overwritten during a package update. Upon the next generation of the config
files the new templates will get applied.

This is still a bit cumbersome compared to the offerings of e.g. grub2. But
I guess it is a (too) big effort to reach the level of grub2.

Best regards
Matthias
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