Re: RFC: Support Linux command line variants in grub-mkconfig

[Robert Millan]

On Mon, Jan 18, 2010 at 09:03:53PM +0000, Martin Orr wrote:
> I would like to be able to choose between alternative Linux command  
> lines in my GRUB menu (specifically, I want a "selinux=0" option, but I  
> can imagine that people might want other things).  I could add an extra  
> script to /etc/grub.d to do this, but then I have to copy the logic in  
> 10_linux to detect what kernel versions are available, and they do not  
> appear in the correct place in the menu.  It would be simpler if you  
> could specify variant command lines in /etc/default/grub and have them  
> handled automatically in 10_linux.
>
> The attached patch allows (for example) the following configuration in  
> /etc/default/grub:
> GRUB_LINUX_VARIANTS="noselinux kms"
>
> GRUB_CMDLINE_LINUX_noselinux="selinux=0"
> GRUB_LABEL_LINUX_noselinux="SELinux disabled"
>
> GRUB_CMDLINE_LINUX_kms="i915.modesetting=1"
> GRUB_LABEL_LINUX_kms="KMS enabled"
>
> This patch is only intended as a demonstration: various details of the  
> implementation still need to be sorted out, such as  
> internationalization.  Suggestions of wildly different  
> approaches/configuration interfaces are welcome.

I think this is growing severely overengineered.  It is already more
complex than it needs to be.

The scripts in /etc/grub.d *are* config files.  There's no reason you
can't edit them to suit your needs.

-- 
Robert Millan

  "Be the change you want to see in the world" -- Gandhi