Re: [RFC] Support for UEFI ESP in os-prober

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

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On 05.06.2013 19:58, Andrey Borzenkov wrote:
> В Wed, 05 Jun 2013 12:21:54 -0500
> Bruce Dubbs <bruce.dubbs@gmail.com> пишет:
> 
>> Mads Kiilerich wrote:
>>> On 05/31/2013 07:03 PM, Bruce Dubbs wrote:
>>>> Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>>>>
>>>>> I must say I'm generally disappointed with os-prober and have
>>>>> ideas to move away from it. I'll start another topic for it.
>>>>
>>>> I agree.  I would prefer adding an include command so grub.cfg could
>>>> just do something like:
>>>>
>>>> include /boot/grub/grub.d/*.cfg
>>>>
>>>> and have an install procedure drop in one or more menu items instead
>>>> of every os install or update rewriting the entire grub.cfg every time.
>>>
>>> http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec/ describes
>>> such a configuration structure, and
>>> http://pkgs.fedoraproject.org/cgit/grub2.git/plain/0362-blscfg-add-blscfg-module-to-parse-Boot-Loader-Specif.patch
>>> implements it as a grub command.
>>
>> Although that's a good start, it seems a little too specific.  What I 
>> had in mind would be the equivalent to the source command in bash.
> 
> grub already has "source" command.
> 
>>                                                                    For 
>> example,
>>
>> if condition; then
>>    include (hd0,3)/grub/custom/themes/themeA.cfg
>> else
>>    include (hd0,2)/boot/grub/themes/themeB.cfg
>> fi
>>
>> # Get menuentries
>> include /boot/grub/grub.d/*.cfg
>>
> 
> Implementing full-fledged globbing in grub is probably overkill; adding
> "source_dir" command looks more doable. Something like
> 
We already have globbing. Trouble with this approach is that ->dir
method may be slow or (especially on network systems) absent. It should
not be relied upon unless absolutely necessary.
> source_dir --suffix .cfg /boot/grub/grub.d 
> 
> Any takers? :)
> 
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