Re: [GITGRUB] New menu interface (implementation)

[Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>]

Bean wrote:
> On Thu, Oct 29, 2009 at 5:12 AM, Vladimir 'phcoder' Serbinenko
> <phcoder@gmail.com> wrote:
>   
>> Bean wrote:
>>     
>>> Hi,
>>>
>>> Update:
>>>
>>> Add timeout, progressbar and savedefault.
>>>
>>> savedefault:
>>>
>>> Variable savedefault set the system default value. If savedefault=1,
>>> save the current boot item.
>>>
>>> You can also overwrite the default value for individual items, in
>>> menuentry statement --save option always save this item, and --nosave
>>> never save the item. If neither --save nor --nosave is specified, the
>>> system default in savedefault variable is checked.
>>>
>>>
>>>       
>> Why do you need this over having a normal save_env? I don't see any
>> reason to prefer an ad-hoc here over general solution
>>     
>
> Hi,
>
> This is more convenient than adding a save_env command to every entry.
> Users can just set savedefault=1 and all items are saved by default,
> remove it and it's not saved anymore. They can also config each item
> individually with --save and --nosave option, which is similar to
> adding a save_env command at the beginning, but easier to edit.
>
>   
It may be more convinient in this case but when you start adding ad-hoc
structures to any programming languages you end up only clobbering it.
This is why a simple language C became more widespread than clobbered
Ada. If you want to execute code on running entries you will need signals


-- 
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git