Re: [BUG] GRUBs option parsing needs fixing

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 08.03.2012 16:28, Lennart Sorensen wrote:
> On Thu, Mar 08, 2012 at 04:18:05PM +0100, Vladimir 'φ-coder/phcoder' Serbinenko 
> wrote:
> > We don't have to recreate whole GNU in GRUB either, we don't write
> > an OS but a bootloader. In particular having -xfoo for isn't
> > necessarry and moreover it will conflict with
> > search -su<UUID>
> So a 'short' option that looks like a 'long' option?
>
> Or is that -s and -u together?
It's -s and -u together and so -s has no argument. With Andreas 
proposition "u" would be the argument
> Options can get confusing at times?
>
> > which is already used in the wild.
> > The case of --long-option optional argument can be changed
> > especially taking into account migration from 1.98 but -xfoo is
> > probably out of the question.
> I don't see how -xfoo where foo is a parameter for -x can work if you
> support multiple short options being merged (which seems common in
> GNU programs).
You can if when encountering an option needing parameter you parse the 
rest as parameter. But then again optional parameter are tricky.
Behaviour similar to other GNU is important but compatibility with 
previous version of GRUB is more so, especially when it comes to the 
rarely used features like -xfoo.


--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko