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Re: grub-shell: Pass -no-pad to xorriso when building floppy images

From: Thomas Schmitt
Subject: Re: grub-shell: Pass -no-pad to xorriso when building floppy images
Date: Thu, 16 Jan 2014 20:43:54 +0100


> I think it is enough to say that everything after first "--" is passed
> onto xorriso. The fact that second "--" will enter native xorriso is
> documented in xorriso manual; anyone who would like to make use of this
> feature probably knows it.

This becomes quite confusing by the fact that even before the
first "--" the non-dashed arguments are interpreted as options
of xorriso's mkisofs emulation.
(I understand this from the interaction via ARGP_KEY_ARG
 between util/grub-mkrescue.c and grub-core/gnulib/argp-parse.c)

I would prefer to see a short mentioning that "--" has a special
meaning for the mkisofs emulation too, and that the first "--"
will not reach xorriso.

But again: Is this substantial change of user interface intentional ?

It makes the first "--" mandatory if any of xorriso's dashed
arguments shall be used. This demand is new and surprising.

Have a nice day :)


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