Re: [Qemu-devel] [PATCH 0/7] qemu-img: Fix handling of multiply specified options

[Kevin Wolf]

Am 20.02.2014 um 08:18 hat Markus Armbruster geschrieben:
> Kevin Wolf <address@hidden> writes:
> 
> > If you specify the same option more than once (e.g. -o cluster_size=4k
> > -o lazy_refcounts=on), qemu-img silently ignores all but the last one. This
> 
> Sounds like perfectly common behavior to me.

I guess it depends on the kind of option. For -o it's no less surprising
than 'gcc -Wall -Werror' giving you only -Werror without -Wall.

> > series fixes it to either consider all options or to give an error message.
> 
> Doesn't this break usage like "Compiled-in default is no good for me,
> create wrapper script setting my defaults followed by "$@", then
> override them on command line"?

It does. Would you be happy with a series that accumulates -o options
(like this one does) and leaves the other options alone?

Kevin