Re: [libvirt] [Qemu-devel] Re: Libvirt debug API

On 04/12/2010 07:23 AM, Jamie Lokier wrote: >Daniel Veillard wrote: > >>On Sun, Apr 11, 2010 at 11:17:38PM +0100, Jamie Lokier wrote: >> >>>It's not that hard to write this for trivial extra options: >>> >>> <emulator>/bin/sh -c 'qemu "$0" "$@" -extra-flag'</emulator> >>> >>>(if that works). >>> >> That won't work because we expect the emulator to be a path to >>the emulator program, so yes that has to be done in the wrapper script. >> >Ok. Being able to pass arguments would be about infinitely more >useful, so that you don't need a separate wrapper script for every >individual guest configuration - you can pass options to the single >wrapper for each variation. > >Even<emulator>/path/to/wrapper qemu-0.11</emulator> is a big improvement >over<emulator>/path/to/wrapper-guest-config-6-with-qemu-0.11</emulator> >;-) > >Some simple but versatile hook ideas: > > -<emulator-append-option> (no space splitting, one option, appended) > -<emulator-append-options> (space splitting multiple options) > -<emulator-prepend-option> > -<emulator-prepend-options> > -<emulator-setenv name="NAME">VALUE</emulator-setenv> > I'd strongly suggest not focusing on manipulating command line arguments. I think in the not too distant future, few people will pass command line arguments as opposed to just using configuration files.