On 9 July 2012 13:07, Eric Blake <ebl...@redhat.com> wrote: > That is, we are filtering based on the explicit presence of a literal > '?' in the help output to determine whether we can further filter based > on '-device device,?' queries without confusing qemu or libvirt; > changing the 'help' output means that old libvirt with new qemu won't > run the extra queries (as if it had been targeting qemu 0.12.x), even > though the older spelling of the query would still work. > > If that is not a concern (that is, if you are willing to state that use > of newer qemu is intended to be coupled with newer libvirt that has been > taught to use 'help' instead of '?'), then this patch is probably fine.
My personal position would be that people who parse -help output deserve to get bitten, but I don't get to make that call :-) -- PMM
