Re: [Qemu-devel] [PATCH v4 0/3] chardev: Add -qmp-pretty

[Paolo Bonzini <pbonzini@redhat.com>]

On 28/11/2014 16:55, Markus Armbruster wrote:
> Copying Luiz.
> 
> Max Reitz <mreitz@redhat.com> writes:
> 
>> This series does not add new functionality. Adding a QMP monitor with
>> prettily formatted JSON output can be done as follows:
>>
>> $ qemu -chardev stdio,id=mon0 -mon chardev=mon0,mode=control,pretty=on
>>
>> However, this is rather cumbersome, so this series (its first patch)
>> adds a shortcut in the form of the new command line option -qmp-pretty.
>>
>> Since the argument given to a monitor command line option (such as -qmp)
>> is parsed depending on its prefix and probably also depending on the
>> current phase of the moon, this is cleaner than trying to add a "switch"
>> to -qmp itself (in the form of "-qmp stdio,pretty=on").
> 
> Yet another "convenience" option *groan*
> 
> Why can't we simply make -qmp set pretty=on and be done with it?
> It's a convenience option, i.e. meant for humans, and why would humans
> *not* want pretty=on?

Agreed, it is valid JSON anyway so there is no backwards compatibility
issue.

Paolo