Am 06.02.2013 15:56, schrieb Eric Blake: > On 02/06/2013 06:45 AM, Kevin Wolf wrote: >>>> Can you add a space before the '=' while touching this? >>> >>> Perhaps he can, but as this is user-visible output, and we don't yet >>> have a way to force JSON output to get at the same information, >>> arbitrarily changing the output format may break some existing user that >>> is scraping the output. It would be nice if we had access to this >>> output information in a more stable format. >> >> Are you aware of any existing user that makes use of this information? > > Not particularly, which is why I'm okay if we modify the output. I was > just making sure we were thinking about the issue. > >> >> We're going to add JSON output soon (possibly even before this series >> goes in) and scraping the output was never considered right for >> 'qemu-img check'. Also, so far this information only exists for QED >> images, which makes it rather unlikely to be relied on. I think >> modifying it is okay (if it wasn't, we would even have to think twice >> about adding new fields). > > Adding the JSON output will go a long way towards giving us freedom to > rework the human output however we'd like. But even if we don't get > JSON added in time for 1.4, I don't think it is the end of the world for > this particular use case.
Hard freeze for 1.4 was last week, so both this and the JSON output are 1.5 material. Kevin
