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On Tue, May 1, 2012 at 1:54 PM, Adam Spiers <aspiers at suse.com> wrote:

> Matt Joyce (matt at nycresistor.com) wrote:
> > >  3. I think it would be good if the HIG recommended that, at least
> > >     when subcommands are permitted, single arguments '--help' and
> > >     'help' always generate identical output:
> > >
> > >       https://bugs.launchpad.net/keystone/+bug/936399
> > >       https://review.openstack.org/#/c/6460/
> >
> > Same for Version ( --version )
>
> Good point!  I've added some draft text to the wiki page for that,
> partially pinched from:
>
>
> http://www.gnu.org/prep/standards/standards.html#Command_002dLine-Interfaces
>
> As you can see, the GNU standards go into great detail regarding
> --version; I don't know if we want to be as stringent, particularly
> regarding copyright / license notices, but there's some good food for
> thought there.
>

The version flag is also handled by argparse automatically. We can set the
version string to whatever we want, of course.


>
> > >  5. I think it would be good if the HIG specified what sort of help
> > >     text should be included alongside error messages of (say) the
> > >     "you didn't give the right number of arguments" variety, and
> > >     whether the error message should appear before or after that help
> > >     text.  My vote is after, because it's far easier for the human
> > >     eye to locate the end of a command's output than the beginning,
> > >     especially if the beginning has scrolled off the top of the
> > >     terminal.
> >
> > I wonder if this event tracking is relevant to metering.  At the very
> > least it could be relevant to an audit log / revision history.
> >
> > Curious if that's outside the scope of the CLI.   For one, I believe
> > it would be worthwhile to be able to integrate with the APIs to
> > provide a recall of past events and results.
>
> Agreed - while server-side auditing is a more important component than
> client-side, having both sounds potentially useful to me too.  And
> while it's outside the scope of a CLI HIG discussion, it's
> nevertheless relevant to any work on a unified CLI.
>
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