[U-Boot] [RFC] env: Group environment variables

[Mike Frysinger <vapier@gentoo.org>]

On Wednesday 04 November 2009 13:17:12 John Schmoller wrote:
> On Wed, 2009-11-04 at 13:55 -0400, Mike Frysinger wrote:
> > On Wednesday 04 November 2009 11:34:12 John Schmoller wrote:
> > > This patch groups environment variables using a non-invasive protocol.
> > > Grouping is achieved by setting a "grouping" variable to a string of
> > > variables, and setting the master grouping variable, "env_groups" to
> > > the list of these grouping variables.
> > >
> > > For instance,
> > > setenv net ipaddr netmask gatewayip serverip
> > > setenv boot bootcmd bootdelay bootargs
> > > setenv env_groups net boot
> > >
> > > would print 4 variables grouped under net, 3 variables grouped under
> > > boot, and the rest of the variables grouped under "other". If
> > > env_groups is not defined, print behaves normally.
> > >
> > > Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
> > > ---
> > > I'm interesetd in seeing peoples opinions of this implementation of
> > >  grouping environment variables.  My major concerns about this
> > >  implementation are
> >
> > my main concern is bloat.  while i guess it would make nicer `printenv`,
> > i'm not going to use it.  so please put it behind a config option so it
> > doesnt waste space on all boards.
> 
> I can certainly do that.  It is a requested feature on the U-Boot task
> list[1], so I didn't think that was needed, but I'll do it if that's
> what people want.

sure, i'm not saying people other than me dont want it, just that i dont think 
it's something you can call "core required functionality".  Wolfgang's call of 
course, but i'd like to see it behind a CONFIG (preferably disabled by 
default).
-mike
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