[PATCH] commands: saveenv: Fix comment about directories in help text

[Sascha Hauer]

On Fri, Aug 01, 2014 at 08:45:04AM +0200, Alexander Aring wrote:
> Hi Sascha,
> 
> On Fri, Aug 01, 2014 at 08:17:10AM +0200, Sascha Hauer wrote:
> > envfs indeed handles directories, at least since 2007:
> > 
> > | commit 913691eccd13c1509470eb8b059aa0beecc6d8d8
> > | Author: Sascha Hauer <s.hauer at pengutronix.de>
> > | Date:   Tue Sep 25 12:58:52 2007 +0200
> > |
> > |     add directory handling for environment
> > 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> >  commands/saveenv.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> > 
> > diff --git a/commands/saveenv.c b/commands/saveenv.c
> > index 31d6951..9da733e 100644
> > --- a/commands/saveenv.c
> > +++ b/commands/saveenv.c
> > @@ -60,8 +60,7 @@ BAREBOX_CMD_HELP_TEXT("Save the files in DIRECTORY to the persistent storage dev
> >  BAREBOX_CMD_HELP_TEXT("")
> >  BAREBOX_CMD_HELP_TEXT("ENVFS is usually a block in flash but can be any other file. If")
> >  BAREBOX_CMD_HELP_TEXT("omitted, DIRECTORY defaults to /env and ENVFS defaults to")
> > -BAREBOX_CMD_HELP_TEXT("/dev/env0. Note that envfs can only handle files, directories are being")
> > -BAREBOX_CMD_HELP_TEXT("skipped silently.")
> > +BAREBOX_CMD_HELP_TEXT("/dev/env0.")
> 
> but envfs can't handle directories which are empty while saving? :-)
> Maybe we should add this as note or support empty directories.

I think we should add some more general docs how the environment works.
That would be a more appropriate place to add this note. Otherwise we
would have to add it to loadenv aswell.

Sascha

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