samba_backup bug fix, error message enhancements, command line enhancement

[Matthieu Patou]

On 09/25/2013 05:24 PM, Brian Martin wrote:
> I'm a first-time patch submitter, so please guide me if I haven't 
> prepared this properly.
>
> The attached patch updates source4/scripting/bin/backup_samba as follows:
>     - Fix retention period bug when deleting old backups ($DAYS variable
>       could be set, but was ignored).
>     - Allow retention period ("DAYS") to be specified as a command 
> line parameter.
>     - Allow individual positional parameters to be left at the default
>       by specifying "-".
>     - Use IS0 8601 standard dates (yyyy-mm-dd instead of mmddyyyy).
>     - Display tar exit codes when reporting errors.
>     - Don't send error messages to /dev/null, so we know what failed.
>     - Suppress useless tar "socket ignored" message.
>
> Thank you for considering this patch.
>
>                                    -Brian Martin
>
>
Looks good to me too.

Most probably we can merge your 2 patches together ?

Matthieu.