[pve-devel] applied: [PATCH common] get_options: allow optional arguments "arg_params" if no ambiguity

[Thomas Lamprecht]

On 26.08.20 21:27, Thomas Lamprecht wrote:
> If we run out of passed arguments from the user but still had defined
> "arg_params" (those params which went after the command in fixed
> order without option -- dashes) we always errored out with "not
> enough arguments". But, there are situations where the remaining
> arg_params are all marked as optional in the schema, so we do not
> need to error out in that case.
> 
> Signed-off-by: Thomas Lamprecht <t.lamprecht at proxmox.com>
> ---
> 
> A prime (future) use case is "pvesm prune-backups". Currently the
> usage is:
>> pvesm prune-backups storeid --prune-backups keep-last=1,keep-...
> 
> Because the "prune-backups" keep retention property is optional as it
> can fallback to the one defined in the storage configuration.
> With this patch we can make it an argument and allow the following
> two usages:
> 
> 1. As above, but avoiding the extra ugly --prune-backups
>> pvesm prune-backups storeid keep-last=1,keep-...
> 
> 2. Fallback to storage config:
>> pvesm prune-backups storeid
> 
>  src/PVE/JSONSchema.pm | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
>


while Dietmars proposal to move the example above to another format,
more similar to the one from proxmox-backup, is better; this is still
nice to have, so: applied