The required property for the child groups of a group should be more consistent
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Key: CLI-159
URL: https://issues.apache.org/jira/browse/CLI-159
Project: Commons CLI
Issue Type: Bug
Components: CLI-2.x
Affects Versions: 2.0
Reporter: Oliver Heger
Fix For: 2.0
Currently restrictions defined for a child group can also affect the parent
group. For instance, if for the child group a minimum constraint greater than 0
is set, the parent group will implicitly become required, even if its minimum
is set to 0.
This is counter-intuitive. It would be more consistent if the minimum and
maximum constraints of the parent group were independent of the settings in the
child groups. Then it would be possible to model constellations like an
optional parent group with a child group that has required elements (i.e. the
child group is optional, but if it is present, all required elements must be
provided).
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