Support for hidden or dependent features....
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Key: KARAF-1169
URL: https://issues.apache.org/jira/browse/KARAF-1169
Project: Karaf
Issue Type: Improvement
Components: karaf-features
Reporter: Daniel Kulp
Some applications we have have blocks of common dependencies that are shared by
multiple features. We currently define them in a new feature, but that's not
really what they are as it's not expected to be installed individually. Right
now, they appear in things like the features:list which can confuse users. We
can just put all the bundles in that feature into all the other features that
need it, but that duplicates a lot of stuff and can create additional
maintenance work.
There are a couple options that could be pursued:
1) Could just add a flag like dependency="true" or abstract="true" or
hidden="true" to <feature> to mark the feature as something that shouldn't
really be exposed to the user.
2) Create a new tag to express common blocks of bundles that can be depended on
from a feature.
For example, CXF has a "cxf-saaj-impl" feature that installs the bundles needed
for SAAJ to work. That is then required by ws-security and jaxws and a few
others. It's not really something we would expect users to
"features:install", but we also don't want to duplicate that setup in a bunch
of other places.
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