David Bosschaert created SLING-8076:
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Summary: Merge Handlers should also be called on the first
extension being merged in
Key: SLING-8076
URL: https://issues.apache.org/jira/browse/SLING-8076
Project: Sling
Issue Type: Bug
Components: Feature Model
Affects Versions: Feature Model 0.2.0
Reporter: David Bosschaert
Fix For: Feature Model 0.2.2
When feature model extensions are merged via
{{BuilderUtil.mergeExtensions(Feature, Feature,
ArtifactMerge, BuilderContext)}} any merge extensions are only invoked when the
second extension instance is being merged. The first extension is simply copied
into the target.
However the Merge Handler may also need to perform some action on the first
copy, for example record what feature the extension came from. This is
currently not possible.
Proposal is to also call the Merge Handlers for the first merge (which is
currently just a copy), so that they can also act in these cases.
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