Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3800
I remember initially this did not work, because the variables where not
properly resolved.
It probably works now, because we force the shade plugin to be evaluated in
each project (via the `force-shading` dependency). The shade plugin has the
nice side effect of resolving variables.
The thing we should be aware of here is that by going with this change, we
must keep the `force-shading` hack. In some sense this PR brings the
"force-shading" approach to conclusion.
I remember that there was an alternate suggestion initially to not do the
force-shading and rather have a more elaborate `change-scala-version.sh` script
instead.
Just bringing this up so we are aware of the context/implications. I am
okay with either approach.
@rmetzger What is you take here?
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