We found this doesn't work since looking up the list of Refs to be shown in the
history view implemented in PlotWalk.getTags(AnyObjectId) fails. We found that
the failing hashmap lookup ends up calling RevObject.equals() which does a
pointer comparison obviously failing to match the SWTCommit passed into
PlotWalk.getTags(AnyObjectId) with the keys of the hashmap returned by
Any hints how to fix this ? We are lost in polymorphia ...