We need a few changes to be able to rerun the full "retagging" i.e. replacing the existing b-tagging with new tagging in the same container. It wasn't actually many changes but I tried to clean up a bit too.
Might be useful or interesting to @vhomsak, @bmoser, @fdibello: with this change our retagging works fine with flip taggers.
@bdong, @ligang, this does not target 24.0 because: