I saw this thread and thought I create a thread for the Git script column set I did.
Right now, just the status column is kind of useful. But maybe it is more useful than others, since it tries to be a smarter one (detecting empty folders, untracked and ignored items, move/rename-detection with source/dest paths).
Maybe you script folks like to play around with it and have some more ideas on how to enhance/debug it.
Glueing the branch thing in there, might be worth a try e.g.