'!' marks that it has missing dependencies (even recursively),
'B' marks that it is out-of-date wrt. its base).
+ This can take long time to accurately determine all the relevant
+ information about each branch; you can pass '-t' to get just
+ terse list of topic branch names quickly.
+
TODO: Speed up by an order of magnitude
TODO: Graph view
and prefixed by t/ by default; use '-p PREFIX' to specify
an alternative prefix (even an empty one).
+ Alternatively, you can use the '-s NAME' parameter to specify
+ the name of target branch; the command will then take one more
+ argument describing a single commit to import.
+
tg update
~~~~~~~~~
Update the current topic branch wrt. changes in the branches