Strategies for each metadata file merge:
- in base/tip same patch's tip dep -> base base -> tip
+ in base/tip same patch & branch dep -> base base -> tip
msg T textual merge rm from src not in src
- deps T list merge rm from src not in src
+ deps B list merge rm from src rm from src
deleted T std existence merge rm from src not in src
patch- BT must be same rm from src must be same
- topgit- T must be same rm from src not in src
+ topgit- B std exist/text merge rm from src rm from src
[^+]*- ?? textual merge rm from src rm from src
+included BT list merge rm from non-tb src list merge
+*- ?? textual merge rm from non-tb src textual merge