--- a/mercurial/bundle2.py Thu May 22 11:14:02 2014 -0700
+++ b/mercurial/bundle2.py Fri May 23 16:20:30 2014 -0700
@@ -408,7 +408,14 @@
self._parts.append(part)
def newpart(self, typeid, *args, **kwargs):
- """create a new part and add it to the containers"""
+ """create a new part and add it to the containers
+
+ As the part is directly added to the containers. For now, this means
+ that any failure to properly initialize the part after calling
+ ``newpart`` should result in a failure of the whole bundling process.
+
+ You can still fall back to manually create and add if you need better
+ control."""
part = bundlepart(typeid, *args, **kwargs)
self.addpart(part)
return part