Reference._from_string will now create the appropriate type, not just the type of the actual class. This could result in a symbolic reference returned even though you technically requested a reference - this issue must still be addressed.

Author: Byron

lib/git/refs.py

@@ -208,7 +208,7 @@ def _from_string(cls, repo, line):
 		# our path on demand - due to perstent commands it is fast.
 		# This reduces the risk that the object does not match 
 		# the changed ref anymore in case it changes in the meanwhile
-		return cls(repo, full_path)
+		return cls.from_path(repo, full_path)
 
 		# obj = get_object_type_by_name(type_name)(repo, hexsha)
 		# obj.size = object_size