-Blobs do not refer to other objects so they are neither new or old.
-
-
-Name of newly created object
-
-When git creates a new object, it reports the new object name using
-the naming in the object.
-
-For blobs and empty trees, the caller should normally specify. The
-default is the naming used for HEAD.
-
-
-Updating refs
-
-If a ref is updated with a new object, the name from its creation is
-used (see above).
-
-If a ref is updated to a specified object, the naming used in the ref
-is the newer of the specified name, or the naming in the object (if
-any).
-
-
-
-
-
-), or with a specified object name.
-
-
-
-(If there are different equally new names, one of the newest names is
-chosen according to some stable rule.)
-
-
-
-new
-
-commit. (This may mean converting the tree in hand, since trees are
-supposed to be homgeonous.)
-
-