Create a tree object from the current index
gitwrite -tree [ --missing -ok] [ --prefix=<prefix>/]
--missing -ok Normally gitwrite -tree ensures that the objects referenced by the directory exist in the object database . This option disables this check .
--prefix=<prefix>/ Writes a tree object that represents a subdirectory <prefix> . This can be used to write the tree object for a subproject that is in the named subdirectory .