This file contains the describing the manifest repo. The repo contains manifests for one ot more targets located in separate directories. Each of these contain: manifest_template.xml : A template for default.xml. It contains a list of the repos together with versions. The versions can be specified using branches, tags, or hashes. default.xml : This a time-invariant snapshot of manifest_template.xml. The difference is that all versions are specified as hashes. Auto-generated using manifest_template and data from the remotes.