average-vr-56795
06/19/2018, 10:33 PMrel_root - the path, relative to the build_root, to the containing directory. Typically the spec_path.
* files - a list of file paths, relative to rel_root.
* snapshot - a Snapshot, which includes in it a list of file paths.
Should the list of file paths in the snapshot be the same as the files, or the same as [os.path.join(rel_root, file) for file in files]?