def dictFromManifest(lines):
    """
    Converts a manifest file, where each line is
    <hash>[space]<filepath>
    into a dict of {path:hash}.
    First line of file is a datetime string, which we skip.
    """
    if len(lines) < 10:
        return {}
    ret = {}
    for line in lines[1:]:
        hash, _, path = line.strip().partition(' ')
        ret[path] = hash
    return ret
