Function keeper 

pub(crate) fn keeper(
    part: &str,
    rule: Rule,
    active: i64,
    take: bool,
) -> (Keeper, bool)

Who keeps a part of the work among your computers (sioul_sync::lease), this computer’s claim renewed; active is when you were last at it, take takes the part here on purpose. Sharing off: this computer alone. The second value: the folder could not be written, so the others may not know.