pub fn insert_subtree(subtrees: &mut Vec<PathBuf>, path: PathBuf)Expand description
Insert path into a set of “subtree” grants, keeping the set minimal.
A subtree grant covers a path and all of its descendants. Insertion is a
no-op when path is already covered by an existing (equal-or-broader)
entry; otherwise path is added and any now-subsumed descendant entries
are pruned. Containment is purely lexical (component-wise starts_with),
so callers should normalize paths (e.g. via normalize_lexically) before
inserting, otherwise .. components can defeat the containment checks.