tree.get does not include deleted branches

spike/review/reinvent/ezmded/server/tree.go

@@ -103,7 +103,7 @@ func (tree Tree) getRoot(withContent bool) (Branch, error) {
 		} else if entry.IsDir() {
 			if branch, err := tree.WithRoot(path.Join(tree.root, entry.Name())).getRoot(withContent); err != nil {
 				return Branch{}, err
-			} else {
+			} else if !branch.Leaf.Deleted && !branch.IsZero() {
 				m.Branches[entry.Name()] = branch
 			}
 		}
@@ -145,6 +145,21 @@ func (tree Tree) Put(id []string, input Leaf) error {
 }
 
 func (tree Tree) Del(id []string) error {
+	got, err := tree.Get(id)
+	if os.IsNotExist(err) {
+		return nil
+	}
+	if err != nil {
+		return err
+	}
+	if got.Deleted {
+		return nil
+	}
+	got.Deleted = true
+	return tree.Put(id, got)
+}
+
+func (tree Tree) HardDel(id []string) error {
 	os.RemoveAll(tree.toDir(id))
 	tree.cachedRoot = Branch{}
 	return nil