1 files changed, 25 insertions, 0 deletions
diff --git a/revision.c b/revision.c
index 13e0519c02..60421f3a10 100644
--- a/revision.c
+++ b/revision.c
@@ -99,6 +99,31 @@ void mark_tree_uninteresting(struct repository *r, struct tree *tree)
 	mark_tree_contents_uninteresting(r, tree);
 }
 
+void mark_trees_uninteresting_sparse(struct repository *r,
+				     struct oidset *trees)
+{
+	struct object_id *oid;
+	struct oidset_iter iter;
+
+	oidset_iter_init(trees, &iter);
+	while ((oid = oidset_iter_next(&iter))) {
+		struct tree *tree = lookup_tree(r, oid);
+
+		if (!tree)
+			continue;
+
+		if (tree->object.flags & UNINTERESTING) {
+			/*
+			 * Remove the flag so the next call
+			 * is not a no-op. The flag is added
+			 * in mark_tree_unintersting().
+			 */
+			tree->object.flags ^= UNINTERESTING;
+			mark_tree_uninteresting(r, tree);
+		}
+	}
+}
+
 struct commit_stack {
 	struct commit **items;
 	size_t nr, alloc;