From cd5e82d0d3705979446d45384170b45eba2cc68e Mon Sep 17 00:00:00 2001
From: Martin von Zweigbergk <martinvonz@google.com>
Date: Wed, 22 May 2024 07:36:40 -0700
Subject: [PATCH] tree: make `sub_tree_recursive()` public

These functions (in `Tree` and `MergedTree`) are safe to use. We have
a duplicate of these functions at Google, which would be nice to
avoid.
---
 lib/src/merged_tree.rs | 3 ++-
 lib/src/tree.rs        | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/src/merged_tree.rs b/lib/src/merged_tree.rs
index b1b4fe3d5..c8ab7c4ba 100644
--- a/lib/src/merged_tree.rs
+++ b/lib/src/merged_tree.rs
@@ -268,7 +268,8 @@ impl MergedTree {
         }
     }
 
-    fn sub_tree_recursive(
+    /// Look up the tree at the path indicated by `components`.
+    pub fn sub_tree_recursive(
         &self,
         components: RepoPathComponentsIter,
     ) -> BackendResult<Option<MergedTree>> {
diff --git a/lib/src/tree.rs b/lib/src/tree.rs
index 039a28d84..223aee0a7 100644
--- a/lib/src/tree.rs
+++ b/lib/src/tree.rs
@@ -154,7 +154,8 @@ impl Tree {
         self.store.get_tree(subdir, id).unwrap()
     }
 
-    fn sub_tree_recursive(
+    /// Look up the tree at the path indicated by `components`.
+    pub fn sub_tree_recursive(
         &self,
         components: RepoPathComponentsIter,
     ) -> BackendResult<Option<Tree>> {