diff --git a/commit.c b/commit.c
index fbc092808c..aea2ca1f8b 100644
--- a/commit.c
+++ b/commit.c
@@ -296,6 +296,16 @@ void free_commit_buffer(struct commit *commit)
 	}
 }
 
+struct tree *get_commit_tree(const struct commit *commit)
+{
+	return commit->maybe_tree;
+}
+
+struct object_id *get_commit_tree_oid(const struct commit *commit)
+{
+	return &get_commit_tree(commit)->object.oid;
+}
+
 const void *detach_commit_buffer(struct commit *commit, unsigned long *sizep)
 {
 	struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
diff --git a/commit.h b/commit.h
index c4d6e6e064..dc4bf97d9f 100644
--- a/commit.h
+++ b/commit.h
@@ -102,6 +102,9 @@ void unuse_commit_buffer(const struct commit *, const void *buffer);
  */
 void free_commit_buffer(struct commit *);
 
+struct tree *get_commit_tree(const struct commit *);
+struct object_id *get_commit_tree_oid(const struct commit *);
+
 /*
  * Disassociate any cached object buffer from the commit, but do not free it.
  * The buffer (or NULL, if none) is returned.