tree-diff: convert diff_root_tree_sha1 to struct object_id

diff --git a/tree-diff.c b/tree-diff.c
index 7ae1f10b2ee43f82988eef6dbededaad276bfb94..f9bbaf3c472bc45289a2b2050e132a22f43b4d5e 100644 (file)
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -711,7 +711,7 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
        return retval;
 }
 
-int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt)
+int diff_root_tree_oid(const struct object_id *new_oid, const char *base, struct diff_options *opt)
 {
-       return diff_tree_sha1(NULL, new, base, opt);
+       return diff_tree_sha1(NULL, new_oid->hash, base, opt);
 }