rev-list: disable object/refname ambiguity check with --stdin

diff --git a/log-tree.c b/log-tree.c
index a49d8e895d3ad24f00e8504ec3eccfbddead6b4c..8534d91826f3cf05f810a28728ee8bd51649d819 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -738,7 +738,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
        sha1 = commit->tree->object.sha1;
 
        /* Root commit? */
-       parents = commit->parents;
+       parents = get_saved_parents(opt, commit);
        if (!parents) {
                if (opt->show_root_diff) {
                        diff_root_tree_sha1(sha1, "", &opt->diffopt);