diff-lib: convert do_diff_cache to struct object_id

diff --git a/builtin/am.c b/builtin/am.c
index 642d7047d9a02150992a3eb5d551543ddca2a77b..200d9dbed4644a87b2ba5ffc1d77585a4f0cd157 100644 (file)
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1145,7 +1145,7 @@ static int index_has_changes(struct strbuf *sb)
                DIFF_OPT_SET(&opt, EXIT_WITH_STATUS);
                if (!sb)
                        DIFF_OPT_SET(&opt, QUICK);
-               do_diff_cache(head.hash, &opt);
+               do_diff_cache(&head, &opt);
                diffcore_std(&opt);
                for (i = 0; sb && i < diff_queued_diff.nr; i++) {
                        if (i)