+static void diff_tree_tweak_rev(struct rev_info *rev, struct setup_revision_opt *opt)
+{
+ if (!rev->diffopt.output_format) {
+ if (rev->dense_combined_merges)
+ rev->diffopt.output_format = DIFF_FORMAT_PATCH;
+ else
+ rev->diffopt.output_format = DIFF_FORMAT_RAW;
+ }
+}
+