X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-tree.c;h=f55a35a9d5f9ae4e3f7d3fd778a953cc9cc533ad;hb=20b1d700c94c8b5b2b8b6f1b4982858d03cd9453;hp=71483233481eca8b0a88bfa02beb5c1bc2396bb7;hpb=deb989b57d01cc1ed10ec245245a0e6214a16f87;p=git.git

diff --git a/diff-tree.c b/diff-tree.c
index 71483233..f55a35a9 100644
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -117,8 +117,12 @@ static int diff_tree_commit(struct commit *commit)
 			return 0;
 		else if (combine_merges) {
 			header = generate_header(sha1, sha1, commit);
-			return diff_tree_combined_merge(sha1, header,
-							dense_combined_merges);
+			header = diff_tree_combined_merge(sha1, header,
+							dense_combined_merges,
+							&diff_options);
+			if (!header && verbose_header)
+				header_prefix = "\ndiff-tree ";
+			return 0;
 		}
 	}
 
@@ -285,10 +289,12 @@ int main(int argc, const char **argv)
 		usage(diff_tree_usage);
 	}
 
-	if (combine_merges) {
-		diff_options.output_format = DIFF_FORMAT_PATCH;
+	if (combine_merges)
 		ignore_merges = 0;
-	}
+
+	/* We can only do dense combined merges with diff output */
+	if (dense_combined_merges)
+		diff_options.output_format = DIFF_FORMAT_PATCH;
 
 	if (diff_options.output_format == DIFF_FORMAT_PATCH)
 		diff_options.recursive = 1;