2 files changed, 27 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index b08d28a578..6b54959610 100644
--- a/diff.c
+++ b/diff.c
@@ -2716,7 +2716,7 @@ static void diff_summary(struct diff_filepair *p)
 		break;
 	default:
 		if (p->score) {
-			puts(" rewrite ");
+			fputs(" rewrite ", stdout);
 			write_name_quoted(p->two->path, stdout, ' ');
 			printf("(%d%%)\n", similarity_index(p));
 		}
diff --git a/t/t4022-diff-rewrite.sh b/t/t4022-diff-rewrite.sh
new file mode 100755
index 0000000000..6de4acbd44
--- /dev/null
+++ b/t/t4022-diff-rewrite.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+test_description='rewrite diff'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	cat ../../COPYING >test &&
+	git add test &&
+	tr 'a-zA-Z' 'n-za-mN-ZA-M' <../../COPYING >test
+
+'
+
+test_expect_success 'detect rewrite' '
+
+	actual=$(git diff-files -B --summary test) &&
+	expr "$actual" : " rewrite test ([0-9]*%)$" || {
+		echo "Eh? <<$actual>>"
+		false
+	}
+
+'
+
+test_done
+