format-patch: teach --interdiff to respect -v/--reroll-count

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 57b46322aadbf7576acec417c5ae06028c8d9899..5950890d30c24a3c939e60154df7ae1bff0a50d5 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -1734,4 +1734,9 @@ test_expect_success 'interdiff: cover-letter' '
        test_cmp expect actual
 '
 
+test_expect_success 'interdiff: reroll-count' '
+       git format-patch --cover-letter --interdiff=boop~2 -v2 -1 boop &&
+       test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
+'
+
 test_done