format-patch: extend --range-diff to accept revision range

diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
index dd854b6ebc34623afa61486b8993bd31a0a8c070..3d7a2d8a4d8191f93a70b2e3d4878537cd2c5564 100755 (executable)
--- a/t/t3206-range-diff.sh
+++ b/t/t3206-range-diff.sh
@@ -142,7 +142,7 @@ test_expect_success 'changed message' '
        test_cmp expected actual
 '
 
-for prev in topic
+for prev in topic master..topic
 do
        test_expect_success "format-patch --range-diff=$prev" '
                git format-patch --stdout --cover-letter --range-diff=$prev \