interpret-trailers: add an option to show only the trailers

diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index 6499cdf6ff06b6da3185107f76902cc88767c15d..e4441957e2b406c16121578f6d1344488509cafe 100755 (executable)
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -1392,4 +1392,13 @@ test_expect_success 'log --source paints tag names' '
        test_cmp expect actual
 '
 
+test_expect_success 'log --source paints symmetric ranges' '
+       cat >expect <<-\EOF &&
+       09e12a9 source-b three
+       8e393e1 source-a two
+       EOF
+       git log --oneline --source source-a...source-b >actual &&
+       test_cmp expect actual
+'
+
 test_done