revision: implement sparse algorithm

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 5950890d30c24a3c939e60154df7ae1bff0a50d5..909c743c134c5e18e0a80db3eae2dfb6e8210e6a 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -1730,6 +1730,7 @@ test_expect_success 'interdiff: cover-letter' '
        EOF
        git format-patch --cover-letter --interdiff=boop~2 -1 boop &&
        test_i18ngrep "^Interdiff:$" 0000-cover-letter.patch &&
+       test_i18ngrep ! "^Interdiff:$" 0001-fleep.patch &&
        sed "1,/^@@ /d; /^-- $/q" <0000-cover-letter.patch >actual &&
        test_cmp expect actual
 '
@@ -1739,4 +1740,15 @@ test_expect_success 'interdiff: reroll-count' '
        test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
 '
 
+test_expect_success 'interdiff: solo-patch' '
+       cat >expect <<-\EOF &&
+         +fleep
+
+       EOF
+       git format-patch --interdiff=boop~2 -1 boop &&
+       test_i18ngrep "^Interdiff:$" 0001-fleep.patch &&
+       sed "1,/^  @@ /d; /^$/q" <0001-fleep.patch >actual &&
+       test_cmp expect actual
+'
+
 test_done